./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 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/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c -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 6327d27f7abe073a313b5cd298156d916d823d684efcd0c205043cb09610f085 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 15:50:51,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 15:50:51,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 15:50:51,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 15:50:51,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 15:50:51,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 15:50:51,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 15:50:51,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 15:50:51,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 15:50:51,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 15:50:51,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 15:50:51,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 15:50:51,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 15:50:51,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 15:50:51,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 15:50:51,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 15:50:51,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 15:50:51,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 15:50:51,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 15:50:51,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 15:50:51,326 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 15:50:51,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 15:50:51,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 15:50:51,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 15:50:51,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 15:50:51,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 15:50:51,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 15:50:51,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 15:50:51,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 15:50:51,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 15:50:51,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 15:50:51,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 15:50:51,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 15:50:51,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 15:50:51,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 15:50:51,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 15:50:51,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 15:50:51,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 15:50:51,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 15:50:51,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 15:50:51,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 15:50:51,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 15:50:51,340 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-23 15:50:51,358 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 15:50:51,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 15:50:51,358 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 15:50:51,358 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 15:50:51,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 15:50:51,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 15:50:51,360 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 15:50:51,360 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 15:50:51,360 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 15:50:51,360 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 15:50:51,360 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 15:50:51,361 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 15:50:51,361 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 15:50:51,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 15:50:51,361 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 15:50:51,361 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 15:50:51,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 15:50:51,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 15:50:51,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 15:50:51,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 15:50:51,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 15:50:51,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 15:50:51,362 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 15:50:51,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 15:50:51,363 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 15:50:51,363 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 15:50:51,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 15:50:51,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 15:50:51,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 15:50:51,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 15:50:51,364 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 15:50:51,364 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 15:50:51,364 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6327d27f7abe073a313b5cd298156d916d823d684efcd0c205043cb09610f085 [2022-07-23 15:50:51,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 15:50:51,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 15:50:51,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 15:50:51,571 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 15:50:51,572 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 15:50:51,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c [2022-07-23 15:50:51,676 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf670eefd/3b0dca625f4e449d90f341779f1a14f0/FLAG9d4e7a37f [2022-07-23 15:50:52,117 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 15:50:52,118 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c [2022-07-23 15:50:52,125 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf670eefd/3b0dca625f4e449d90f341779f1a14f0/FLAG9d4e7a37f [2022-07-23 15:50:52,450 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf670eefd/3b0dca625f4e449d90f341779f1a14f0 [2022-07-23 15:50:52,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 15:50:52,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 15:50:52,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 15:50:52,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 15:50:52,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 15:50:52,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:50:52" (1/1) ... [2022-07-23 15:50:52,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12fa4d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:50:52, skipping insertion in model container [2022-07-23 15:50:52,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:50:52" (1/1) ... [2022-07-23 15:50:52,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 15:50:52,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 15:50:52,703 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c[26453,26466] [2022-07-23 15:50:52,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:50:52,710 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 15:50:52,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c[26453,26466] [2022-07-23 15:50:52,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:50:52,803 INFO L208 MainTranslator]: Completed translation [2022-07-23 15:50:52,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:50:52 WrapperNode [2022-07-23 15:50:52,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 15:50:52,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 15:50:52,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 15:50:52,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 15:50:52,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:50:52" (1/1) ... [2022-07-23 15:50:52,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:50:52" (1/1) ... [2022-07-23 15:50:52,861 INFO L137 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 497 [2022-07-23 15:50:52,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 15:50:52,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 15:50:52,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 15:50:52,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 15:50:52,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:50:52" (1/1) ... [2022-07-23 15:50:52,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:50:52" (1/1) ... [2022-07-23 15:50:52,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:50:52" (1/1) ... [2022-07-23 15:50:52,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:50:52" (1/1) ... [2022-07-23 15:50:52,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:50:52" (1/1) ... [2022-07-23 15:50:52,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:50:52" (1/1) ... [2022-07-23 15:50:52,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:50:52" (1/1) ... [2022-07-23 15:50:52,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 15:50:52,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 15:50:52,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 15:50:52,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 15:50:52,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:50:52" (1/1) ... [2022-07-23 15:50:52,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:50:52,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:50:52,909 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) [2022-07-23 15:50:52,916 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 [2022-07-23 15:50:52,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 15:50:52,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 15:50:52,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 15:50:52,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 15:50:53,012 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 15:50:53,013 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 15:50:53,339 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 15:50:53,345 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 15:50:53,345 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 15:50:53,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:50:53 BoogieIcfgContainer [2022-07-23 15:50:53,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 15:50:53,348 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 15:50:53,348 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 15:50:53,350 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 15:50:53,351 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:50:53,351 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 03:50:52" (1/3) ... [2022-07-23 15:50:53,352 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@329c08bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:50:53, skipping insertion in model container [2022-07-23 15:50:53,352 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:50:53,352 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:50:52" (2/3) ... [2022-07-23 15:50:53,352 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@329c08bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:50:53, skipping insertion in model container [2022-07-23 15:50:53,352 