./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/list-ext-properties/test-0232_1-1.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 b36390e4ace21fb538f0c1df6f562bcf2825b5901fb45d9987e6242615034592 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 18:32:45,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 18:32:45,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 18:32:45,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 18:32:45,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 18:32:45,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 18:32:45,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 18:32:45,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 18:32:45,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 18:32:45,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 18:32:45,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 18:32:45,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 18:32:45,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 18:32:45,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 18:32:45,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 18:32:45,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 18:32:45,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 18:32:45,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 18:32:45,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 18:32:45,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 18:32:45,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 18:32:45,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 18:32:45,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 18:32:45,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 18:32:45,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 18:32:45,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 18:32:45,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 18:32:45,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 18:32:45,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 18:32:45,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 18:32:45,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 18:32:45,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 18:32:45,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 18:32:45,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 18:32:45,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 18:32:45,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 18:32:45,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 18:32:45,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 18:32:45,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 18:32:45,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 18:32:45,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 18:32:45,108 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-19 18:32:45,132 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 18:32:45,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 18:32:45,133 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 18:32:45,133 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 18:32:45,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 18:32:45,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 18:32:45,134 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 18:32:45,134 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-19 18:32:45,134 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-19 18:32:45,135 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-19 18:32:45,135 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-19 18:32:45,135 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-19 18:32:45,136 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-19 18:32:45,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 18:32:45,136 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-19 18:32:45,136 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 18:32:45,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 18:32:45,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-19 18:32:45,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 18:32:45,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-19 18:32:45,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-19 18:32:45,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-19 18:32:45,137 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-19 18:32:45,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 18:32:45,137 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-19 18:32:45,138 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 18:32:45,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-19 18:32:45,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 18:32:45,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 18:32:45,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 18:32:45,138 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 18:32:45,139 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 18:32:45,140 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-19 18:32:45,140 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b36390e4ace21fb538f0c1df6f562bcf2825b5901fb45d9987e6242615034592 [2021-12-19 18:32:45,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 18:32:45,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 18:32:45,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 18:32:45,338 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 18:32:45,339 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 18:32:45,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i [2021-12-19 18:32:45,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57d1edd75/3359e3a6cd354c9e9ac926da415e2df8/FLAGc8d60782c [2021-12-19 18:32:45,784 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 18:32:45,784 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/test-0232_1-1.i [2021-12-19 18:32:45,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57d1edd75/3359e3a6cd354c9e9ac926da415e2df8/FLAGc8d60782c [2021-12-19 18:32:45,812 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57d1edd75/3359e3a6cd354c9e9ac926da415e2df8 [2021-12-19 18:32:45,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 18:32:45,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 18:32:45,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 18:32:45,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 18:32:45,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 18:32:45,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 06:32:45" (1/1) ... [2021-12-19 18:32:45,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@727dd3a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:45, skipping insertion in model container [2021-12-19 18:32:45,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 06:32:45" (1/1) ... [2021-12-19 18:32:45,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 18:32:45,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 18:32:46,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 18:32:46,089 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 18:32:46,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 18:32:46,140 INFO L208 MainTranslator]: Completed translation [2021-12-19 18:32:46,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:46 WrapperNode [2021-12-19 18:32:46,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 18:32:46,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 18:32:46,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 18:32:46,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 18:32:46,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:46" (1/1) ... [2021-12-19 18:32:46,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:46" (1/1) ... [2021-12-19 18:32:46,190 INFO L137 Inliner]: procedures = 126, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2021-12-19 18:32:46,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 18:32:46,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 18:32:46,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 18:32:46,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 18:32:46,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:46" (1/1) ... [2021-12-19 18:32:46,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:46" (1/1) ... [2021-12-19 18:32:46,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:46" (1/1) ... [2021-12-19 18:32:46,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:46" (1/1) ... [2021-12-19 18:32:46,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:46" (1/1) ... [2021-12-19 18:32:46,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:46" (1/1) ... [2021-12-19 18:32:46,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:46" (1/1) ... [2021-12-19 18:32:46,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 18:32:46,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 18:32:46,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 18:32:46,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 18:32:46,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:46" (1/1) ... [2021-12-19 18:32:46,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:46,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:46,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:46,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-19 18:32:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-19 18:32:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-19 18:32:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-19 18:32:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-19 18:32:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-19 18:32:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-19 18:32:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-19 18:32:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-19 18:32:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 18:32:46,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 18:32:46,336 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 18:32:46,337 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 18:32:46,487 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 18:32:46,491 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 18:32:46,491 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-19 18:32:46,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 06:32:46 BoogieIcfgContainer [2021-12-19 18:32:46,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 18:32:46,493 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-19 18:32:46,493 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-19 18:32:46,498 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-19 18:32:46,499 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 18:32:46,499 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.12 06:32:45" (1/3) ... [2021-12-19 18:32:46,500 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fb093b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 06:32:46, skipping insertion in model container [2021-12-19 18:32:46,500 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 18:32:46,500 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:46" (2/3) ... [2021-12-19 18:32:46,500 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fb093b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 06:32:46, skipping insertion in model container [2021-12-19 18:32:46,500 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 18:32:46,500 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 06:32:46" (3/3) ... [2021-12-19 18:32:46,501 INFO L388 chiAutomizerObserver]: Analyzing ICFG test-0232_1-1.i [2021-12-19 18:32:46,559 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-19 18:32:46,560 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-19 18:32:46,560 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-19 18:32:46,560 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-19 18:32:46,560 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-19 18:32:46,560 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-19 18:32:46,560 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-19 18:32:46,560 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-19 18:32:46,572 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:32:46,587 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-19 18:32:46,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 18:32:46,588 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 18:32:46,592 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-19 18:32:46,593 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-19 18:32:46,593 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-19 18:32:46,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:32:46,595 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-19 18:32:46,595 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 18:32:46,595 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 18:32:46,595 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-19 18:32:46,595 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-19 18:32:46,600 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);~c~0 := 0; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post12#1, main_#t~nondet11#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~post18#1, main_~next~0#1.base, main_~next~0#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~post22#1, main_~next~1#1.base, main_~next~1#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, main_~length~0#1;call main_~#list~0#1.base, main_~#list~0#1.offset := #Ultimate.allocOnStack(4);call write~init~$Pointer$(0, 0, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_~length~0#1 := 0; 16#L543-3true [2021-12-19 18:32:46,602 INFO L793 eck$LassoCheckResult]: Loop: 16#L543-3true assume { :begin_inline_append } true;append_#in~plist#1.base, append_#in~plist#1.offset := main_~#list~0#1.base, main_~#list~0#1.offset;havoc append_#t~post3#1, append_#t~malloc4#1.base, append_#t~malloc4#1.offset, append_#t~mem5#1.base, append_#t~mem5#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_#t~ite10#1.base, append_#t~ite10#1.offset, append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem8#1.base, append_#t~mem8#1.offset, append_#t~malloc9#1.base, append_#t~malloc9#1.offset, append_~plist#1.base, append_~plist#1.offset, append_~item~0#1.base, append_~item~0#1.offset;append_~plist#1.base, append_~plist#1.offset := append_#in~plist#1.base, append_#in~plist#1.offset;append_#t~post3#1 := ~c~0;~c~0 := 1 + append_#t~post3#1;havoc append_#t~post3#1;call append_#t~malloc4#1.base, append_#t~malloc4#1.offset := #Ultimate.allocOnHeap(8);append_~item~0#1.base, append_~item~0#1.offset := append_#t~malloc4#1.base, append_#t~malloc4#1.offset;havoc append_#t~malloc4#1.base, append_#t~malloc4#1.offset;call append_#t~mem5#1.base, append_#t~mem5#1.offset := read~$Pointer$(append_~plist#1.base, append_~plist#1.offset, 4);call write~$Pointer$(append_#t~mem5#1.base, append_#t~mem5#1.offset, append_~item~0#1.base, append_~item~0#1.offset, 4);havoc append_#t~mem5#1.base, append_#t~mem5#1.offset;call append_#t~mem6#1.base, append_#t~mem6#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4); 5#L534true assume append_#t~mem6#1.base != 0 || append_#t~mem6#1.offset != 0;call append_#t~mem7#1.base, append_#t~mem7#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4);call append_#t~mem8#1.base, append_#t~mem8#1.offset := read~$Pointer$(append_#t~mem7#1.base, 4 + append_#t~mem7#1.offset, 4);append_#t~ite10#1.base, append_#t~ite10#1.offset := append_#t~mem8#1.base, append_#t~mem8#1.offset; 13#L534-2true call write~$Pointer$(append_#t~ite10#1.base, append_#t~ite10#1.offset, append_~item~0#1.base, 4 + append_~item~0#1.offset, 4);havoc append_#t~mem6#1.base, append_#t~mem6#1.offset;havoc append_#t~ite10#1.base, append_#t~ite10#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset;havoc append_#t~mem8#1.base, append_#t~mem8#1.offset;havoc append_#t~malloc9#1.base, append_#t~malloc9#1.offset;call write~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, append_~plist#1.base, append_~plist#1.offset, 4); 8#L529true assume { :end_inline_append } true;main_#t~post12#1 := main_~length~0#1;main_~length~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 11#L543-1true assume !!