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:50:53,352 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:50:53" (3/3) ... [2022-07-23 15:50:53,353 INFO L354 chiAutomizerObserver]: Analyzing ICFG pals_lcr.8.ufo.BOUNDED-16.pals.c [2022-07-23 15:50:53,387 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 15:50:53,388 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 15:50:53,388 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 15:50:53,388 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 15:50:53,388 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 15:50:53,388 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 15:50:53,388 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 15:50:53,389 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 15:50:53,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 146 states, 145 states have (on average 1.7586206896551724) internal successors, (255), 145 states have internal predecessors, (255), 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) [2022-07-23 15:50:53,414 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 75 [2022-07-23 15:50:53,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:50:53,415 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:50:53,426 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:50:53,426 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:50:53,426 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 15:50:53,428 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 146 states, 145 states have (on average 1.7586206896551724) internal successors, (255), 145 states have internal predecessors, (255), 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) [2022-07-23 15:50:53,432 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 75 [2022-07-23 15:50:53,432 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:50:53,432 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:50:53,433 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:50:53,434 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:50:53,438 INFO L752 eck$LassoCheckResult]: Stem: 136#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(33, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0;~p8~0 := 0;~p8_old~0 := 0;~p8_new~0 := 0;~id8~0 := 0;~st8~0 := 0;~send8~0 := 0;~mode8~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[6 := #funAddr~node7.base], ~nodes~0.offset[6 := #funAddr~node7.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[7 := #funAddr~node8.base], ~nodes~0.offset[7 := #funAddr~node8.offset]; 42#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~ret45#1, main_#t~ret46#1, main_#t~post47#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~id1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~st1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~send1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~send2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~mode2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~id3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~st3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~send3~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~mode3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~id4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~send4~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~mode4~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~id5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~st5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~send5~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~mode5~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~id6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~st6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~send6~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~mode6~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~id7~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~st7~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~send7~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~mode7~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~id8~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~st8~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~send8~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~mode8~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 8#L295true assume !(0 == ~r1~0);init_~tmp~0#1 := 0; 114#L295-1true init_#res#1 := init_~tmp~0#1; 24#L540true main_#t~ret45#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret45#1;havoc main_#t~ret45#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 45#L22true assume !(0 == assume_abort_if_not_~cond#1); 109#L21true assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~nomsg~0;~p8_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 51#L630-2true [2022-07-23 15:50:53,439 INFO L754 eck$LassoCheckResult]: Loop: 51#L630-2true assume !!(main_~i2~0#1 < 16);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 128#L92true assume !(0 != ~mode1~0 % 256); 135#L106true assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite4#1 := ~send1~0; 58#L106-2true ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 68#L92-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 104#L118true assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 25#L121true assume !(node2_~m2~0#1 != ~nomsg~0); 119#L121-1true ~mode2~0 := 0; 63#L118-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 112#L143true assume !(0 != ~mode3~0 % 256); 140#L156true assume !(~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0);node3_#t~ite6#1 := ~p3_new~0; 39#L156-2true ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 12#L143-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 7#L168true assume !(0 != ~mode4~0 % 256); 105#L181true assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 52#L181-2true ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 9#L168-2true assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 64#L193true assume !(0 != ~mode5~0 % 256); 34#L206true assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 79#L206-2true ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 56#L193-2true assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 43#L218true assume !(0 != ~mode6~0 % 256); 90#L231true assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 5#L231-2true ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 14#L218-2true assume { :end_inline_node6 } true;assume { :begin_inline_node7 } true;havoc node7_#t~ite10#1, node7_~m7~0#1;havoc node7_~m7~0#1;node7_~m7~0#1 := ~nomsg~0; 88#L243true assume 0 != ~mode7~0 % 256;node7_~m7~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 72#L246true assume !(node7_~m7~0#1 != ~nomsg~0); 17#L246-1true ~mode7~0 := 0; 145#L243-2true assume { :end_inline_node7 } true;assume { :begin_inline_node8 } true;havoc node8_#t~ite11#1, node8_~m8~0#1;havoc node8_~m8~0#1;node8_~m8~0#1 := ~nomsg~0; 20#L268true assume !(0 != ~mode8~0 % 256); 15#L281true assume ~send8~0 != ~nomsg~0 && ~p8_new~0 == ~nomsg~0;node8_#t~ite11#1 := ~send8~0; 86#L281-2true ~p8_new~0 := (if node8_#t~ite11#1 % 256 <= 127 then node8_#t~ite11#1 % 256 else node8_#t~ite11#1 % 256 - 256);havoc node8_#t~ite11#1;~mode8~0 := 1; 115#L268-2true assume { :end_inline_node8 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~p8_new~0;~p8_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 67#L548true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 + ~st8~0 <= 1);check_~tmp~1#1 := 0; 124#L548-1true check_#res#1 := check_~tmp~1#1; 146#L568true main_#t~ret46#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret46#1;havoc main_#t~ret46#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 127#L669true assume !(0 == assert_~arg#1 % 256); 40#L664true assume { :end_inline_assert } true;main_#t~post47#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post47#1;havoc main_#t~post47#1; 51#L630-2true [2022-07-23 15:50:53,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:50:53,456 INFO L85 PathProgramCache]: Analyzing trace with hash -2144605008, now seen corresponding path program 1 times [2022-07-23 15:50:53,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:50:53,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030400020] [2022-07-23 15:50:53,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:50:53,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:50:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:50:53,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:50:53,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:50:53,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030400020] [2022-07-23 15:50:53,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030400020] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:50:53,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:50:53,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:50:53,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008834067] [2022-07-23 15:50:53,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:50:53,689 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-23 15:50:53,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:50:53,692 INFO L85 PathProgramCache]: Analyzing trace with hash 878385227, now seen corresponding path program 1 times [2022-07-23 15:50:53,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:50:53,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564315484] [2022-07-23 15:50:53,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:50:53,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:50:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:50:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:50:53,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:50:53,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564315484] [2022-07-23 15:50:53,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564315484] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:50:53,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:50:53,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:50:53,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952740831] [2022-07-23 15:50:53,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:50:53,810 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 15:50:53,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:50:53,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 15:50:53,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 15:50:53,838 INFO L87 Difference]: Start difference. First operand has 146 states, 145 states have (on average 1.7586206896551724) internal successors, (255), 145 states have internal predecessors, (255), 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 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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) [2022-07-23 15:50:53,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:50:53,952 INFO L93 Difference]: Finished difference Result 149 states and 254 transitions. [2022-07-23 15:50:53,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 15:50:53,957 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 149 states and 254 transitions. [2022-07-23 15:50:53,958 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 74 [2022-07-23 15:50:53,963 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 149 states to 141 states and 186 transitions. [2022-07-23 15:50:53,964 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 141 [2022-07-23 15:50:53,965 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 141 [2022-07-23 15:50:53,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 141 states and 186 transitions. [2022-07-23 15:50:53,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:50:53,967 INFO L369 hiAutomatonCegarLoop]: Abstraction has 141 states and 186 transitions. [2022-07-23 15:50:53,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states and 186 transitions. [2022-07-23 15:50:53,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2022-07-23 15:50:53,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 141 states have (on average 1.3191489361702127) internal successors, (186), 140 states have internal predecessors, (186), 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) [2022-07-23 15:50:53,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 186 transitions. [2022-07-23 15:50:53,990 INFO L392 hiAutomatonCegarLoop]: Abstraction has 141 states and 186 transitions. [2022-07-23 15:50:53,990 INFO L374 stractBuchiCegarLoop]: Abstraction has 141 states and 186 transitions. [2022-07-23 15:50:53,991 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 15:50:53,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 186 transitions. [2022-07-23 15:50:53,992 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 74 [2022-07-23 15:50:53,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:50:53,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:50:53,995 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:50:53,995 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:50:53,996 INFO L752 eck$LassoCheckResult]: Stem: 452#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(33, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0;~p8~0 := 0;~p8_old~0 := 0;~p8_new~0 := 0;~id8~0 := 0;~st8~0 := 0;~send8~0 := 0;~mode8~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[6 := #funAddr~node7.base], ~nodes~0.offset[6 := #funAddr~node7.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[7 := #funAddr~node8.base], ~nodes~0.offset[7 := #funAddr~node8.offset]; 379#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~ret45#1, main_#t~ret46#1, main_#t~post47#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~id1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~st1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~send1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~send2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~mode2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~id3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~st3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~send3~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~mode3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~id4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~send4~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~mode4~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~id5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~st5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~send5~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~mode5~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~id6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~st6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~send6~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~mode6~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~id7~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~st7~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~send7~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~mode7~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~id8~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~st8~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~send8~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~mode8~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 324#L295 assume 0 == ~r1~0; 325#L296 assume ~id1~0 >= 0; 363#L297 assume 0 == ~st1~0; 358#L298 assume ~send1~0 == ~id1~0; 359#L299 assume 0 == ~mode1~0 % 256; 374#L300 assume ~id2~0 >= 0; 422#L301 assume 0 == ~st2~0; 432#L302 assume ~send2~0 == ~id2~0; 433#L303 assume 0 == ~mode2~0 % 256; 443#L304 assume ~id3~0 >= 0; 413#L305 assume 0 == ~st3~0; 414#L306 assume ~send3~0 == ~id3~0; 429#L307 assume 0 == ~mode3~0 % 256; 330#L308 assume ~id4~0 >= 0; 331#L309 assume 0 == ~st4~0; 425#L310 assume ~send4~0 == ~id4~0; 397#L311 assume 0 == ~mode4~0 % 256; 398#L312 assume ~id5~0 >= 0; 349#L313 assume 0 == ~st5~0; 350#L314 assume ~send5~0 == ~id5~0; 390#L315 assume 0 == ~mode5~0 % 256; 391#L316 assume ~id6~0 >= 0; 319#L317 assume 0 == ~st6~0; 320#L318 assume ~send6~0 == ~id6~0; 453#L319 assume 0 == ~mode6~0 % 256; 431#L320 assume ~id7~0 >= 0; 420#L321 assume 0 == ~st7~0; 421#L322 assume ~send7~0 == ~id7~0; 317#L323 assume 0 == ~mode7~0 % 256; 318#L324 assume ~id8~0 >= 0; 338#L325 assume 0 == ~st8~0; 357#L326 assume ~send8~0 == ~id8~0; 340#L327 assume 0 == ~mode8~0 % 256; 341#L328 assume ~id1~0 != ~id2~0; 367#L329 assume ~id1~0 != ~id3~0; 368#L330 assume ~id1~0 != ~id4~0; 328#L331 assume ~id1~0 != ~id5~0; 329#L332 assume ~id1~0 != ~id6~0; 356#L333 assume ~id1~0 != ~id7~0; 364#L334 assume ~id1~0 != ~id8~0; 347#L335 assume ~id2~0 != ~id3~0; 348#L336 assume ~id2~0 != ~id4~0; 428#L337 assume ~id2~0 != ~id5~0; 404#L338 assume ~id2~0 != ~id6~0; 405#L339 assume ~id2~0 != ~id7~0; 445#L340 assume ~id2~0 != ~id8~0; 440#L341 assume ~id3~0 != ~id4~0; 369#L342 assume ~id3~0 != ~id5~0; 370#L343 assume ~id3~0 != ~id6~0; 360#L344 assume ~id3~0 != ~id7~0; 361#L345 assume ~id3~0 != ~id8~0; 392#L346 assume ~id4~0 != ~id5~0; 393#L347 assume ~id4~0 != ~id6~0; 451#L348 assume ~id4~0 != ~id7~0; 435#L349 assume ~id4~0 != ~id8~0; 436#L350 assume ~id5~0 != ~id6~0; 423#L351 assume ~id5~0 != ~id7~0; 424#L352 assume ~id5~0 != ~id8~0; 441#L353 assume ~id6~0 != ~id7~0; 411#L354 assume ~id6~0 != ~id8~0; 371#L355 assume ~id7~0 != ~id8~0;init_~tmp~0#1 := 1; 372#L295-1 init_#res#1 := init_~tmp~0#1; 351#L540 main_#t~ret45#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret45#1;havoc main_#t~ret45#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 352#L22 assume !(0 == assume_abort_if_not_~cond#1); 386#L21 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~nomsg~0;~p8_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 376#L630-2 [2022-07-23 15:50:53,996 INFO L754 eck$LassoCheckResult]: Loop: 376#L630-2 assume !!(main_~i2~0#1 < 16);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 394#L92 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0#1 := ~p8_old~0;~p8_old~0 := ~nomsg~0; 449#L96 assume !(node1_~m1~0#1 != ~nomsg~0); 408#L96-1 ~mode1~0 := 0; 403#L92-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 415#L118 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 353#L121 assume !(node2_~m2~0#1 != ~nomsg~0); 354#L121-1 ~mode2~0 := 0; 409#L118-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 410#L143 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 437#L146 assume !(node3_~m3~0#1 != ~nomsg~0); 342#L146-1 ~mode3~0 := 0; 332#L143-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 321#L168 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 322#L171 assume !(node4_~m4~0#1 != ~nomsg~0); 314#L171-1 ~mode4~0 := 0; 326#L168-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 327#L193 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 406#L196 assume !(node5_~m5~0#1 != ~nomsg~0); 416#L196-1 ~mode5~0 := 0; 400#L193-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 380#L218 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 381#L221 assume !(node6_~m6~0#1 != ~nomsg~0); 378#L221-1 ~mode6~0 := 0; 316#L218-2 assume { :end_inline_node6 } true;assume { :begin_inline_node7 } true;havoc node7_#t~ite10#1, node7_~m7~0#1;havoc node7_~m7~0#1;node7_~m7~0#1 := ~nomsg~0; 335#L243 assume !(0 != ~mode7~0 % 256); 401#L256 assume ~send7~0 != ~nomsg~0 && ~p7_new~0 == ~nomsg~0;node7_#t~ite10#1 := ~send7~0; 333#L256-2 ~p7_new~0 := (if node7_#t~ite10#1 % 256 <= 127 then node7_#t~ite10#1 % 256 else node7_#t~ite10#1 % 256 - 256);havoc node7_#t~ite10#1;~mode7~0 := 1; 334#L243-2 assume { :end_inline_node7 } true;assume { :begin_inline_node8 } true;havoc node8_#t~ite11#1, node8_~m8~0#1;havoc node8_~m8~0#1;node8_~m8~0#1 := ~nomsg~0; 343#L268 assume !(0 != ~mode8~0 % 256); 336#L281 assume ~send8~0 != ~nomsg~0 && ~p8_new~0 == ~nomsg~0;node8_#t~ite11#1 := ~send8~0; 337#L281-2 ~p8_new~0 := (if node8_#t~ite11#1 % 256 <= 127 then node8_#t~ite11#1 % 256 else node8_#t~ite11#1 % 256 - 256);havoc node8_#t~ite11#1;~mode8~0 := 1; 346#L268-2 assume { :end_inline_node8 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~p8_new~0;~p8_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 412#L548 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 + ~st8~0 <= 1);check_~tmp~1#1 := 0; 384#L548-1 check_#res#1 := check_~tmp~1#1; 447#L568 main_#t~ret46#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret46#1;havoc main_#t~ret46#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 448#L669 assume !(0 == assert_~arg#1 % 256); 375#L664 assume { :end_inline_assert } true;main_#t~post47#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post47#1;havoc main_#t~post47#1; 376#L630-2 [2022-07-23 15:50:53,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:50:53,997 INFO L85 PathProgramCache]: Analyzing trace with hash 354076320, now seen corresponding path program 1 times [2022-07-23 15:50:53,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:50:53,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227118739] [2022-07-23 15:50:53,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:50:53,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:50:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:50:54,033 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:50:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:50:54,095 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:50:54,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:50:54,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1035007925, now seen corresponding path program 1 times [2022-07-23 15:50:54,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:50:54,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863213210] [2022-07-23 15:50:54,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:50:54,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:50:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:50:54,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:50:54,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:50:54,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863213210] [2022-07-23 15:50:54,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863213210] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:50:54,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:50:54,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:50:54,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048941788] [2022-07-23 