(0 != main_#t~nondet11#1 && ~c~0 < 20);havoc main_#t~nondet11#1; 16#L543-3true [2021-12-19 18:32:46,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:32:46,611 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-19 18:32:46,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 18:32:46,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632171285] [2021-12-19 18:32:46,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:32:46,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 18:32:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:46,704 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 18:32:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:46,750 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 18:32:46,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:32:46,752 INFO L85 PathProgramCache]: Analyzing trace with hash 34451375, now seen corresponding path program 1 times [2021-12-19 18:32:46,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 18:32:46,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583105519] [2021-12-19 18:32:46,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:32:46,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 18:32:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:46,824 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 18:32:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:46,858 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 18:32:46,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:32:46,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1805890861, now seen corresponding path program 1 times [2021-12-19 18:32:46,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 18:32:46,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389850720] [2021-12-19 18:32:46,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:32:46,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 18:32:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 18:32:46,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 18:32:46,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 18:32:46,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389850720] [2021-12-19 18:32:46,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389850720] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 18:32:46,972 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 18:32:46,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-19 18:32:46,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434636748] [2021-12-19 18:32:46,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 18:32:47,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 18:32:47,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-19 18:32:47,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-19 18:32:47,908 INFO L87 Difference]: Start difference. First operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:32:47,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 18:32:47,941 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2021-12-19 18:32:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-19 18:32:47,947 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2021-12-19 18:32:47,947 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-19 18:32:47,950 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 15 states and 19 transitions. [2021-12-19 18:32:47,951 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-12-19 18:32:47,951 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-19 18:32:47,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2021-12-19 18:32:47,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 18:32:47,951 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-12-19 18:32:47,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2021-12-19 18:32:47,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2021-12-19 18:32:47,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:32:47,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2021-12-19 18:32:47,966 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-12-19 18:32:47,966 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-12-19 18:32:47,967 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-19 18:32:47,967 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2021-12-19 18:32:47,967 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-19 18:32:47,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 18:32:47,967 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 18:32:47,968 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-19 18:32:47,968 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-19 18:32:47,968 INFO L791 eck$LassoCheckResult]: Stem: 50#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);~c~0 := 0; 51#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post12#1, main_#t~nondet11#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~post18#1, main_~next~0#1.base, main_~next~0#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~post22#1, main_~next~1#1.base, main_~next~1#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, main_~length~0#1;call main_~#list~0#1.base, main_~#list~0#1.offset := #Ultimate.allocOnStack(4);call write~init~$Pointer$(0, 0, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_~length~0#1 := 0; 57#L543-3 assume { :begin_inline_append } true;append_#in~plist#1.base, append_#in~plist#1.offset := main_~#list~0#1.base, main_~#list~0#1.offset;havoc append_#t~post3#1, append_#t~malloc4#1.base, append_#t~malloc4#1.offset, append_#t~mem5#1.base, append_#t~mem5#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_#t~ite10#1.base, append_#t~ite10#1.offset, append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem8#1.base, append_#t~mem8#1.offset, append_#t~malloc9#1.base, append_#t~malloc9#1.offset, append_~plist#1.base, append_~plist#1.offset, append_~item~0#1.base, append_~item~0#1.offset;append_~plist#1.base, append_~plist#1.offset := append_#in~plist#1.base, append_#in~plist#1.offset;append_#t~post3#1 := ~c~0;~c~0 := 1 + append_#t~post3#1;havoc append_#t~post3#1;call append_#t~malloc4#1.base, append_#t~malloc4#1.offset := #Ultimate.allocOnHeap(8);append_~item~0#1.base, append_~item~0#1.offset := append_#t~malloc4#1.base, append_#t~malloc4#1.offset;havoc append_#t~malloc4#1.base, append_#t~malloc4#1.offset;call append_#t~mem5#1.base, append_#t~mem5#1.offset := read~$Pointer$(append_~plist#1.base, append_~plist#1.offset, 4);call write~$Pointer$(append_#t~mem5#1.base, append_#t~mem5#1.offset, append_~item~0#1.base, append_~item~0#1.offset, 4);havoc append_#t~mem5#1.base, append_#t~mem5#1.offset;call append_#t~mem6#1.base, append_#t~mem6#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4); 52#L534 assume !(append_#t~mem6#1.base != 0 || append_#t~mem6#1.offset != 0);call append_#t~malloc9#1.base, append_#t~malloc9#1.offset := #Ultimate.allocOnHeap(8);append_#t~ite10#1.base, append_#t~ite10#1.offset := append_#t~malloc9#1.base, append_#t~malloc9#1.offset; 48#L534-2 [2021-12-19 18:32:47,968 INFO L793 eck$LassoCheckResult]: Loop: 48#L534-2 call write~$Pointer$(append_#t~ite10#1.base, append_#t~ite10#1.offset, append_~item~0#1.base, 4 + append_~item~0#1.offset, 4);havoc append_#t~mem6#1.base, append_#t~mem6#1.offset;havoc append_#t~ite10#1.base, append_#t~ite10#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset;havoc append_#t~mem8#1.base, append_#t~mem8#1.offset;havoc append_#t~malloc9#1.base, append_#t~malloc9#1.offset;call write~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, append_~plist#1.base, append_~plist#1.offset, 4); 49#L529 assume { :end_inline_append } true;main_#t~post12#1 := main_~length~0#1;main_~length~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 55#L543-1 assume !!(0 != main_#t~nondet11#1 && ~c~0 < 20);havoc main_#t~nondet11#1; 59#L543-3 assume { :begin_inline_append } true;append_#in~plist#1.base, append_#in~plist#1.offset := main_~#list~0#1.base, main_~#list~0#1.offset;havoc append_#t~post3#1, append_#t~malloc4#1.base, append_#t~malloc4#1.offset, append_#t~mem5#1.base, append_#t~mem5#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_#t~ite10#1.base, append_#t~ite10#1.offset, append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem8#1.base, append_#t~mem8#1.offset, append_#t~malloc9#1.base, append_#t~malloc9#1.offset, append_~plist#1.base, append_~plist#1.offset, append_~item~0#1.base, append_~item~0#1.offset;append_~plist#1.base, append_~plist#1.offset := append_#in~plist#1.base, append_#in~plist#1.offset;append_#t~post3#1 := ~c~0;~c~0 := 1 + append_#t~post3#1;havoc append_#t~post3#1;call append_#t~malloc4#1.base, append_#t~malloc4#1.offset := #Ultimate.allocOnHeap(8);append_~item~0#1.base, append_~item~0#1.offset := append_#t~malloc4#1.base, append_#t~malloc4#1.offset;havoc append_#t~malloc4#1.base, append_#t~malloc4#1.offset;call append_#t~mem5#1.base, append_#t~mem5#1.offset := read~$Pointer$(append_~plist#1.base, append_~plist#1.offset, 4);call write~$Pointer$(append_#t~mem5#1.base, append_#t~mem5#1.offset, append_~item~0#1.base, append_~item~0#1.offset, 4);havoc append_#t~mem5#1.base, append_#t~mem5#1.offset;call append_#t~mem6#1.base, append_#t~mem6#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4); 60#L534 assume append_#t~mem6#1.base != 0 || append_#t~mem6#1.offset != 0;call append_#t~mem7#1.base, append_#t~mem7#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4);call append_#t~mem8#1.base, append_#t~mem8#1.offset := read~$Pointer$(append_#t~mem7#1.base, 4 + append_#t~mem7#1.offset, 4);append_#t~ite10#1.base, append_#t~ite10#1.offset := append_#t~mem8#1.base, append_#t~mem8#1.offset; 48#L534-2 [2021-12-19 18:32:47,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:32:47,969 INFO L85 PathProgramCache]: Analyzing trace with hash 925640, now seen corresponding path program 1 times [2021-12-19 18:32:47,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 18:32:47,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640545633] [2021-12-19 18:32:47,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:32:47,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 18:32:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:47,994 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 18:32:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:48,005 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 18:32:48,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:32:48,006 INFO L85 PathProgramCache]: Analyzing trace with hash 41102165, now seen corresponding path program 2 times [2021-12-19 18:32:48,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 18:32:48,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607949833] [2021-12-19 18:32:48,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:32:48,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 18:32:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:48,023 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 18:32:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:48,048 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 18:32:48,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:32:48,049 INFO L85 PathProgramCache]: Analyzing trace with hash 351588334, now seen corresponding path program 1 times [2021-12-19 18:32:48,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 18:32:48,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343376414] [2021-12-19 18:32:48,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:32:48,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 18:32:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:48,089 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 18:32:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:48,127 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 18:32:49,982 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 18:32:49,982 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 18:32:49,982 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 18:32:49,982 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 18:32:49,983 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 18:32:49,983 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:49,983 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 18:32:49,983 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 18:32:49,983 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-0232_1-1.i_Iteration2_Lasso [2021-12-19 18:32:49,983 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 18:32:49,983 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 18:32:50,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:50,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:50,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:50,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:50,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:50,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:50,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:50,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:50,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:50,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:50,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:50,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:50,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:50,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:50,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:50,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:50,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:50,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:50,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:50,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:50,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:51,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:51,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:51,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:51,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:51,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:51,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:51,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:51,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:51,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:51,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:51,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:51,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:51,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:51,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:51,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:51,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:51,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:32:51,920 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 18:32:51,924 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 18:32:51,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:51,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:51,926 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:51,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-19 18:32:51,932 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 [2021-12-19 