15:50:54,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:50:54,210 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 15:50:54,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:50:54,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 15:50:54,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 15:50:54,211 INFO L87 Difference]: Start difference. First operand 141 states and 186 transitions. cyclomatic complexity: 46 Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:50:54,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:50:54,243 INFO L93 Difference]: Finished difference Result 144 states and 188 transitions. [2022-07-23 15:50:54,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 15:50:54,244 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 144 states and 188 transitions. [2022-07-23 15:50:54,245 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 74 [2022-07-23 15:50:54,246 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 144 states to 141 states and 183 transitions. [2022-07-23 15:50:54,246 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 141 [2022-07-23 15:50:54,246 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 141 [2022-07-23 15:50:54,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 141 states and 183 transitions. [2022-07-23 15:50:54,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:50:54,247 INFO L369 hiAutomatonCegarLoop]: Abstraction has 141 states and 183 transitions. [2022-07-23 15:50:54,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states and 183 transitions. [2022-07-23 15:50:54,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2022-07-23 15:50:54,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 141 states have (on average 1.297872340425532) internal successors, (183), 140 states have internal predecessors, (183), 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) [2022-07-23 15:50:54,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 183 transitions. [2022-07-23 15:50:54,252 INFO L392 hiAutomatonCegarLoop]: Abstraction has 141 states and 183 transitions. [2022-07-23 15:50:54,252 INFO L374 stractBuchiCegarLoop]: Abstraction has 141 states and 183 transitions. [2022-07-23 15:50:54,252 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-23 15:50:54,252 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 183 transitions. [2022-07-23 15:50:54,253 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 74 [2022-07-23 15:50:54,253 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:50:54,253 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:50:54,254 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:50:54,254 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:50:54,254 INFO L752 eck$LassoCheckResult]: Stem: 749#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(33, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0;~p8~0 := 0;~p8_old~0 := 0;~p8_new~0 := 0;~id8~0 := 0;~st8~0 := 0;~send8~0 := 0;~mode8~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[6 := #funAddr~node7.base], ~nodes~0.offset[6 := #funAddr~node7.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[7 := #funAddr~node8.base], ~nodes~0.offset[7 := #funAddr~node8.offset]; 676#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~ret45#1, main_#t~ret46#1, main_#t~post47#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~id1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~st1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~send1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~send2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~mode2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~id3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~st3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~send3~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~mode3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~id4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~send4~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~mode4~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~id5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~st5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~send5~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~mode5~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~id6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~st6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~send6~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~mode6~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~id7~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~st7~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~send7~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~mode7~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~id8~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~st8~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~send8~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~mode8~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 621#L295 assume 0 == ~r1~0; 622#L296 assume ~id1~0 >= 0; 660#L297 assume 0 == ~st1~0; 657#L298 assume ~send1~0 == ~id1~0; 658#L299 assume 0 == ~mode1~0 % 256; 671#L300 assume ~id2~0 >= 0; 718#L301 assume 0 == ~st2~0; 729#L302 assume ~send2~0 == ~id2~0; 730#L303 assume 0 == ~mode2~0 % 256; 740#L304 assume ~id3~0 >= 0; 710#L305 assume 0 == ~st3~0; 711#L306 assume ~send3~0 == ~id3~0; 725#L307 assume 0 == ~mode3~0 % 256; 627#L308 assume ~id4~0 >= 0; 628#L309 assume 0 == ~st4~0; 721#L310 assume ~send4~0 == ~id4~0; 694#L311 assume 0 == ~mode4~0 % 256; 695#L312 assume ~id5~0 >= 0; 646#L313 assume 0 == ~st5~0; 647#L314 assume ~send5~0 == ~id5~0; 686#L315 assume 0 == ~mode5~0 % 256; 687#L316 assume ~id6~0 >= 0; 616#L317 assume 0 == ~st6~0; 617#L318 assume ~send6~0 == ~id6~0; 750#L319 assume 0 == ~mode6~0 % 256; 728#L320 assume ~id7~0 >= 0; 716#L321 assume 0 == ~st7~0; 717#L322 assume ~send7~0 == ~id7~0; 614#L323 assume 0 == ~mode7~0 % 256; 615#L324 assume ~id8~0 >= 0; 635#L325 assume 0 == ~st8~0; 654#L326 assume ~send8~0 == ~id8~0; 637#L327 assume 0 == ~mode8~0 % 256; 638#L328 assume ~id1~0 != ~id2~0; 664#L329 assume ~id1~0 != ~id3~0; 665#L330 assume ~id1~0 != ~id4~0; 625#L331 assume ~id1~0 != ~id5~0; 626#L332 assume ~id1~0 != ~id6~0; 653#L333 assume ~id1~0 != ~id7~0; 661#L334 assume ~id1~0 != ~id8~0; 644#L335 assume ~id2~0 != ~id3~0; 645#L336 assume ~id2~0 != ~id4~0; 724#L337 assume ~id2~0 != ~id5~0; 700#L338 assume ~id2~0 != ~id6~0; 701#L339 assume ~id2~0 != ~id7~0; 742#L340 assume ~id2~0 != ~id8~0; 737#L341 assume ~id3~0 != ~id4~0; 666#L342 assume ~id3~0 != ~id5~0; 667#L343 assume ~id3~0 != ~id6~0; 655#L344 assume ~id3~0 != ~id7~0; 656#L345 assume ~id3~0 != ~id8~0; 688#L346 assume ~id4~0 != ~id5~0; 689#L347 assume ~id4~0 != ~id6~0; 748#L348 assume ~id4~0 != ~id7~0; 732#L349 assume ~id4~0 != ~id8~0; 733#L350 assume ~id5~0 != ~id6~0; 719#L351 assume ~id5~0 != ~id7~0; 720#L352 assume ~id5~0 != ~id8~0; 738#L353 assume ~id6~0 != ~id7~0; 707#L354 assume ~id6~0 != ~id8~0; 668#L355 assume ~id7~0 != ~id8~0;init_~tmp~0#1 := 1; 669#L295-1 init_#res#1 := init_~tmp~0#1; 648#L540 main_#t~ret45#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret45#1;havoc main_#t~ret45#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 649#L22 assume !(0 == assume_abort_if_not_~cond#1); 682#L21 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~nomsg~0;~p8_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 673#L630-2 [2022-07-23 15:50:54,255 INFO L754 eck$LassoCheckResult]: Loop: 673#L630-2 assume !!(main_~i2~0#1 < 16);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 690#L92 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0#1 := ~p8_old~0;~p8_old~0 := ~nomsg~0; 746#L96 assume !(node1_~m1~0#1 != ~nomsg~0); 703#L96-1 ~mode1~0 := 0; 698#L92-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 709#L118 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 650#L121 assume !(node2_~m2~0#1 != ~nomsg~0); 651#L121-1 ~mode2~0 := 0; 704#L118-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 705#L143 assume !(0 != ~mode3~0 % 256); 741#L156 assume !(~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0);node3_#t~ite6#1 := ~p3_new~0; 670#L156-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 629#L143-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 618#L168 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 619#L171 assume !(node4_~m4~0#1 != ~nomsg~0); 611#L171-1 ~mode4~0 := 0; 623#L168-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 624#L193 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 706#L196 assume !(node5_~m5~0#1 != ~nomsg~0); 712#L196-1 ~mode5~0 := 0; 696#L193-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 677#L218 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 678#L221 assume !(node6_~m6~0#1 != ~nomsg~0); 675#L221-1 ~mode6~0 := 0; 613#L218-2 assume { :end_inline_node6 } true;assume { :begin_inline_node7 } true;havoc node7_#t~ite10#1, node7_~m7~0#1;havoc node7_~m7~0#1;node7_~m7~0#1 := ~nomsg~0; 632#L243 assume 0 != ~mode7~0 % 256;node7_~m7~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 714#L246 assume !(node7_~m7~0#1 != ~nomsg~0); 636#L246-1 ~mode7~0 := 0; 631#L243-2 assume { :end_inline_node7 } true;assume { :begin_inline_node8 } true;havoc node8_#t~ite11#1, node8_~m8~0#1;havoc node8_~m8~0#1;node8_~m8~0#1 := ~nomsg~0; 640#L268 assume 0 != ~mode8~0 % 256;node8_~m8~0#1 := ~p7_old~0;~p7_old~0 := ~nomsg~0; 641#L271 assume !(node8_~m8~0#1 != ~nomsg~0); 642#L271-1 ~mode8~0 := 0; 643#L268-2 assume { :end_inline_node8 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~p8_new~0;~p8_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 708#L548 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 + ~st8~0 <= 1; 692#L549 assume ~r1~0 >= 8; 681#L553 assume ~r1~0 < 8;check_~tmp~1#1 := 1; 726#L548-1 check_#res#1 := check_~tmp~1#1; 744#L568 main_#t~ret46#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret46#1;havoc main_#t~ret46#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 745#L669 assume !(0 == assert_~arg#1 % 256); 672#L664 assume { :end_inline_assert } true;main_#t~post47#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post47#1;havoc main_#t~post47#1; 673#L630-2 [2022-07-23 15:50:54,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:50:54,255 INFO L85 PathProgramCache]: Analyzing trace with hash 354076320, now seen corresponding path program 2 times [2022-07-23 15:50:54,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:50:54,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108749064] [2022-07-23 15:50:54,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:50:54,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:50:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:50:54,279 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:50:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:50:54,306 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:50:54,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:50:54,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1105660173, now seen corresponding path program 1 times [2022-07-23 15:50:54,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:50:54,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243427360] [2022-07-23 15:50:54,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:50:54,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:50:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:50:54,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:50:54,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:50:54,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243427360] [2022-07-23 15:50:54,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243427360] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:50:54,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:50:54,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 15:50:54,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354771598] [2022-07-23 15:50:54,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:50:54,329 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 15:50:54,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:50:54,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 15:50:54,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 15:50:54,329 INFO L87 Difference]: Start difference. First operand 141 states and 183 transitions. cyclomatic complexity: 43 Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:50:54,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:50:54,344 INFO L93 Difference]: Finished difference Result 209 states and 288 transitions. [2022-07-23 15:50:54,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 15:50:54,345 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 288 transitions. [2022-07-23 15:50:54,346 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 142 [2022-07-23 15:50:54,347 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 209 states and 288 transitions. [2022-07-23 15:50:54,347 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 209 [2022-07-23 15:50:54,347 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 209 [2022-07-23 15:50:54,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 209 states and 288 transitions. [2022-07-23 15:50:54,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:50:54,348 INFO L369 hiAutomatonCegarLoop]: Abstraction has 209 states and 288 transitions. [2022-07-23 15:50:54,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states and 288 transitions. [2022-07-23 15:50:54,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2022-07-23 15:50:54,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 209 states have (on average 1.3779904306220097) internal successors, (288), 208 states have internal predecessors, (288), 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) [2022-07-23 15:50:54,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 288 transitions. [2022-07-23 15:50:54,354 INFO L392 hiAutomatonCegarLoop]: Abstraction has 209 states and 288 transitions. [2022-07-23 15:50:54,354 INFO L374 stractBuchiCegarLoop]: Abstraction has 209 states and 288 transitions. [2022-07-23 15:50:54,354 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-23 15:50:54,354 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 209 states and 288 transitions. [2022-07-23 15:50:54,355 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 142 [2022-07-23 15:50:54,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:50:54,355 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:50:54,356 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:50:54,356 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:50:54,356 INFO L752 eck$LassoCheckResult]: Stem: 1110#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(33, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0;~p8~0 := 0;~p8_old~0 := 0;~p8_new~0 := 0;~id8~0 := 0;~st8~0 := 0;~send8~0 := 0;~mode8~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[6 := #funAddr~node7.base], ~nodes~0.offset[6 := #funAddr~node7.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[7 := #funAddr~node8.base], ~nodes~0.offset[7 := #funAddr~node8.offset]; 1032#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~ret45#1, main_#t~ret46#1, main_#t~post47#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~id1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~st1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~send1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~send2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~mode2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~id3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~st3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~send3~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~mode3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~id4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~send4~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~mode4~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~id5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~st5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~send5~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~mode5~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~id6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~st6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~send6~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~mode6~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~id7~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~st7~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~send7~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~mode7~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~id8~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~st8~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~send8~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~mode8~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 977#L295 assume 0 == ~r1~0; 978#L296 assume ~id1~0 >= 0; 1015#L297 assume 0 == ~st1~0; 1011#L298 assume ~send1~0 == ~id1~0; 1012#L299 assume 0 == ~mode1~0 % 256; 1026#L300 assume ~id2~0 >= 0; 1076#L301 assume 0 == ~st2~0; 1088#L302 assume ~send2~0 == ~id2~0; 1089#L303 assume 0 == ~mode2~0 % 256; 1099#L304 assume ~id3~0 >= 0; 1067#L305 assume 0 == ~st3~0; 1068#L306 assume ~send3~0 == ~id3~0; 1084#L307 assume 0 == ~mode3~0 % 256; 983#L308 assume ~id4~0 >= 0; 984#L309 assume 0 == ~st4~0; 1080#L310 assume ~send4~0 == ~id4~0; 1050#L311 assume 0 == ~mode4~0 % 256; 1051#L312 assume ~id5~0 >= 0; 1002#L313 assume 0 == ~st5~0; 1003#L314 assume ~send5~0 == ~id5~0; 1042#L315 assume 0 == ~mode5~0 % 256; 1043#L316 assume ~id6~0 >= 0; 972#L317 assume 0 == ~st6~0; 973#L318 assume ~send6~0 == ~id6~0; 1111#L319 assume 0 == ~mode6~0 % 256; 1087#L320 assume ~id7~0 >= 0; 1074#L321 assume 0 == ~st7~0; 1075#L322 assume ~send7~0 == ~id7~0; 966#L323 assume 0 == ~mode7~0 % 256; 967#L324 assume ~id8~0 >= 0; 991#L325 assume 0 == ~st8~0; 1010#L326 assume ~send8~0 == ~id8~0; 993#L327 assume 0 == ~mode8~0 % 256; 994#L328 assume ~id1~0 != ~id2~0; 1020#L329 assume ~id1~0 != ~id3~0; 1021#L330 assume ~id1~0 != ~id4~0; 981#L331 assume ~id1~0 != ~id5~0; 982#L332 assume ~id1~0 != ~id6~0; 1009#L333 assume ~id1~0 != ~id7~0; 1016#L334 assume ~id1~0 != ~id8~0; 1000#L335 assume ~id2~0 != ~id3~0; 1001#L336 assume ~id2~0 != ~id4~0; 1083#L337 assume ~id2~0 != ~id5~0; 1058#L338 assume ~id2~0 != ~id6~0; 1059#L339 assume ~id2~0 != ~id7~0; 1102#L340 assume ~id2~0 != ~id8~0; 1096#L341 assume ~id3~0 != ~id4~0; 1022#L342 assume ~id3~0 != ~id5~0; 1023#L343 assume ~id3~0 != ~id6~0; 1013#L344 assume ~id3~0 != ~id7~0; 1014#L345 assume ~id3~0 != ~id8~0; 1044#L346 assume ~id4~0 != ~id5~0; 1045#L347 assume ~id4~0 != ~id6~0; 1109#L348 assume ~id4~0 != ~id7~0; 1091#L349 assume ~id4~0 != ~id8~0; 1092#L350 assume ~id5~0 != ~id6~0; 1077#L351 assume ~id5~0 != ~id7~0; 1078#L352 assume ~id5~0 != ~id8~0; 1097#L353 assume ~id6~0 != ~id7~0; 1065#L354 assume ~id6~0 != ~id8~0; 1024#L355 assume ~id7~0 != ~id8~0;init_~tmp~0#1 := 1; 1025#L295-1 init_#res#1 := init_~tmp~0#1; 1004#L540 main_#t~ret45#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret45#1;havoc main_#t~ret45#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 1005#L22 assume !(0 == assume_abort_if_not_~cond#1); 1038#L21 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~nomsg~0;~p8_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 1098#L630-2 [2022-07-23 15:50:54,356 INFO L754 eck$LassoCheckResult]: Loop: 1098#L630-2 assume !!(main_~i2~0#1 < 16);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 1170#L92 assume !(0 != ~mode1~0 % 256); 1169#L106 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite4#1 := ~send1~0; 1168#L106-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 1079#L92-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 1167#L118 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 1164#L121 assume !(node2_~m2~0#1 != ~nomsg~0); 1162#L121-1 ~mode2~0 := 0; 1160#L118-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 1159#L143 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 1156#L146 assume !(node3_~m3~0#1 != ~nomsg~0); 1154#L146-1 ~mode3~0 := 0; 1152#L143-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 1151#L168 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 1148#L171 assume !(node4_~m4~0#1 != ~nomsg~0); 1146#L171-1 ~mode4~0 := 0; 1144#L168-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 1143#L193 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 1141#L196 assume !(node5_~m5~0#1 != ~nomsg~0); 1138#L196-1 ~mode5~0 := 0; 1136#L193-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 1135#L218 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 1133#L221 assume !(node6_~m6~0#1 != ~nomsg~0); 1130#L221-1 ~mode6~0 := 0; 1128#L218-2 assume { :end_inline_node6 } true;assume { :begin_inline_node7 } true;havoc node7_#t~ite10#1, node7_~m7~0#1;havoc node7_~m7~0#1;node7_~m7~0#1 := ~nomsg~0; 1127#L243 assume !(0 != ~mode7~0 % 256); 1056#L256 assume ~send7~0 != ~nomsg~0 && ~p7_new~0 == ~nomsg~0;node7_#t~ite10#1 := ~send7~0; 1057#L256-2 ~p7_new~0 := (if node7_#t~ite10#1 % 256 <= 127 then node7_#t~ite10#1 % 256 else node7_#t~ite10#1 % 256 - 256);havoc node7_#t~ite10#1;~mode7~0 := 1; 1122#L243-2 assume { :end_inline_node7 } true;assume { :begin_inline_node8 } true;havoc node8_#t~ite11#1, node8_~m8~0#1;havoc node8_~m8~0#1;node8_~m8~0#1 := ~nomsg~0; 1121#L268 assume 0 != ~mode8~0 % 256;node8_~m8~0#1 := ~p7_old~0;~p7_old~0 := ~nomsg~0; 1120#L271 assume !(node8_~m8~0#1 != ~nomsg~0); 1116#L271-1 ~mode8~0 := 0; 1114#L268-2 assume { :end_inline_node8 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~p8_new~0;~p8_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 1113#L548 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 + ~st8~0 <= 1; 1112#L549 assume !(~r1~0 >= 8); 1036#L552 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 + ~st8~0; 1037#L553 assume ~r1~0 < 8;check_~tmp~1#1 := 1; 1174#L548-1 check_#res#1 := check_~tmp~1#1; 1173#L568 main_#t~ret46#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret46#1;havoc main_#t~ret46#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 1172#L669 assume !