18:32:51,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:51,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:32:51,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:51,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:51,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:51,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:32:51,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:32:51,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:51,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:51,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:51,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:51,962 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:51,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-19 18:32:51,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:51,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:51,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:51,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:51,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:51,973 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 18:32:51,973 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 18:32:51,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:52,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:52,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:52,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:52,003 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:52,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-19 18:32:52,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:52,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:52,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:32:52,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:52,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:52,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:52,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:32:52,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:32:52,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:52,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-19 18:32:52,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:52,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:52,035 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:52,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-19 18:32:52,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:52,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:52,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:32:52,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:52,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:52,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:52,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:32:52,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:32:52,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:52,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:52,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:52,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:52,066 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:52,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-19 18:32:52,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:52,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:52,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:32:52,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:52,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:52,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:52,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:32:52,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:32:52,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:52,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:52,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:52,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:52,097 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:52,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-19 18:32:52,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:52,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:52,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:52,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:52,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:52,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 18:32:52,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 18:32:52,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:52,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:52,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:52,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:52,147 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:52,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-19 18:32:52,150 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 [2021-12-19 18:32:52,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:52,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:32:52,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:52,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:52,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:52,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:32:52,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:32:52,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:52,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-19 18:32:52,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:52,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:52,194 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:52,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-19 18:32:52,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:52,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:52,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:32:52,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:52,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:52,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:52,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:32:52,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:32:52,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:52,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:52,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:52,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:52,233 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:52,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-19 18:32:52,235 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 [2021-12-19 18:32:52,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:52,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:32:52,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:52,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:52,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:52,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:32:52,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:32:52,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:52,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-19 18:32:52,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:52,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:52,259 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:52,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-19 18:32:52,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:52,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:52,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:52,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:52,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:52,270 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 18:32:52,270 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 18:32:52,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:52,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:52,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:52,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:52,297 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:52,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-19 18:32:52,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:52,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:52,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:32:52,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:52,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:52,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:52,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:32:52,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:32:52,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:52,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:52,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:52,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:52,327 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:52,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:52,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:52,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:52,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:52,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:52,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 18:32:52,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 18:32:52,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-19 18:32:52,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:52,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:52,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:52,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:52,376 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:52,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-19 18:32:52,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:52,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:52,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:52,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:52,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:52,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 18:32:52,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 18:32:52,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:52,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:52,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:52,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:52,407 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:52,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-19 18:32:52,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:52,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:52,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:52,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:52,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:52,418 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 18:32:52,418 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 18:32:52,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:52,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:52,436 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:52,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:52,437 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:52,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-19 18:32:52,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:52,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:52,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:52,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:52,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:52,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 18:32:52,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 18:32:52,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:52,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:52,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:52,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:52,464 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:52,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-19 18:32:52,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:52,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:52,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:52,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:52,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:52,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 18:32:52,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 18:32:52,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:52,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-19 18:32:52,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:52,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:52,493 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:52,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-19 18:32:52,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:52,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:52,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:32:52,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:52,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:52,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:52,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:32:52,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:32:52,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:52,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:52,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:52,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:52,519 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:52,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-19 18:32:52,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:52,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:52,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:52,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:52,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:52,529 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 18:32:52,529 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 18:32:52,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:52,557 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-19 18:32:52,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:52,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:52,558 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:52,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-19 18:32:52,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:52,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:52,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:52,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:52,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:52,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 18:32:52,569 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 18:32:52,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:52,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-19 18:32:52,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:52,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:52,590 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:52,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-19 18:32:52,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:52,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:52,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:52,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:52,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:52,604 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 18:32:52,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 18:32:52,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:52,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:52,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:52,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:52,632 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:52,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-19 18:32:52,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:52,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:52,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:32:52,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:52,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:52,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:52,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:32:52,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:32:52,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:52,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-19 18:32:52,683 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:52,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:52,683 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:52,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-19 18:32:52,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:52,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:52,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:52,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:52,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:52,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 18:32:52,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 18:32:52,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:52,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:52,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:52,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:52,713 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:52,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-19 18:32:52,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:52,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:52,721 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-12-19 18:32:52,721 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-19 18:32:52,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:52,820 INFO L401 nArgumentSynthesizer]: We have 72 Motzkin's Theorem applications. [2021-12-19 18:32:52,820 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-12-19 18:32:52,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:52,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:52,974 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:52,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:52,975 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:52,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-19 18:32:52,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:52,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:52,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:52,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:52,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:52,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 18:32:52,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 18:32:53,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:53,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:53,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:53,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:53,021 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:53,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-19 18:32:53,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:53,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:53,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:53,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:53,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:53,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 18:32:53,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 18:32:53,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:53,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:53,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:53,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:53,065 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:53,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-19 18:32:53,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:53,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:53,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:53,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:53,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:53,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 18:32:53,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 18:32:53,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:53,105 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 [2021-12-19 18:32:53,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:53,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:53,107 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:53,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-19 18:32:53,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:53,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:53,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:32:53,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:53,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:53,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:53,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:32:53,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:32:53,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:53,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:53,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:53,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:53,147 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:53,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-19 18:32:53,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:53,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:53,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:32:53,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:53,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:53,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:53,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:32:53,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:32:53,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:53,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:53,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:53,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:53,187 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:53,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-19 18:32:53,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:53,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:53,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:53,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:53,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:53,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 18:32:53,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 18:32:53,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:53,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:53,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:53,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:53,230 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:53,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-19 18:32:53,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:53,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:53,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:32:53,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:53,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:53,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:53,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:32:53,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:32:53,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:53,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:53,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:53,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:53,271 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:53,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-19 18:32:53,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:53,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:53,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:53,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:53,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:53,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 18:32:53,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 18:32:53,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:53,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-19 18:32:53,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:53,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:53,318 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:53,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-19 18:32:53,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:53,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:53,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:32:53,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:53,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:53,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:53,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:32:53,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:32:53,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:53,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:53,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:53,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:53,358 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:53,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-19 18:32:53,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:53,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:53,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:32:53,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:53,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:53,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:53,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:32:53,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:32:53,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:53,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:53,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:53,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:53,400 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:53,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-19 18:32:53,402 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 [2021-12-19 18:32:53,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:53,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:32:53,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:53,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:53,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:53,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:32:53,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:32:53,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:53,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:53,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:53,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:53,441 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:53,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-19 18:32:53,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:53,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:53,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:32:53,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:53,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:53,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:53,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:32:53,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:32:53,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:53,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:53,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:53,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:53,482 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:53,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:53,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:53,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:32:53,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:53,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:53,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:53,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:32:53,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:32:53,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-19 18:32:53,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:32:53,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:53,526 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:53,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:53,527 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:53,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-19 18:32:53,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:32:53,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:32:53,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:32:53,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:32:53,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:32:53,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 18:32:53,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 18:32:53,552 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-19 18:32:53,578 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-12-19 18:32:53,578 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-12-19 18:32:53,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:32:53,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:53,580 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:32:53,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-19 18:32:53,582 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-19 18:32:53,612 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-19 18:32:53,612 INFO L513 LassoAnalysis]: Proved termination. [2021-12-19 18:32:53,613 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~c~0) = -2*~c~0 + 39 Supporting invariants [] [2021-12-19 18:32:53,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:53,671 INFO L297 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2021-12-19 18:32:53,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:32:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 18:32:53,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 18:32:53,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 18:32:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 18:32:53,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-19 18:32:53,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 18:32:53,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 18:32:53,772 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 [2021-12-19 18:32:53,773 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:32:53,794 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 6. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 32 transitions. Complement of second has 6 states. [2021-12-19 18:32:53,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-19 18:32:53,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:32:53,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-12-19 18:32:53,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 4 letters. Loop has 5 letters. [2021-12-19 18:32:53,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 18:32:53,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 5 letters. [2021-12-19 18:32:53,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 18:32:53,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 4 letters. Loop has 10 letters. [2021-12-19 18:32:53,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 18:32:53,798 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 32 transitions. [2021-12-19 18:32:53,799 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-19 18:32:53,800 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 18 states and 24 transitions. [2021-12-19 18:32:53,800 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-12-19 18:32:53,800 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-12-19 18:32:53,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2021-12-19 18:32:53,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 18:32:53,800 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-12-19 18:32:53,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2021-12-19 18:32:53,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2021-12-19 18:32:53,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:32:53,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2021-12-19 18:32:53,802 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-12-19 18:32:53,802 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-12-19 18:32:53,802 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-19 18:32:53,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2021-12-19 18:32:53,802 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-19 18:32:53,802 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 18:32:53,802 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 18:32:53,803 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 18:32:53,803 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-19 18:32:53,803 INFO L791 eck$LassoCheckResult]: Stem: 187#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);~c~0 := 0; 188#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post12#1, main_#t~nondet11#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~post18#1, main_~next~0#1.base, main_~next~0#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~post22#1, main_~next~1#1.base, main_~next~1#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, main_~length~0#1;call main_~#list~0#1.base, main_~#list~0#1.offset := #Ultimate.allocOnStack(4);call write~init~$Pointer$(0, 0, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_~length~0#1 := 0; 197#L543-3 assume { :begin_inline_append } true;append_#in~plist#1.base, append_#in~plist#1.offset := main_~#list~0#1.base, main_~#list~0#1.offset;havoc append_#t~post3#1, append_#t~malloc4#1.base, append_#t~malloc4#1.offset, append_#t~mem5#1.base, append_#t~mem5#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_#t~ite10#1.base, append_#t~ite10#1.offset, append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem8#1.base, append_#t~mem8#1.offset, append_#t~malloc9#1.base, append_#t~malloc9#1.offset, append_~plist#1.base, append_~plist#1.offset, append_~item~0#1.base, append_~item~0#1.offset;append_~plist#1.base, append_~plist#1.offset := append_#in~plist#1.base, append_#in~plist#1.offset;append_#t~post3#1 := ~c~0;~c~0 := 1 + append_#t~post3#1;havoc append_#t~post3#1;call append_#t~malloc4#1.base, append_#t~malloc4#1.offset := #Ultimate.allocOnHeap(8);append_~item~0#1.base, append_~item~0#1.offset := append_#t~malloc4#1.base, append_#t~malloc4#1.offset;havoc append_#t~malloc4#1.base, append_#t~malloc4#1.offset;call append_#t~mem5#1.base, append_#t~mem5#1.offset := read~$Pointer$(append_~plist#1.base, append_~plist#1.offset, 4);call write~$Pointer$(append_#t~mem5#1.base, append_#t~mem5#1.offset, append_~item~0#1.base, append_~item~0#1.offset, 4);havoc append_#t~mem5#1.base, append_#t~mem5#1.offset;call append_#t~mem6#1.base, append_#t~mem6#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4); 189#L534 assume !(append_#t~mem6#1.base != 0 || append_#t~mem6#1.offset != 0);call append_#t~malloc9#1.base, append_#t~malloc9#1.offset := #Ultimate.allocOnHeap(8);append_#t~ite10#1.base, append_#t~ite10#1.offset := append_#t~malloc9#1.base, append_#t~malloc9#1.offset; 190#L534-2 call write~$Pointer$(append_#t~ite10#1.base, append_#t~ite10#1.offset, append_~item~0#1.base, 4 + append_~item~0#1.offset, 4);havoc append_#t~mem6#1.base, append_#t~mem6#1.offset;havoc append_#t~ite10#1.base, append_#t~ite10#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset;havoc append_#t~mem8#1.base, append_#t~mem8#1.offset;havoc append_#t~malloc9#1.base, append_#t~malloc9#1.offset;call write~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, append_~plist#1.base, append_~plist#1.offset, 4); 184#L529 assume { :end_inline_append } true;main_#t~post12#1 := main_~length~0#1;main_~length~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 194#L543-1 assume !(0 != main_#t~nondet11#1 && ~c~0 < 20);havoc main_#t~nondet11#1; 198#L543-4 assume !(main_~length~0#1 > 0); 196#L556-1 [2021-12-19 18:32:53,803 INFO L793 eck$LassoCheckResult]: Loop: 196#L556-1 assume !!(main_~length~0#1 > 0);call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_#t~mem19#1.base, main_#t~mem19#1.offset, 4);main_~next~1#1.base, main_~next~1#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call ULTIMATE.dealloc(main_#t~mem21#1.base, main_#t~mem21#1.offset);havoc main_#t~mem21#1.base, main_#t~mem21#1.offset;call write~$Pointer$(main_~next~1#1.base, main_~next~1#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_#t~post22#1 := main_~length~0#1;main_~length~0#1 := main_#t~post22#1 - 1;havoc main_#t~post22#1; 196#L556-1 [2021-12-19 18:32:53,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:32:53,804 INFO L85 PathProgramCache]: Analyzing trace with hash 149888859, now seen corresponding path program 1 times [2021-12-19 18:32:53,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 18:32:53,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902944211] [2021-12-19 18:32:53,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:32:53,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 18:32:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 18:32:53,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 18:32:53,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 18:32:53,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902944211] [2021-12-19 18:32:53,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902944211] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 18:32:53,844 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 18:32:53,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 18:32:53,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616644994] [2021-12-19 18:32:53,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 18:32:53,845 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 18:32:53,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:32:53,845 INFO L85 PathProgramCache]: Analyzing trace with hash 76, now seen corresponding path program 1 times [2021-12-19 18:32:53,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 18:32:53,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355668789] [2021-12-19 18:32:53,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:32:53,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 18:32:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:53,852 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 18:32:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:53,856 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 18:32:53,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 18:32:53,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-19 18:32:53,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-19 18:32:53,961 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:32:53,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 18:32:53,975 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2021-12-19 18:32:53,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-19 18:32:53,976 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2021-12-19 18:32:53,977 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-19 18:32:53,977 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 23 transitions. [2021-12-19 18:32:53,977 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-12-19 18:32:53,977 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-12-19 18:32:53,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 23 transitions. [2021-12-19 18:32:53,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 18:32:53,977 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2021-12-19 18:32:53,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 23 transitions. [2021-12-19 18:32:53,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2021-12-19 18:32:53,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:32:53,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2021-12-19 18:32:53,978 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-12-19 18:32:53,978 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-12-19 18:32:53,978 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-19 18:32:53,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2021-12-19 18:32:53,979 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-19 18:32:53,979 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 18:32:53,979 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 18:32:53,979 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 18:32:53,979 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-19 18:32:53,979 INFO L791 eck$LassoCheckResult]: Stem: 230#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);~c~0 := 0; 231#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post12#1, main_#t~nondet11#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~post18#1, main_~next~0#1.base, main_~next~0#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~post22#1, main_~next~1#1.base, main_~next~1#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, main_~length~0#1;call main_~#list~0#1.base, main_~#list~0#1.offset := #Ultimate.allocOnStack(4);call write~init~$Pointer$(0, 0, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_~length~0#1 := 0; 240#L543-3 assume { :begin_inline_append } true;append_#in~plist#1.base, append_#in~plist#1.offset := main_~#list~0#1.base, main_~#list~0#1.offset;havoc append_#t~post3#1, append_#t~malloc4#1.base, append_#t~malloc4#1.offset, append_#t~mem5#1.base, append_#t~mem5#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_#t~ite10#1.base, append_#t~ite10#1.offset, append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem8#1.base, append_#t~mem8#1.offset, append_#t~malloc9#1.base, append_#t~malloc9#1.offset, append_~plist#1.base, append_~plist#1.offset, append_~item~0#1.base, append_~item~0#1.offset;append_~plist#1.base, append_~plist#1.offset := append_#in~plist#1.base, append_#in~plist#1.offset;append_#t~post3#1 := ~c~0;~c~0 := 1 + append_#t~post3#1;havoc append_#t~post3#1;call append_#t~malloc4#1.base, append_#t~malloc4#1.offset := #Ultimate.allocOnHeap(8);append_~item~0#1.base, append_~item~0#1.offset := append_#t~malloc4#1.base, append_#t~malloc4#1.offset;havoc append_#t~malloc4#1.base, append_#t~malloc4#1.offset;call append_#t~mem5#1.base, append_#t~mem5#1.offset := read~$Pointer$(append_~plist#1.base, append_~plist#1.offset, 4);call write~$Pointer$(append_#t~mem5#1.base, append_#t~mem5#1.offset, append_~item~0#1.base, append_~item~0#1.offset, 4);havoc append_#t~mem5#1.base, append_#t~mem5#1.offset;call append_#t~mem6#1.base, append_#t~mem6#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4); 232#L534 assume !(append_#t~mem6#1.base != 0 || append_#t~mem6#1.offset != 0);call append_#t~malloc9#1.base, append_#t~malloc9#1.offset := #Ultimate.allocOnHeap(8);append_#t~ite10#1.base, append_#t~ite10#1.offset := append_#t~malloc9#1.base, append_#t~malloc9#1.offset; 233#L534-2 call write~$Pointer$(append_#t~ite10#1.base, append_#t~ite10#1.offset, append_~item~0#1.base, 4 + append_~item~0#1.offset, 4);havoc append_#t~mem6#1.base, append_#t~mem6#1.offset;havoc append_#t~ite10#1.base, append_#t~ite10#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset;havoc append_#t~mem8#1.base, append_#t~mem8#1.offset;havoc append_#t~malloc9#1.base, append_#t~malloc9#1.offset;call write~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, append_~plist#1.base, append_~plist#1.offset, 4); 227#L529 assume { :end_inline_append } true;main_#t~post12#1 := main_~length~0#1;main_~length~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 237#L543-1 assume !(0 != main_#t~nondet11#1 && ~c~0 < 20);havoc main_#t~nondet11#1; 241#L543-4 assume main_~length~0#1 > 0; 235#L548 assume !(main_~length~0#1 < 0); 236#L548-2 call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_#t~mem15#1.base, main_#t~mem15#1.offset, 4);main_~next~0#1.base, main_~next~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call ULTIMATE.dealloc(main_#t~mem17#1.base, main_#t~mem17#1.offset);havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;call write~$Pointer$(main_~next~0#1.base, main_~next~0#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_#t~post18#1 := main_~length~0#1;main_~length~0#1 := main_#t~post18#1 - 1;havoc main_#t~post18#1; 239#L556-1 [2021-12-19 18:32:53,979 INFO L793 eck$LassoCheckResult]: Loop: 239#L556-1 assume !!(main_~length~0#1 > 0);call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_#t~mem19#1.base, main_#t~mem19#1.offset, 4);main_~next~1#1.base, main_~next~1#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call ULTIMATE.dealloc(main_#t~mem21#1.base, main_#t~mem21#1.offset);havoc main_#t~mem21#1.base, main_#t~mem21#1.offset;call write~$Pointer$(main_~next~1#1.base, main_~next~1#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_#t~post22#1 := main_~length~0#1;main_~length~0#1 := main_#t~post22#1 - 1;havoc main_#t~post22#1; 239#L556-1 [2021-12-19 18:32:53,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:32:53,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1985702188, now seen corresponding path program 1 times [2021-12-19 18:32:53,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 18:32:53,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145803939] [2021-12-19 18:32:53,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:32:53,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 18:32:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:53,999 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 18:32:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:54,013 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 18:32:54,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:32:54,014 INFO L85 PathProgramCache]: Analyzing trace with hash 76, now seen corresponding path program 2 times [2021-12-19 18:32:54,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 18:32:54,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17698674] [2021-12-19 18:32:54,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:32:54,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 18:32:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:54,018 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 18:32:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:54,021 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 18:32:54,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:32:54,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1427225639, now seen corresponding path program 1 times [2021-12-19 18:32:54,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 18:32:54,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615379941] [2021-12-19 18:32:54,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:32:54,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 18:32:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 18:32:54,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 18:32:54,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 18:32:54,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615379941] [2021-12-19 18:32:54,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615379941] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 