(0 == assert_~arg#1 % 256); 1171#L664 assume { :end_inline_assert } true;main_#t~post47#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post47#1;havoc main_#t~post47#1; 1098#L630-2 [2022-07-23 15:50:54,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:50:54,357 INFO L85 PathProgramCache]: Analyzing trace with hash 354076320, now seen corresponding path program 3 times [2022-07-23 15:50:54,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:50:54,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056667665] [2022-07-23 15:50:54,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:50:54,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:50:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:50:54,374 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:50:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:50:54,398 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:50:54,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:50:54,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1248910141, now seen corresponding path program 1 times [2022-07-23 15:50:54,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:50:54,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559365430] [2022-07-23 15:50:54,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:50:54,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:50:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:50:54,415 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:50:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:50:54,425 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:50:54,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:50:54,426 INFO L85 PathProgramCache]: Analyzing trace with hash -2069422844, now seen corresponding path program 1 times [2022-07-23 15:50:54,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:50:54,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064971744] [2022-07-23 15:50:54,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:50:54,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:50:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:50:54,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:50:54,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:50:54,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064971744] [2022-07-23 15:50:54,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064971744] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:50:54,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:50:54,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 15:50:54,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113031500] [2022-07-23 15:50:54,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:50:55,791 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:50:55,791 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:50:55,791 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:50:55,791 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:50:55,792 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 15:50:55,792 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:50:55,792 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:50:55,792 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:50:55,792 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.8.ufo.BOUNDED-16.pals.c_Iteration4_Loop [2022-07-23 15:50:55,792 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:50:55,792 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:50:55,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:55,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:55,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:55,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:55,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:55,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:55,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:55,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:55,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:50:56,881 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-07-23 15:51:03,668 WARN L233 SmtUtils]: Spent 6.74s on a formula simplification. DAG size of input: 180 DAG size of output: 160 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2022-07-23 15:51:03,848 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:51:03,848 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 15:51:03,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:03,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:03,857 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) [2022-07-23 15:51:03,858 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 [2022-07-23 15:51:03,859 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:51:03,859 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:51:03,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-23 15:51:03,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:03,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:03,886 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) [2022-07-23 15:51:03,892 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 15:51:03,892 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:51:03,892 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 [2022-07-23 15:51:04,023 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 15:51:04,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-07-23 15:51:04,027 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:51:04,027 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:51:04,027 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:51:04,027 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:51:04,027 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 15:51:04,027 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:04,027 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:51:04,027 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:51:04,027 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.8.ufo.BOUNDED-16.pals.c_Iteration4_Loop [2022-07-23 15:51:04,027 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:51:04,028 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:51:04,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:04,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:51:05,086 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-07-23 15:51:10,655 WARN L233 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 180 DAG size of output: 160 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2022-07-23 15:51:10,724 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:51:10,727 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 15:51:10,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:10,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:10,736 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) [2022-07-23 15:51:10,738 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 [2022-07-23 15:51:10,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:51:10,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:51:10,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:51:10,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:51:10,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:51:10,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:51:10,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:51:10,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:51:10,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:51:10,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-23 15:51:10,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:10,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:10,792 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) [2022-07-23 15:51:10,793 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 [2022-07-23 15:51:10,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:51:10,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:51:10,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:51:10,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:51:10,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:51:10,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:51:10,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:51:10,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:51:10,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:51:10,844 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 [2022-07-23 15:51:10,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:10,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:10,846 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) [2022-07-23 15:51:10,847 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 [2022-07-23 15:51:10,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:51:10,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:51:10,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:51:10,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:51:10,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:51:10,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:51:10,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:51:10,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:51:10,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:51:10,899 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 [2022-07-23 15:51:10,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:10,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:10,904 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) [2022-07-23 15:51:10,905 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 [2022-07-23 15:51:10,908 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 [2022-07-23 15:51:10,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:51:10,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:51:10,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:51:10,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:51:10,918 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:51:10,918 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:51:10,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:51:10,951 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 [2022-07-23 15:51:10,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:10,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:10,953 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) [2022-07-23 15:51:10,954 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 [2022-07-23 15:51:10,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:51:10,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:51:10,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:51:10,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:51:10,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:51:10,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:51:10,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:51:10,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:51:10,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:51:11,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-23 15:51:11,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:11,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:11,024 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) [2022-07-23 