18:32:54,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 18:32:54,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-19 18:32:54,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598157799] [2021-12-19 18:32:54,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 18:32:54,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 18:32:54,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-19 18:32:54,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-19 18:32:54,163 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:32:54,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 18:32:54,183 INFO L93 Difference]: Finished difference Result 31 states and 37 transitions. [2021-12-19 18:32:54,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-19 18:32:54,184 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 37 transitions. [2021-12-19 18:32:54,184 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-19 18:32:54,185 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 25 states and 31 transitions. [2021-12-19 18:32:54,185 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-19 18:32:54,185 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-12-19 18:32:54,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 31 transitions. [2021-12-19 18:32:54,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 18:32:54,185 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2021-12-19 18:32:54,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 31 transitions. [2021-12-19 18:32:54,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 17. [2021-12-19 18:32:54,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:32:54,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-12-19 18:32:54,186 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-12-19 18:32:54,186 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-12-19 18:32:54,186 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-19 18:32:54,186 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2021-12-19 18:32:54,186 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-19 18:32:54,187 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 18:32:54,187 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 18:32:54,187 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 18:32:54,187 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-19 18:32:54,187 INFO L791 eck$LassoCheckResult]: Stem: 287#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);~c~0 := 0; 288#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post12#1, main_#t~nondet11#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~post18#1, main_~next~0#1.base, main_~next~0#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~post22#1, main_~next~1#1.base, main_~next~1#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, main_~length~0#1;call main_~#list~0#1.base, main_~#list~0#1.offset := #Ultimate.allocOnStack(4);call write~init~$Pointer$(0, 0, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_~length~0#1 := 0; 298#L543-3 assume { :begin_inline_append } true;append_#in~plist#1.base, append_#in~plist#1.offset := main_~#list~0#1.base, main_~#list~0#1.offset;havoc append_#t~post3#1, append_#t~malloc4#1.base, append_#t~malloc4#1.offset, append_#t~mem5#1.base, append_#t~mem5#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_#t~ite10#1.base, append_#t~ite10#1.offset, append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem8#1.base, append_#t~mem8#1.offset, append_#t~malloc9#1.base, append_#t~malloc9#1.offset, append_~plist#1.base, append_~plist#1.offset, append_~item~0#1.base, append_~item~0#1.offset;append_~plist#1.base, append_~plist#1.offset := append_#in~plist#1.base, append_#in~plist#1.offset;append_#t~post3#1 := ~c~0;~c~0 := 1 + append_#t~post3#1;havoc append_#t~post3#1;call append_#t~malloc4#1.base, append_#t~malloc4#1.offset := #Ultimate.allocOnHeap(8);append_~item~0#1.base, append_~item~0#1.offset := append_#t~malloc4#1.base, append_#t~malloc4#1.offset;havoc append_#t~malloc4#1.base, append_#t~malloc4#1.offset;call append_#t~mem5#1.base, append_#t~mem5#1.offset := read~$Pointer$(append_~plist#1.base, append_~plist#1.offset, 4);call write~$Pointer$(append_#t~mem5#1.base, append_#t~mem5#1.offset, append_~item~0#1.base, append_~item~0#1.offset, 4);havoc append_#t~mem5#1.base, append_#t~mem5#1.offset;call append_#t~mem6#1.base, append_#t~mem6#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4); 289#L534 assume !(append_#t~mem6#1.base != 0 || append_#t~mem6#1.offset != 0);call append_#t~malloc9#1.base, append_#t~malloc9#1.offset := #Ultimate.allocOnHeap(8);append_#t~ite10#1.base, append_#t~ite10#1.offset := append_#t~malloc9#1.base, append_#t~malloc9#1.offset; 284#L534-2 call write~$Pointer$(append_#t~ite10#1.base, append_#t~ite10#1.offset, append_~item~0#1.base, 4 + append_~item~0#1.offset, 4);havoc append_#t~mem6#1.base, append_#t~mem6#1.offset;havoc append_#t~ite10#1.base, append_#t~ite10#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset;havoc append_#t~mem8#1.base, append_#t~mem8#1.offset;havoc append_#t~malloc9#1.base, append_#t~malloc9#1.offset;call write~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, append_~plist#1.base, append_~plist#1.offset, 4); 285#L529 assume { :end_inline_append } true;main_#t~post12#1 := main_~length~0#1;main_~length~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 296#L543-1 assume !!(0 != main_#t~nondet11#1 && ~c~0 < 20);havoc main_#t~nondet11#1; 300#L543-3 assume { :begin_inline_append } true;append_#in~plist#1.base, append_#in~plist#1.offset := main_~#list~0#1.base, main_~#list~0#1.offset;havoc append_#t~post3#1, append_#t~malloc4#1.base, append_#t~malloc4#1.offset, append_#t~mem5#1.base, append_#t~mem5#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_#t~ite10#1.base, append_#t~ite10#1.offset, append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem8#1.base, append_#t~mem8#1.offset, append_#t~malloc9#1.base, append_#t~malloc9#1.offset, append_~plist#1.base, append_~plist#1.offset, append_~item~0#1.base, append_~item~0#1.offset;append_~plist#1.base, append_~plist#1.offset := append_#in~plist#1.base, append_#in~plist#1.offset;append_#t~post3#1 := ~c~0;~c~0 := 1 + append_#t~post3#1;havoc append_#t~post3#1;call append_#t~malloc4#1.base, append_#t~malloc4#1.offset := #Ultimate.allocOnHeap(8);append_~item~0#1.base, append_~item~0#1.offset := append_#t~malloc4#1.base, append_#t~malloc4#1.offset;havoc append_#t~malloc4#1.base, append_#t~malloc4#1.offset;call append_#t~mem5#1.base, append_#t~mem5#1.offset := read~$Pointer$(append_~plist#1.base, append_~plist#1.offset, 4);call write~$Pointer$(append_#t~mem5#1.base, append_#t~mem5#1.offset, append_~item~0#1.base, append_~item~0#1.offset, 4);havoc append_#t~mem5#1.base, append_#t~mem5#1.offset;call append_#t~mem6#1.base, append_#t~mem6#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4); 290#L534 assume !(append_#t~mem6#1.base != 0 || append_#t~mem6#1.offset != 0);call append_#t~malloc9#1.base, append_#t~malloc9#1.offset := #Ultimate.allocOnHeap(8);append_#t~ite10#1.base, append_#t~ite10#1.offset := append_#t~malloc9#1.base, append_#t~malloc9#1.offset; 291#L534-2 call write~$Pointer$(append_#t~ite10#1.base, append_#t~ite10#1.offset, append_~item~0#1.base, 4 + append_~item~0#1.offset, 4);havoc append_#t~mem6#1.base, append_#t~mem6#1.offset;havoc append_#t~ite10#1.base, append_#t~ite10#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset;havoc append_#t~mem8#1.base, append_#t~mem8#1.offset;havoc append_#t~malloc9#1.base, append_#t~malloc9#1.offset;call write~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, append_~plist#1.base, append_~plist#1.offset, 4); 294#L529 assume { :end_inline_append } true;main_#t~post12#1 := main_~length~0#1;main_~length~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 295#L543-1 assume !(0 != main_#t~nondet11#1 && ~c~0 < 20);havoc main_#t~nondet11#1; 299#L543-4 assume main_~length~0#1 > 0; 292#L548 assume !(main_~length~0#1 < 0); 293#L548-2 call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_#t~mem15#1.base, main_#t~mem15#1.offset, 4);main_~next~0#1.base, main_~next~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call ULTIMATE.dealloc(main_#t~mem17#1.base, main_#t~mem17#1.offset);havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;call write~$Pointer$(main_~next~0#1.base, main_~next~0#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_#t~post18#1 := main_~length~0#1;main_~length~0#1 := main_#t~post18#1 - 1;havoc main_#t~post18#1; 297#L556-1 [2021-12-19 18:32:54,187 INFO L793 eck$LassoCheckResult]: Loop: 297#L556-1 assume !!(main_~length~0#1 > 0);call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_#t~mem19#1.base, main_#t~mem19#1.offset, 4);main_~next~1#1.base, main_~next~1#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call ULTIMATE.dealloc(main_#t~mem21#1.base, main_#t~mem21#1.offset);havoc main_#t~mem21#1.base, main_#t~mem21#1.offset;call write~$Pointer$(main_~next~1#1.base, main_~next~1#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_#t~post22#1 := main_~length~0#1;main_~length~0#1 := main_#t~post22#1 - 1;havoc main_#t~post22#1; 297#L556-1 [2021-12-19 18:32:54,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:32:54,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1723894012, now seen corresponding path program 1 times [2021-12-19 18:32:54,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 18:32:54,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468341279] [2021-12-19 18:32:54,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:32:54,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 18:32:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 18:32:54,243 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 18:32:54,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 18:32:54,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468341279] [2021-12-19 18:32:54,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468341279] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-19 18:32:54,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312280590] [2021-12-19 18:32:54,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:32:54,245 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 18:32:54,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:32:54,246 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 18:32:54,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2021-12-19 18:32:54,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-19 18:32:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 18:32:54,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 31 conjunts are in the unsatisfiable core [2021-12-19 18:32:54,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 18:32:54,486 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-12-19 18:32:54,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2021-12-19 18:32:54,493 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 0 case distinctions, treesize of input 8 treesize of output 7 [2021-12-19 18:32:54,499 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 0 case distinctions, treesize of input 12 treesize of output 11 [2021-12-19 18:32:54,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-19 18:32:54,530 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-19 18:32:54,530 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 34 [2021-12-19 18:32:54,532 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 22 treesize of output 16 [2021-12-19 18:32:54,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-12-19 18:32:54,573 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 18:32:54,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-19 18:32:54,603 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-19 18:32:54,603 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 104 treesize of output 107 [2021-12-19 18:32:54,607 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 120 treesize of output 116 [2021-12-19 18:32:54,612 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 116 treesize of output 114 [2021-12-19 18:32:54,652 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 6 treesize of output 4 [2021-12-19 18:32:54,662 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 [2021-12-19 18:32:54,681 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 18:32:54,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312280590] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-19 18:32:54,683 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-19 18:32:54,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 5] total 8 [2021-12-19 18:32:54,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586316640] [2021-12-19 18:32:54,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-19 18:32:54,684 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 18:32:54,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:32:54,684 INFO L85 PathProgramCache]: Analyzing trace with hash 76, now seen corresponding path program 3 times [2021-12-19 18:32:54,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 18:32:54,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313980681] [2021-12-19 18:32:54,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:32:54,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 18:32:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:54,688 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 18:32:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:54,693 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 18:32:54,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 18:32:54,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-19 18:32:54,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-19 18:32:54,791 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:32:54,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 18:32:54,832 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2021-12-19 18:32:54,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-19 18:32:54,833 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 18 transitions. [2021-12-19 18:32:54,833 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-19 18:32:54,834 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 18 transitions. [2021-12-19 18:32:54,834 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-12-19 18:32:54,834 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-12-19 18:32:54,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 18 transitions. [2021-12-19 18:32:54,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 18:32:54,834 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 18 transitions. [2021-12-19 18:32:54,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 18 transitions. [2021-12-19 18:32:54,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-12-19 18:32:54,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:32:54,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2021-12-19 18:32:54,835 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 18 transitions. [2021-12-19 18:32:54,835 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 18 transitions. [2021-12-19 18:32:54,835 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-19 18:32:54,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 18 transitions. [2021-12-19 18:32:54,835 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-19 18:32:54,835 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 18:32:54,835 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 18:32:54,836 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 18:32:54,836 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-19 18:32:54,836 INFO L791 eck$LassoCheckResult]: Stem: 421#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);~c~0 := 0; 422#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post12#1, main_#t~nondet11#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~post18#1, main_~next~0#1.base, main_~next~0#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~post22#1, main_~next~1#1.base, main_~next~1#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, main_~length~0#1;call main_~#list~0#1.base, main_~#list~0#1.offset := #Ultimate.allocOnStack(4);call write~init~$Pointer$(0, 0, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_~length~0#1 := 0; 431#L543-3 assume { :begin_inline_append } true;append_#in~plist#1.base, append_#in~plist#1.offset := main_~#list~0#1.base, main_~#list~0#1.offset;havoc append_#t~post3#1, append_#t~malloc4#1.base, append_#t~malloc4#1.offset, append_#t~mem5#1.base, append_#t~mem5#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_#t~ite10#1.base, append_#t~ite10#1.offset, append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem8#1.base, append_#t~mem8#1.offset, append_#t~malloc9#1.base, append_#t~malloc9#1.offset, append_~plist#1.base, append_~plist#1.offset, append_~item~0#1.base, append_~item~0#1.offset;append_~plist#1.base, append_~plist#1.offset := append_#in~plist#1.base, append_#in~plist#1.offset;append_#t~post3#1 := ~c~0;~c~0 := 1 + append_#t~post3#1;havoc append_#t~post3#1;call append_#t~malloc4#1.base, append_#t~malloc4#1.offset := #Ultimate.allocOnHeap(8);append_~item~0#1.base, append_~item~0#1.offset := append_#t~malloc4#1.base, append_#t~malloc4#1.offset;havoc append_#t~malloc4#1.base, append_#t~malloc4#1.offset;call append_#t~mem5#1.base, append_#t~mem5#1.offset := read~$Pointer$(append_~plist#1.base, append_~plist#1.offset, 4);call write~$Pointer$(append_#t~mem5#1.base, append_#t~mem5#1.offset, append_~item~0#1.base, append_~item~0#1.offset, 4);havoc append_#t~mem5#1.base, append_#t~mem5#1.offset;call append_#t~mem6#1.base, append_#t~mem6#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4); 423#L534 assume !