15:51:11,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:51:11,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:51:11,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:51:11,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:51:11,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:51:11,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:51:11,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:51:11,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:51:11,044 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 [2022-07-23 15:51:11,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:51:11,085 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 [2022-07-23 15:51:11,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:11,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:11,087 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) [2022-07-23 15:51:11,088 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 [2022-07-23 15:51:11,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:51:11,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:51:11,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:51:11,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:51:11,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:51:11,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:51:11,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:51:11,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:51:11,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:51:11,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-23 15:51:11,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:11,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:11,153 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) [2022-07-23 15:51:11,157 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 [2022-07-23 15:51:11,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:51:11,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:51:11,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:51:11,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:51:11,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:51:11,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:51:11,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:51:11,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:51:11,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:51:11,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-07-23 15:51:11,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:11,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:11,181 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) [2022-07-23 15:51:11,182 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 [2022-07-23 15:51:11,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:51:11,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:51:11,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:51:11,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:51:11,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:51:11,193 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:51:11,193 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:51:11,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:51:11,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-07-23 15:51:11,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:11,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:11,225 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) [2022-07-23 15:51:11,226 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 [2022-07-23 15:51:11,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:51:11,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:51:11,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:51:11,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:51:11,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:51:11,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:51:11,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:51:11,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:51:11,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:51:11,268 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 [2022-07-23 15:51:11,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:11,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:11,284 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) [2022-07-23 15:51:11,285 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 [2022-07-23 15:51:11,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:51:11,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:51:11,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:51:11,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:51:11,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:51:11,294 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:51:11,294 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:51:11,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:51:11,326 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 [2022-07-23 15:51:11,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:11,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:11,330 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) [2022-07-23 15:51:11,331 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 [2022-07-23 15:51:11,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:51:11,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:51:11,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:51:11,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:51:11,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:51:11,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:51:11,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:51:11,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:51:11,370 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 [2022-07-23 15:51:11,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:11,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:11,371 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) [2022-07-23 15:51:11,383 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 [2022-07-23 15:51:11,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:51:11,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:51:11,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:51:11,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:51:11,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:51:11,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:51:11,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:51:11,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:51:11,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:51:11,423 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 [2022-07-23 15:51:11,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:11,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:11,425 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) [2022-07-23 15:51:11,426 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 [2022-07-23 15:51:11,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:51:11,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:51:11,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:51:11,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:51:11,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:51:11,434 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:51:11,434 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:51:11,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:51:11,453 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 [2022-07-23 15:51:11,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:11,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:11,455 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) [2022-07-23 15:51:11,456 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 [2022-07-23 15:51:11,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:51:11,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:51:11,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:51:11,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:51:11,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:51:11,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:51:11,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:51:11,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:51:11,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:51:11,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-07-23 15:51:11,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:11,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:11,503 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) [2022-07-23 15:51:11,505 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 [2022-07-23 15:51:11,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:51:11,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:51:11,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:51:11,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:51:11,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:51:11,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:51:11,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:51:11,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:51:11,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-23 15:51:11,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:11,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:11,564 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) [2022-07-23 15:51:11,565 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 [2022-07-23 15:51:11,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:51:11,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:51:11,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:51:11,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:51:11,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:51:11,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:51:11,581 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:51:11,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:51:11,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-23 15:51:11,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:11,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:11,603 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) [2022-07-23 15:51:11,614 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 [2022-07-23 15:51:11,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:51:11,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:51:11,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:51:11,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:51:11,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:51:11,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:51:11,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:51:11,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:51:11,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:51:11,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-07-23 15:51:11,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:11,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:11,649 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) [2022-07-23 15:51:11,650 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 [2022-07-23 15:51:11,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:51:11,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:51:11,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:51:11,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:51:11,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:51:11,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:51:11,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:51:11,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:51:11,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:51:11,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-07-23 15:51:11,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:11,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:11,686 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:51:11,686 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 [2022-07-23 15:51:11,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:51:11,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:51:11,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:51:11,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:51:11,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:51:11,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:51:11,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:51:11,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:51:11,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:51:11,710 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-07-23 15:51:11,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:11,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:11,711 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) [2022-07-23 15:51:11,712 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 [2022-07-23 15:51:11,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:51:11,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:51:11,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:51:11,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:51:11,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:51:11,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:51:11,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:51:11,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:51:11,722 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 15:51:11,725 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-23 15:51:11,726 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-23 15:51:11,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:51:11,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:51:11,728 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) [2022-07-23 15:51:11,729 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 [2022-07-23 15:51:11,730 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 15:51:11,730 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-23 15:51:11,730 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 15:51:11,730 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 31 Supporting invariants [] [2022-07-23 15:51:11,746 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 [2022-07-23 15:51:11,748 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-23 15:51:11,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:51:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:51:11,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 15:51:11,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:51:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:51:11,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 15:51:11,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:51:12,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:51:12,005 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-23 15:51:12,006 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 209 states and 288 transitions. cyclomatic complexity: 80 Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2022-07-23 15:51:12,096 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 209 states and 288 transitions. cyclomatic complexity: 80. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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 350 states and 509 transitions. Complement of second has 4 states. [2022-07-23 15:51:12,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-23 15:51:12,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2022-07-23 15:51:12,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 183 transitions. [2022-07-23 15:51:12,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 183 transitions. Stem has 67 letters. Loop has 41 letters. [2022-07-23 15:51:12,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:51:12,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 183 transitions. Stem has 108 letters. Loop has 41 letters. [2022-07-23 15:51:12,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:51:12,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 183 transitions. Stem has 67 letters. Loop has 82 letters. [2022-07-23 15:51:12,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:51:12,106 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 350 states and 509 transitions. [2022-07-23 15:51:12,111 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 15:51:12,112 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 350 states to 0 states and 0 transitions. [2022-07-23 15:51:12,112 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-23 15:51:12,112 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-23 15:51:12,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-23 15:51:12,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:51:12,112 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:51:12,112 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:51:12,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:51:12,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 15:51:12,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 15:51:12,112 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2022-07-23 15:51:12,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:51:12,113 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-07-23 15:51:12,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-23 15:51:12,113 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-07-23 15:51:12,113 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 15:51:12,113 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-07-23 15:51:12,113 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-23 15:51:12,113 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-23 15:51:12,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-23 15:51:12,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:51:12,113 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:51:12,113 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:51:12,113 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:51:12,113 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-23 15:51:12,113 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-23 15:51:12,113 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 15:51:12,114 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-23 15:51:12,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.07 03:51:12 BoogieIcfgContainer [2022-07-23 15:51:12,117 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-23 15:51:12,118 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 15:51:12,118 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 15:51:12,118 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 15:51:12,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:50:53" (3/4) ... [2022-07-23 15:51:12,120 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-23 15:51:12,120 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 15:51:12,120 INFO L158 Benchmark]: Toolchain (without parser) took 19667.51ms. Allocated memory was 113.2MB in the beginning and 213.9MB in the end (delta: 100.7MB). Free memory was 87.0MB in the beginning and 107.2MB in the end (delta: -20.2MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. [2022-07-23 15:51:12,120 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 113.2MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:51:12,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.20ms. Allocated memory was 113.2MB in the beginning and 146.8MB in the end (delta: 33.6MB). Free memory was 86.7MB in the beginning and 114.1MB in the end (delta: -27.4MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2022-07-23 15:51:12,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.28ms. Allocated memory is still 146.8MB. Free memory was 113.9MB in the beginning and 110.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-23 15:51:12,121 INFO L158 Benchmark]: Boogie Preprocessor took 24.58ms. Allocated memory is still 146.8MB. Free memory was 110.8MB in the beginning and 108.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 15:51:12,121 INFO L158 Benchmark]: RCFGBuilder took 460.01ms. Allocated memory is still 146.8MB. Free memory was 108.2MB in the beginning and 80.3MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-07-23 15:51:12,122 INFO L158 Benchmark]: BuchiAutomizer took 18769.76ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 79.8MB in the beginning and 107.2MB in the end (delta: -27.4MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2022-07-23 15:51:12,122 INFO L158 Benchmark]: Witness Printer took 1.98ms. Allocated memory is still 213.9MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:51:12,123 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 113.2MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.20ms. Allocated memory was 113.2MB in the beginning and 146.8MB in the end (delta: 33.6MB). Free memory was 86.7MB in the beginning and 114.1MB in the end (delta: -27.4MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.28ms. Allocated memory is still 146.8MB. Free memory was 113.9MB in the beginning and 110.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.58ms. Allocated memory is still 146.8MB. Free memory was 110.8MB in the beginning and 108.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 460.01ms. Allocated memory is still 146.8MB. Free memory was 108.2MB in the beginning and 80.3MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 18769.76ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 79.8MB in the beginning and 107.2MB in the end (delta: -27.4MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * Witness Printer took 1.98ms. Allocated memory is still 213.9MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 31 + -2 * i2 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 18.7s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 18.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 406 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 405 mSDsluCounter, 2414 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1519 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 895 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital259 mio100 ax137 hnf100 lsp49 ukn85 mio100 lsp100 div141 bol100 ite100 ukn100 eq184 hnf91 smp81 dnf3144 smp42 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-23 15:51:12,142 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 [2022-07-23 15:51:12,347 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