(append_#t~mem6#1.base != 0 || append_#t~mem6#1.offset != 0);call append_#t~malloc9#1.base, append_#t~malloc9#1.offset := #Ultimate.allocOnHeap(8);append_#t~ite10#1.base, append_#t~ite10#1.offset := append_#t~malloc9#1.base, append_#t~malloc9#1.offset; 424#L534-2 call write~$Pointer$(append_#t~ite10#1.base, append_#t~ite10#1.offset, append_~item~0#1.base, 4 + append_~item~0#1.offset, 4);havoc append_#t~mem6#1.base, append_#t~mem6#1.offset;havoc append_#t~ite10#1.base, append_#t~ite10#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset;havoc append_#t~mem8#1.base, append_#t~mem8#1.offset;havoc append_#t~malloc9#1.base, append_#t~malloc9#1.offset;call write~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, append_~plist#1.base, append_~plist#1.offset, 4); 420#L529 assume { :end_inline_append } true;main_#t~post12#1 := main_~length~0#1;main_~length~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 430#L543-1 assume !!(0 != main_#t~nondet11#1 && ~c~0 < 20);havoc main_#t~nondet11#1; 433#L543-3 assume { :begin_inline_append } true;append_#in~plist#1.base, append_#in~plist#1.offset := main_~#list~0#1.base, main_~#list~0#1.offset;havoc append_#t~post3#1, append_#t~malloc4#1.base, append_#t~malloc4#1.offset, append_#t~mem5#1.base, append_#t~mem5#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_#t~ite10#1.base, append_#t~ite10#1.offset, append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem8#1.base, append_#t~mem8#1.offset, append_#t~malloc9#1.base, append_#t~malloc9#1.offset, append_~plist#1.base, append_~plist#1.offset, append_~item~0#1.base, append_~item~0#1.offset;append_~plist#1.base, append_~plist#1.offset := append_#in~plist#1.base, append_#in~plist#1.offset;append_#t~post3#1 := ~c~0;~c~0 := 1 + append_#t~post3#1;havoc append_#t~post3#1;call append_#t~malloc4#1.base, append_#t~malloc4#1.offset := #Ultimate.allocOnHeap(8);append_~item~0#1.base, append_~item~0#1.offset := append_#t~malloc4#1.base, append_#t~malloc4#1.offset;havoc append_#t~malloc4#1.base, append_#t~malloc4#1.offset;call append_#t~mem5#1.base, append_#t~mem5#1.offset := read~$Pointer$(append_~plist#1.base, append_~plist#1.offset, 4);call write~$Pointer$(append_#t~mem5#1.base, append_#t~mem5#1.offset, append_~item~0#1.base, append_~item~0#1.offset, 4);havoc append_#t~mem5#1.base, append_#t~mem5#1.offset;call append_#t~mem6#1.base, append_#t~mem6#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4); 425#L534 assume append_#t~mem6#1.base != 0 || append_#t~mem6#1.offset != 0;call append_#t~mem7#1.base, append_#t~mem7#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4);call append_#t~mem8#1.base, append_#t~mem8#1.offset := read~$Pointer$(append_#t~mem7#1.base, 4 + append_#t~mem7#1.offset, 4);append_#t~ite10#1.base, append_#t~ite10#1.offset := append_#t~mem8#1.base, append_#t~mem8#1.offset; 417#L534-2 call write~$Pointer$(append_#t~ite10#1.base, append_#t~ite10#1.offset, append_~item~0#1.base, 4 + append_~item~0#1.offset, 4);havoc append_#t~mem6#1.base, append_#t~mem6#1.offset;havoc append_#t~ite10#1.base, append_#t~ite10#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset;havoc append_#t~mem8#1.base, append_#t~mem8#1.offset;havoc append_#t~malloc9#1.base, append_#t~malloc9#1.offset;call write~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, append_~plist#1.base, append_~plist#1.offset, 4); 418#L529 assume { :end_inline_append } true;main_#t~post12#1 := main_~length~0#1;main_~length~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 429#L543-1 assume !(0 != main_#t~nondet11#1 && ~c~0 < 20);havoc main_#t~nondet11#1; 432#L543-4 assume main_~length~0#1 > 0; 426#L548 assume !(main_~length~0#1 < 0); 427#L548-2 call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_#t~mem15#1.base, main_#t~mem15#1.offset, 4);main_~next~0#1.base, main_~next~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call ULTIMATE.dealloc(main_#t~mem17#1.base, main_#t~mem17#1.offset);havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;call write~$Pointer$(main_~next~0#1.base, main_~next~0#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_#t~post18#1 := main_~length~0#1;main_~length~0#1 := main_#t~post18#1 - 1;havoc main_#t~post18#1; 428#L556-1 [2021-12-19 18:32:54,836 INFO L793 eck$LassoCheckResult]: Loop: 428#L556-1 assume !!(main_~length~0#1 > 0);call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_#t~mem19#1.base, main_#t~mem19#1.offset, 4);main_~next~1#1.base, main_~next~1#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call ULTIMATE.dealloc(main_#t~mem21#1.base, main_#t~mem21#1.offset);havoc main_#t~mem21#1.base, main_#t~mem21#1.offset;call write~$Pointer$(main_~next~1#1.base, main_~next~1#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_#t~post22#1 := main_~length~0#1;main_~length~0#1 := main_#t~post22#1 - 1;havoc main_#t~post22#1; 428#L556-1 [2021-12-19 18:32:54,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:32:54,836 INFO L85 PathProgramCache]: Analyzing trace with hash -51113350, now seen corresponding path program 1 times [2021-12-19 18:32:54,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 18:32:54,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101900799] [2021-12-19 18:32:54,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:32:54,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 18:32:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:54,892 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 18:32:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:54,928 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 18:32:54,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:32:54,928 INFO L85 PathProgramCache]: Analyzing trace with hash 76, now seen corresponding path program 4 times [2021-12-19 18:32:54,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 18:32:54,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121869656] [2021-12-19 18:32:54,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:32:54,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 18:32:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:54,933 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 18:32:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:54,936 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 18:32:54,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:32:54,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1584513805, now seen corresponding path program 1 times [2021-12-19 18:32:54,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 18:32:54,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257665860] [2021-12-19 18:32:54,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:32:54,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 18:32:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:54,982 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 18:32:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:32:55,001 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 18:33:11,998 WARN L227 SmtUtils]: Spent 16.89s on a formula simplification. DAG size of input: 371 DAG size of output: 301 (called from [L 234] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-12-19 18:33:16,397 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 18:33:16,397 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 18:33:16,397 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 18:33:16,397 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 18:33:16,397 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 18:33:16,397 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:33:16,397 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 18:33:16,397 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 18:33:16,397 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-0232_1-1.i_Iteration6_Lasso [2021-12-19 18:33:16,397 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 18:33:16,397 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 18:33:16,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:16,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:16,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:16,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:16,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:16,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:16,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:16,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:16,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:16,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:16,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:16,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:16,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:16,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:16,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:16,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:16,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:16,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:16,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:16,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:16,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:17,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:33:18,617 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 18:33:18,618 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 18:33:18,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:33:18,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:33:18,619 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:33:18,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-19 18:33:18,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:33:18,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:33:18,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:33:18,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:33:18,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:33:18,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:33:18,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:33:18,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:33:18,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:33:18,650 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 [2021-12-19 18:33:18,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:33:18,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:33:18,651 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:33:18,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-19 18:33:18,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:33:18,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:33:18,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:33:18,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:33:18,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:33:18,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:33:18,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:33:18,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:33:18,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:33:18,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-19 18:33:18,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:33:18,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:33:18,683 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:33:18,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-19 18:33:18,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:33:18,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:33:18,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:33:18,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:33:18,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:33:18,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:33:18,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:33:18,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:33:18,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:33:18,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-19 18:33:18,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:33:18,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:33:18,709 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:33:18,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-19 18:33:18,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:33:18,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:33:18,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:33:18,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:33:18,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:33:18,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:33:18,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:33:18,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:33:18,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:33:18,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-19 18:33:18,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:33:18,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:33:18,734 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:33:18,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-19 18:33:18,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:33:18,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:33:18,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:33:18,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:33:18,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:33:18,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:33:18,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:33:18,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:33:18,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:33:18,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-19 18:33:18,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:33:18,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:33:18,767 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:33:18,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-19 18:33:18,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:33:18,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:33:18,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:33:18,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:33:18,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:33:18,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:33:18,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:33:18,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:33:18,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:33:18,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-19 18:33:18,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:33:18,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:33:18,794 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:33:18,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-19 18:33:18,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:33:18,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:33:18,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:33:18,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:33:18,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:33:18,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 18:33:18,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 18:33:18,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:33:18,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-19 18:33:18,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:33:18,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:33:18,821 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:33:18,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-19 18:33:18,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:33:18,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:33:18,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:33:18,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:33:18,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:33:18,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:33:18,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:33:18,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:33:18,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:33:18,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-12-19 18:33:18,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:33:18,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:33:18,848 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:33:18,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-19 18:33:18,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:33:18,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:33:18,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:33:18,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:33:18,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:33:18,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:33:18,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:33:18,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:33:18,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:33:18,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-12-19 18:33:18,874 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:33:18,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:33:18,875 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:33:18,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-19 18:33:18,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:33:18,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:33:18,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:33:18,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:33:18,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:33:18,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:33:18,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:33:18,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:33:18,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:33:18,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-12-19 18:33:18,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:33:18,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:33:18,906 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:33:18,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-19 18:33:18,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:33:18,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:33:18,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:33:18,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:33:18,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:33:18,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 18:33:18,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 18:33:18,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:33:18,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-12-19 18:33:18,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:33:18,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:33:18,934 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:33:18,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-19 18:33:18,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:33:18,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:33:18,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:33:18,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:33:18,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:33:18,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:33:18,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:33:18,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:33:18,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:33:18,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-12-19 18:33:18,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:33:18,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:33:18,960 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:33:18,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-19 18:33:18,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:33:18,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:33:18,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:33:18,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:33:18,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:33:18,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:33:18,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:33:18,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:33:18,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:33:18,984 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 [2021-12-19 18:33:18,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:33:18,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:33:18,985 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:33:18,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-19 18:33:18,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:33:18,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:33:18,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:33:18,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:33:18,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:33:18,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 18:33:18,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 18:33:19,000 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-19 18:33:19,004 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-19 18:33:19,004 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-12-19 18:33:19,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:33:19,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:33:19,005 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:33:19,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-19 18:33:19,007 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-19 18:33:19,014 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-19 18:33:19,014 INFO L513 LassoAnalysis]: Proved termination. [2021-12-19 18:33:19,014 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length~0#1) = 1*ULTIMATE.start_main_~length~0#1 Supporting invariants [] [2021-12-19 18:33:19,029 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 [2021-12-19 18:33:19,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-19 18:33:19,125 INFO L297 tatePredicateManager]: 26 out of 26 supporting invariants were superfluous and have been removed [2021-12-19 18:33:19,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:33:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 18:33:19,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 18:33:19,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 18:33:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 18:33:19,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-19 18:33:19,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 18:33:19,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 18:33:19,215 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-12-19 18:33:19,215 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 18 transitions. cyclomatic complexity: 3 Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:33:19,223 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 18 transitions. cyclomatic complexity: 3. Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 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 18 states and 19 transitions. Complement of second has 2 states. [2021-12-19 18:33:19,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-19 18:33:19,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:33:19,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 13 transitions. [2021-12-19 18:33:19,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 15 letters. Loop has 1 letters. [2021-12-19 18:33:19,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 18:33:19,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 16 letters. Loop has 1 letters. [2021-12-19 18:33:19,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 18:33:19,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 15 letters. Loop has 2 letters. [2021-12-19 18:33:19,225 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 18:33:19,225 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 19 transitions. [2021-12-19 18:33:19,225 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-19 18:33:19,225 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2021-12-19 18:33:19,225 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-19 18:33:19,225 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-19 18:33:19,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-19 18:33:19,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 18:33:19,225 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 18:33:19,225 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 18:33:19,225 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 18:33:19,225 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-19 18:33:19,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-19 18:33:19,225 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-19 18:33:19,225 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-19 18:33:19,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.12 06:33:19 BoogieIcfgContainer [2021-12-19 18:33:19,229 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-19 18:33:19,230 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-19 18:33:19,230 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-19 18:33:19,230 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-19 18:33:19,230 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 06:32:46" (3/4) ... [2021-12-19 18:33:19,232 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-19 18:33:19,232 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-19 18:33:19,232 INFO L158 Benchmark]: Toolchain (without parser) took 33416.06ms. Allocated memory was 83.9MB in the beginning and 148.9MB in the end (delta: 65.0MB). Free memory was 51.5MB in the beginning and 96.6MB in the end (delta: -45.1MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2021-12-19 18:33:19,232 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory was 54.0MB in the beginning and 54.0MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 18:33:19,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.80ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 51.2MB in the beginning and 70.6MB in the end (delta: -19.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-19 18:33:19,232 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.43ms. Allocated memory is still 100.7MB. Free memory was 70.6MB in the beginning and 68.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 18:33:19,232 INFO L158 Benchmark]: Boogie Preprocessor took 16.97ms. Allocated memory is still 100.7MB. Free memory was 68.5MB in the beginning and 66.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 18:33:19,233 INFO L158 Benchmark]: RCFGBuilder took 284.24ms. Allocated memory is still 100.7MB. Free memory was 66.9MB in the beginning and 53.8MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-19 18:33:19,233 INFO L158 Benchmark]: BuchiAutomizer took 32736.35ms. Allocated memory was 100.7MB in the beginning and 148.9MB in the end (delta: 48.2MB). Free memory was 53.8MB in the beginning and 96.6MB in the end (delta: -42.8MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2021-12-19 18:33:19,233 INFO L158 Benchmark]: Witness Printer took 2.00ms. Allocated memory is still 148.9MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 18:33:19,234 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory was 54.0MB in the beginning and 54.0MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.80ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 51.2MB in the beginning and 70.6MB in the end (delta: -19.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.43ms. Allocated memory is still 100.7MB. Free memory was 70.6MB in the beginning and 68.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.97ms. Allocated memory is still 100.7MB. Free memory was 68.5MB in the beginning and 66.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 284.24ms. Allocated memory is still 100.7MB. Free memory was 66.9MB in the beginning and 53.8MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 32736.35ms. Allocated memory was 100.7MB in the beginning and 148.9MB in the end (delta: 48.2MB). Free memory was 53.8MB in the beginning and 96.6MB in the end (delta: -42.8MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Witness Printer took 2.00ms. Allocated memory is still 148.9MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (4 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * c + 39 and consists of 4 locations. One deterministic module has affine ranking function length and consists of 2 locations. 4 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 32.6s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 32.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 13 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 161 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73 IncrementalHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 71 mSDtfsCounter, 73 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU2 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital4582 mio100 ax101 hnf99 lsp96 ukn22 mio100 lsp31 div100 bol100 ite100 ukn100 eq202 hnf88 smp100 dnf411 smp93 tf100 neg96 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 241ms VariablesStem: 11 VariablesLoop: 17 DisjunctsStem: 4 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 72 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-19 18:33:19,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2021-12-19 18:33:19,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE