./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ae007674 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-var-start-time.5.ufo.BOUNDED-10.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 5e99154d55f7fd098c0e840b496605adea5c7214bf70234e7c54dceeadfa306b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 09:49:33,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 09:49:33,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 09:49:33,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 09:49:33,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 09:49:33,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 09:49:33,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 09:49:33,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 09:49:33,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 09:49:33,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 09:49:33,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 09:49:33,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 09:49:33,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 09:49:33,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 09:49:33,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 09:49:33,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 09:49:33,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 09:49:33,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 09:49:33,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 09:49:33,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 09:49:33,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 09:49:33,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 09:49:33,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 09:49:33,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 09:49:33,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 09:49:33,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 09:49:33,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 09:49:33,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 09:49:33,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 09:49:33,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 09:49:33,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 09:49:33,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 09:49:33,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 09:49:33,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 09:49:33,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 09:49:33,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 09:49:33,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 09:49:33,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 09:49:33,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 09:49:33,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 09:49:33,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 09:49:33,354 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-28 09:49:33,370 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 09:49:33,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 09:49:33,371 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 09:49:33,371 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 09:49:33,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 09:49:33,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 09:49:33,372 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 09:49:33,372 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-28 09:49:33,372 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-28 09:49:33,373 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-28 09:49:33,373 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-28 09:49:33,373 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-28 09:49:33,373 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-28 09:49:33,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 09:49:33,373 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 09:49:33,374 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 09:49:33,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 09:49:33,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 09:49:33,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 09:49:33,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-28 09:49:33,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-28 09:49:33,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-28 09:49:33,375 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 09:49:33,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 09:49:33,375 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-28 09:49:33,375 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 09:49:33,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-28 09:49:33,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 09:49:33,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 09:49:33,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 09:49:33,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 09:49:33,377 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-28 09:49:33,377 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e99154d55f7fd098c0e840b496605adea5c7214bf70234e7c54dceeadfa306b [2021-12-28 09:49:33,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 09:49:33,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 09:49:33,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 09:49:33,692 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 09:49:33,692 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 09:49:33,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c [2021-12-28 09:49:33,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e2413bc3/7517001f83a44c00a57a888a445d9ed9/FLAG6750eb612 [2021-12-28 09:49:34,143 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 09:49:34,144 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c [2021-12-28 09:49:34,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e2413bc3/7517001f83a44c00a57a888a445d9ed9/FLAG6750eb612 [2021-12-28 09:49:34,171 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e2413bc3/7517001f83a44c00a57a888a445d9ed9 [2021-12-28 09:49:34,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 09:49:34,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 09:49:34,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 09:49:34,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 09:49:34,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 09:49:34,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:49:34" (1/1) ... [2021-12-28 09:49:34,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b7bc9a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:34, skipping insertion in model container [2021-12-28 09:49:34,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:49:34" (1/1) ... [2021-12-28 09:49:34,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 09:49:34,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 09:49:34,417 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-var-start-time.5.ufo.BOUNDED-10.pals.c[12751,12764] [2021-12-28 09:49:34,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:49:34,450 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 09:49:34,501 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-var-start-time.5.ufo.BOUNDED-10.pals.c[12751,12764] [2021-12-28 09:49:34,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:49:34,512 INFO L208 MainTranslator]: Completed translation [2021-12-28 09:49:34,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:34 WrapperNode [2021-12-28 09:49:34,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 09:49:34,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 09:49:34,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 09:49:34,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 09:49:34,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:34" (1/1) ... [2021-12-28 09:49:34,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:34" (1/1) ... [2021-12-28 09:49:34,577 INFO L137 Inliner]: procedures = 24, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 372 [2021-12-28 09:49:34,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 09:49:34,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 09:49:34,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 09:49:34,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 09:49:34,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:34" (1/1) ... [2021-12-28 09:49:34,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:34" (1/1) ... [2021-12-28 09:49:34,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:34" (1/1) ... [2021-12-28 09:49:34,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:34" (1/1) ... [2021-12-28 09:49:34,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:34" (1/1) ... [2021-12-28 09:49:34,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:34" (1/1) ... [2021-12-28 09:49:34,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:34" (1/1) ... [2021-12-28 09:49:34,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 09:49:34,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 09:49:34,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 09:49:34,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 09:49:34,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:34" (1/1) ... [2021-12-28 09:49:34,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:34,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:34,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:34,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-28 09:49:34,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 09:49:34,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 09:49:34,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 09:49:34,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 09:49:34,763 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 09:49:34,764 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 09:49:35,105 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 09:49:35,124 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 09:49:35,124 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 09:49:35,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:49:35 BoogieIcfgContainer [2021-12-28 09:49:35,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 09:49:35,127 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-28 09:49:35,127 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-28 09:49:35,132 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-28 09:49:35,133 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:49:35,133 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.12 09:49:34" (1/3) ... [2021-12-28 09:49:35,133 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41f0f6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:49:35, skipping insertion in model container [2021-12-28 09:49:35,134 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:49:35,134 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:34" (2/3) ... [2021-12-28 09:49:35,134 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41f0f6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:49:35, skipping insertion in model container [2021-12-28 09:49:35,134 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:49:35,134 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:49:35" (3/3) ... [2021-12-28 09:49:35,135 INFO L388 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c [2021-12-28 09:49:35,171 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-28 09:49:35,172 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-28 09:49:35,172 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-28 09:49:35,172 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-28 09:49:35,172 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-28 09:49:35,172 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-28 09:49:35,172 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-28 09:49:35,172 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-28 09:49:35,185 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 121 states, 120 states have (on average 1.7) internal successors, (204), 120 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:49:35,209 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 79 [2021-12-28 09:49:35,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:49:35,209 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:49:35,214 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:49:35,215 INFO L843 BuchiCegarLoop]: 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] [2021-12-28 09:49:35,215 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-28 09:49:35,216 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 121 states, 120 states have (on average 1.7) internal successors, (204), 120 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:49:35,224 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 79 [2021-12-28 09:49:35,224 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:49:35,224 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:49:35,225 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:49:35,225 INFO L843 BuchiCegarLoop]: 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] [2021-12-28 09:49:35,237 INFO L791 eck$LassoCheckResult]: Stem: 107#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(48, 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;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0; 34#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc 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~ret40#1, main_#t~ret41#1, main_#t~post42#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~nondet14#1;havoc main_#t~nondet14#1;~id1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~id2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~st2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~send2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~id3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~send3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~mode3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~alive3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~id4~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~st4~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~send4~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~mode4~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~alive4~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~id5~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~st5~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~send5~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~mode5~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~alive5~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 61#L246true assume !(0 == ~r1~0);init_~tmp~0#1 := 0; 20#L246-1true init_#res#1 := init_~tmp~0#1; 17#L375true main_#t~ret40#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret40#1;havoc main_#t~ret40#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; 36#L22true assume !(0 == assume_abort_if_not_~cond#1); 91#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;main_~i2~0#1 := 0; 18#L444-2true [2021-12-28 09:49:35,238 INFO L793 eck$LassoCheckResult]: Loop: 18#L444-2true assume !!(main_~i2~0#1 < 10);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_#t~ite5#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 65#L76true 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 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 10#L80true assume !(node1_~m1~0#1 != ~nomsg~0); 105#L80-1true ~mode1~0 := 0; 110#L76-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite6#1, node2_#t~ite7#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 21#L111true assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 48#L114true assume !(node2_~m2~0#1 != ~nomsg~0); 89#L114-1true ~mode2~0 := 0; 92#L111-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite8#1, node3_#t~ite9#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 55#L145true assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 29#L148true assume !(node3_~m3~0#1 != ~nomsg~0); 101#L148-1true ~mode3~0 := 0; 49#L145-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite10#1, node4_#t~ite11#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 114#L179true assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 95#L182true assume !(node4_~m4~0#1 != ~nomsg~0); 122#L182-1true ~mode4~0 := 0; 24#L179-2true assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite12#1, node5_#t~ite13#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 115#L213true assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 99#L216true assume !(node5_~m5~0#1 != ~nomsg~0); 57#L216-1true ~mode5~0 := 0; 14#L213-2true assume { :end_inline_node5 } 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;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 44#L383true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1#1 := 0; 11#L383-1true check_#res#1 := check_~tmp~1#1; 76#L395true main_#t~ret41#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret41#1;havoc main_#t~ret41#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; 52#L474true assume !(0 == assert_~arg#1 % 256); 16#L469true assume { :end_inline_assert } true;main_#t~post42#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post42#1;havoc main_#t~post42#1; 18#L444-2true [2021-12-28 09:49:35,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:49:35,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1984313218, now seen corresponding path program 1 times [2021-12-28 09:49:35,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:49:35,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419100134] [2021-12-28 09:49:35,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:49:35,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:49:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:49:35,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:49:35,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:49:35,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419100134] [2021-12-28 09:49:35,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419100134] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:49:35,430 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:49:35,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 09:49:35,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101031137] [2021-12-28 09:49:35,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:49:35,435 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-28 09:49:35,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:49:35,438 INFO L85 PathProgramCache]: Analyzing trace with hash 738213390, now seen corresponding path program 1 times [2021-12-28 09:49:35,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:49:35,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5013126] [2021-12-28 09:49:35,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:49:35,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:49:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:49:35,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:49:35,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:49:35,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5013126] [2021-12-28 09:49:35,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5013126] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:49:35,591 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:49:35,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 09:49:35,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367556502] [2021-12-28 09:49:35,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:49:35,593 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-28 09:49:35,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:49:35,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 09:49:35,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 09:49:35,621 INFO L87 Difference]: Start difference. First operand has 121 states, 120 states have (on average 1.7) internal successors, (204), 120 states have internal predecessors, (204), 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) [2021-12-28 09:49:35,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:49:35,717 INFO L93 Difference]: Finished difference Result 124 states and 203 transitions. [2021-12-28 09:49:35,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 09:49:35,723 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 203 transitions. [2021-12-28 09:49:35,732 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 78 [2021-12-28 09:49:35,735 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 116 states and 164 transitions. [2021-12-28 09:49:35,736 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2021-12-28 09:49:35,738 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2021-12-28 09:49:35,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 164 transitions. [2021-12-28 09:49:35,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:49:35,740 INFO L681 BuchiCegarLoop]: Abstraction has 116 states and 164 transitions. [2021-12-28 09:49:35,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 164 transitions. [2021-12-28 09:49:35,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-12-28 09:49:35,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 116 states have (on average 1.4137931034482758) internal successors, (164), 115 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:49:35,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 164 transitions. [2021-12-28 09:49:35,769 INFO L704 BuchiCegarLoop]: Abstraction has 116 states and 164 transitions. [2021-12-28 09:49:35,769 INFO L587 BuchiCegarLoop]: Abstraction has 116 states and 164 transitions. [2021-12-28 09:49:35,770 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-28 09:49:35,770 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 164 transitions. [2021-12-28 09:49:35,771 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 78 [2021-12-28 09:49:35,771 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:49:35,771 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:49:35,773 INFO L842 BuchiCegarLoop]: 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] [2021-12-28 09:49:35,774 INFO L843 BuchiCegarLoop]: 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] [2021-12-28 09:49:35,774 INFO L791 eck$LassoCheckResult]: Stem: 378#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(48, 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;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0; 321#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc 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~ret40#1, main_#t~ret41#1, main_#t~post42#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~nondet14#1;havoc main_#t~nondet14#1;~id1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~id2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~st2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~send2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~id3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~send3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~mode3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~alive3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~id4~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~st4~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~send4~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~mode4~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~alive4~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~id5~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~st5~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~send5~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~mode5~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~alive5~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 322#L246 assume 0 == ~r1~0; 348#L247 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 >= 1; 376#L248 assume ~id1~0 >= 0; 268#L249 assume 0 == ~st1~0; 269#L250 assume ~send1~0 == ~id1~0; 363#L251 assume 0 == ~mode1~0 % 256; 332#L252 assume ~id2~0 >= 0; 333#L253 assume 0 == ~st2~0; 339#L254 assume ~send2~0 == ~id2~0; 293#L255 assume 0 == ~mode2~0 % 256; 294#L256 assume ~id3~0 >= 0; 334#L257 assume 0 == ~st3~0; 315#L258 assume ~send3~0 == ~id3~0; 316#L259 assume 0 == ~mode3~0 % 256; 353#L260 assume ~id4~0 >= 0; 354#L261 assume 0 == ~st4~0; 342#L262 assume ~send4~0 == ~id4~0; 343#L263 assume 0 == ~mode4~0 % 256; 346#L264 assume ~id5~0 >= 0; 347#L265 assume 0 == ~st5~0; 279#L266 assume ~send5~0 == ~id5~0; 280#L267 assume 0 == ~mode5~0 % 256; 299#L268 assume ~id1~0 != ~id2~0; 300#L269 assume ~id1~0 != ~id3~0; 272#L270 assume ~id1~0 != ~id4~0; 273#L271 assume ~id1~0 != ~id5~0; 317#L272 assume ~id2~0 != ~id3~0; 325#L273 assume ~id2~0 != ~id4~0; 345#L274 assume ~id2~0 != ~id5~0; 368#L275 assume ~id3~0 != ~id4~0; 263#L276 assume ~id3~0 != ~id5~0; 264#L277 assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1; 295#L246-1 init_#res#1 := init_~tmp~0#1; 290#L375 main_#t~ret40#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret40#1;havoc main_#t~ret40#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; 291#L22 assume !(0 == assume_abort_if_not_~cond#1); 324#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;main_~i2~0#1 := 0; 289#L444-2 [2021-12-28 09:49:35,774 INFO L793 eck$LassoCheckResult]: Loop: 289#L444-2 assume !!(main_~i2~0#1 < 10);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_#t~ite5#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 292#L76 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 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 274#L80 assume !(node1_~m1~0#1 != ~nomsg~0); 276#L80-1 ~mode1~0 := 0; 377#L76-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite6#1, node2_#t~ite7#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 296#L111 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 297#L114 assume !(node2_~m2~0#1 != ~nomsg~0); 308#L114-1 ~mode2~0 := 0; 373#L111-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite8#1, node3_#t~ite9#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 344#L145 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 313#L148 assume !(node3_~m3~0#1 != ~nomsg~0); 271#L148-1 ~mode3~0 := 0; 306#L145-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite10#1, node4_#t~ite11#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 338#L179 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 374#L182 assume !(node4_~m4~0#1 != ~nomsg~0); 311#L182-1 ~mode4~0 := 0; 304#L179-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite12#1, node5_#t~ite13#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 305#L213 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 375#L216 assume !(node5_~m5~0#1 != ~nomsg~0); 302#L216-1 ~mode5~0 := 0; 284#L213-2 assume { :end_inline_node5 } 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;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 285#L383 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1#1 := 0; 277#L383-1 check_#res#1 := check_~tmp~1#1; 278#L395 main_#t~ret41#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret41#1;havoc main_#t~ret41#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; 341#L474 assume !(0 == assert_~arg#1 % 256); 288#L469 assume { :end_inline_assert } true;main_#t~post42#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post42#1;havoc main_#t~post42#1; 289#L444-2 [2021-12-28 09:49:35,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:49:35,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1707437673, now seen corresponding path program 1 times [2021-12-28 09:49:35,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:49:35,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575156771] [2021-12-28 09:49:35,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:49:35,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:49:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:49:35,818 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:49:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:49:35,872 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:49:35,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:49:35,873 INFO L85 PathProgramCache]: Analyzing trace with hash 738213390, now seen corresponding path program 2 times [2021-12-28 09:49:35,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:49:35,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498631810] [2021-12-28 09:49:35,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:49:35,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:49:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:49:35,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:49:35,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:49:35,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498631810] [2021-12-28 09:49:35,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498631810] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:49:35,950 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:49:35,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 09:49:35,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780783384] [2021-12-28 09:49:35,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:49:35,950 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-28 09:49:35,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:49:35,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 09:49:35,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 09:49:35,951 INFO L87 Difference]: Start difference. First operand 116 states and 164 transitions. cyclomatic complexity: 49 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:49:35,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:49:35,985 INFO L93 Difference]: Finished difference Result 119 states and 166 transitions. [2021-12-28 09:49:35,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 09:49:35,986 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119 states and 166 transitions. [2021-12-28 09:49:35,986 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 78 [2021-12-28 09:49:35,987 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119 states to 116 states and 162 transitions. [2021-12-28 09:49:35,987 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2021-12-28 09:49:35,988 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2021-12-28 09:49:35,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 162 transitions. [2021-12-28 09:49:35,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:49:35,989 INFO L681 BuchiCegarLoop]: Abstraction has 116 states and 162 transitions. [2021-12-28 09:49:35,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 162 transitions. [2021-12-28 09:49:35,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-12-28 09:49:35,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 116 states have (on average 1.396551724137931) internal successors, (162), 115 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:49:35,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 162 transitions. [2021-12-28 09:49:35,992 INFO L704 BuchiCegarLoop]: Abstraction has 116 states and 162 transitions. [2021-12-28 09:49:35,993 INFO L587 BuchiCegarLoop]: Abstraction has 116 states and 162 transitions. [2021-12-28 09:49:35,993 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-28 09:49:35,993 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 162 transitions. [2021-12-28 09:49:35,994 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 78 [2021-12-28 09:49:35,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:49:35,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:49:35,995 INFO L842 BuchiCegarLoop]: 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] [2021-12-28 09:49:35,995 INFO L843 BuchiCegarLoop]: 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] [2021-12-28 09:49:35,995 INFO L791 eck$LassoCheckResult]: Stem: 625#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(48, 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;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0; 568#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc 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~ret40#1, main_#t~ret41#1, main_#t~post42#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~nondet14#1;havoc main_#t~nondet14#1;~id1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~id2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~st2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~send2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~id3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~send3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~mode3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~alive3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~id4~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~st4~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~send4~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~mode4~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~alive4~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~id5~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~st5~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~send5~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~mode5~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~alive5~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 569#L246 assume 0 == ~r1~0; 595#L247 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 >= 1; 623#L248 assume ~id1~0 >= 0; 515#L249 assume 0 == ~st1~0; 516#L250 assume ~send1~0 == ~id1~0; 610#L251 assume 0 == ~mode1~0 % 256; 579#L252 assume ~id2~0 >= 0; 580#L253 assume 0 == ~st2~0; 586#L254 assume ~send2~0 == ~id2~0; 540#L255 assume 0 == ~mode2~0 % 256; 541#L256 assume ~id3~0 >= 0; 581#L257 assume 0 == ~st3~0; 562#L258 assume ~send3~0 == ~id3~0; 563#L259 assume 0 == ~mode3~0 % 256; 600#L260 assume ~id4~0 >= 0; 601#L261 assume 0 == ~st4~0; 589#L262 assume ~send4~0 == ~id4~0; 590#L263 assume 0 == ~mode4~0 % 256; 593#L264 assume ~id5~0 >= 0; 594#L265 assume 0 == ~st5~0; 526#L266 assume ~send5~0 == ~id5~0; 527#L267 assume 0 == ~mode5~0 % 256; 546#L268 assume ~id1~0 != ~id2~0; 547#L269 assume ~id1~0 != ~id3~0; 519#L270 assume ~id1~0 != ~id4~0; 520#L271 assume ~id1~0 != ~id5~0; 564#L272 assume ~id2~0 != ~id3~0; 572#L273 assume ~id2~0 != ~id4~0; 592#L274 assume ~id2~0 != ~id5~0; 615#L275 assume ~id3~0 != ~id4~0; 510#L276 assume ~id3~0 != ~id5~0; 511#L277 assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1; 542#L246-1 init_#res#1 := init_~tmp~0#1; 537#L375 main_#t~ret40#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret40#1;havoc main_#t~ret40#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; 538#L22 assume !(0 == assume_abort_if_not_~cond#1); 571#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;main_~i2~0#1 := 0; 536#L444-2 [2021-12-28 09:49:35,995 INFO L793 eck$LassoCheckResult]: Loop: 536#L444-2 assume !!(main_~i2~0#1 < 10);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_#t~ite5#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 539#L76 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 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 521#L80 assume !(node1_~m1~0#1 != ~nomsg~0); 523#L80-1 ~mode1~0 := 0; 624#L76-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite6#1, node2_#t~ite7#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 543#L111 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 544#L114 assume !(node2_~m2~0#1 != ~nomsg~0); 555#L114-1 ~mode2~0 := 0; 620#L111-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite8#1, node3_#t~ite9#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 591#L145 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 560#L148 assume !(node3_~m3~0#1 != ~nomsg~0); 518#L148-1 ~mode3~0 := 0; 553#L145-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite10#1, node4_#t~ite11#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 585#L179 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 621#L182 assume !(node4_~m4~0#1 != ~nomsg~0); 558#L182-1 ~mode4~0 := 0; 551#L179-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite12#1, node5_#t~ite13#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 552#L213 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 622#L216 assume !(node5_~m5~0#1 != ~nomsg~0); 549#L216-1 ~mode5~0 := 0; 531#L213-2 assume { :end_inline_node5 } 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;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 532#L383 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 582#L384 assume ~r1~0 < 5;check_~tmp~1#1 := 1; 524#L383-1 check_#res#1 := check_~tmp~1#1; 525#L395 main_#t~ret41#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret41#1;havoc main_#t~ret41#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; 588#L474 assume !(0 == assert_~arg#1 % 256); 535#L469 assume { :end_inline_assert } true;main_#t~post42#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post42#1;havoc main_#t~post42#1; 536#L444-2 [2021-12-28 09:49:35,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:49:35,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1707437673, now seen corresponding path program 2 times [2021-12-28 09:49:35,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:49:35,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208283376] [2021-12-28 09:49:35,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:49:35,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:49:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:49:36,009 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:49:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:49:36,033 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:49:36,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:49:36,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1026451556, now seen corresponding path program 1 times [2021-12-28 09:49:36,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:49:36,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344476487] [2021-12-28 09:49:36,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:49:36,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:49:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:49:36,049 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:49:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:49:36,057 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:49:36,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:49:36,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1906603762, now seen corresponding path program 1 times [2021-12-28 09:49:36,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:49:36,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703781511] [2021-12-28 09:49:36,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:49:36,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:49:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:49:36,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:49:36,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:49:36,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703781511] [2021-12-28 09:49:36,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703781511] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:49:36,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:49:36,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 09:49:36,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953514455] [2021-12-28 09:49:36,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:49:36,810 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:49:36,810 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:49:36,810 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:49:36,810 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:49:36,810 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-28 09:49:36,811 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:36,811 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:49:36,811 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:49:36,811 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_Iteration3_Loop [2021-12-28 09:49:36,811 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:49:36,811 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:49:36,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:36,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:36,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:36,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:36,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:36,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:36,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:36,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:36,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:36,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:36,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:36,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:36,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:36,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:36,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:36,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:36,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:36,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:36,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:36,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:36,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:36,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:36,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,392 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:49:37,393 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-28 09:49:37,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:37,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:37,395 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:37,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-28 09:49:37,398 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:49:37,408 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:49:37,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:37,455 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:37,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:37,457 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:37,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-28 09:49:37,464 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-28 09:49:37,464 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:49:37,583 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-28 09:49:37,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:37,602 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:49:37,602 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:49:37,602 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:49:37,602 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:49:37,602 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-28 09:49:37,602 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:37,602 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:49:37,603 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:49:37,603 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_Iteration3_Loop [2021-12-28 09:49:37,603 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:49:37,603 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:49:37,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:37,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:38,147 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:49:38,150 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-28 09:49:38,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:38,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:38,152 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:38,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-28 09:49:38,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:38,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:38,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:38,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:38,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:38,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:38,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:38,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:38,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:38,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:38,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:38,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:38,204 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:38,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-28 09:49:38,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:38,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:38,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:38,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:38,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:38,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:38,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:38,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:38,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:38,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:38,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:38,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:38,233 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:38,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-28 09:49:38,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:38,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:38,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:38,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:38,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:38,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:38,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:38,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:38,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:38,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:38,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:38,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:38,262 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:38,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-28 09:49:38,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:38,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:38,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:38,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:38,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:38,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:38,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:38,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:38,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:38,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:38,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:38,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:38,292 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:38,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-28 09:49:38,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:38,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:38,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:38,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:38,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:38,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:38,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:38,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:38,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:38,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:38,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:38,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:38,320 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:38,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-28 09:49:38,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:38,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:38,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:38,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:38,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:38,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:38,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:38,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:38,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:38,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:38,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:38,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:38,351 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:38,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-28 09:49:38,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:38,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:38,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:38,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:38,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:38,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:38,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:38,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:38,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:38,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:38,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:38,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:38,384 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:38,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-28 09:49:38,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:38,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:38,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:38,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:38,392 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-28 09:49:38,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:38,394 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-28 09:49:38,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:38,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:38,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:38,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:38,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:38,414 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:38,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-28 09:49:38,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:38,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:38,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:38,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:38,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:38,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:38,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:38,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:38,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:38,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:38,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:38,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:38,445 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:38,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-28 09:49:38,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:38,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:38,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:38,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:38,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:38,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:38,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:38,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:38,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:38,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:38,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:38,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:38,472 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:38,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-28 09:49:38,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:38,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:38,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:38,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:38,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:38,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:38,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:38,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:38,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:38,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:38,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:38,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:38,505 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:38,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-28 09:49:38,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:38,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:38,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:38,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:38,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:38,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:38,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:38,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:38,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:38,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-28 09:49:38,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:38,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:38,542 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:38,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-28 09:49:38,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:38,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:38,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:38,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:38,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:38,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:38,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:38,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:38,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:38,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-28 09:49:38,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:38,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:38,583 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:38,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-28 09:49:38,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:38,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:38,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:38,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:38,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:38,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:38,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:38,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:38,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:38,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:38,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:38,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:38,623 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:38,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-28 09:49:38,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:38,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:38,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:38,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:38,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:38,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:38,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:38,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:38,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:38,655 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 [2021-12-28 09:49:38,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:38,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:38,656 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:38,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-28 09:49:38,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:38,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:38,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:38,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:38,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:38,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:38,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:38,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:38,667 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-28 09:49:38,680 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-28 09:49:38,680 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-28 09:49:38,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:38,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:38,682 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:38,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-28 09:49:38,684 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-28 09:49:38,685 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-28 09:49:38,685 INFO L513 LassoAnalysis]: Proved termination. [2021-12-28 09:49:38,685 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 19 Supporting invariants [] [2021-12-28 09:49:38,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:38,717 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-28 09:49:38,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:49:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:49:38,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 09:49:38,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:49:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:49:38,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-28 09:49:38,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:49:38,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:49:38,989 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-28 09:49:38,990 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 116 states and 162 transitions. cyclomatic complexity: 47 Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:49:39,039 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 116 states and 162 transitions. cyclomatic complexity: 47. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 194 states and 287 transitions. Complement of second has 4 states. [2021-12-28 09:49:39,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-28 09:49:39,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:49:39,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 162 transitions. [2021-12-28 09:49:39,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 162 transitions. Stem has 38 letters. Loop has 27 letters. [2021-12-28 09:49:39,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:49:39,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 162 transitions. Stem has 65 letters. Loop has 27 letters. [2021-12-28 09:49:39,045 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:49:39,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 162 transitions. Stem has 38 letters. Loop has 54 letters. [2021-12-28 09:49:39,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:49:39,048 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 194 states and 287 transitions. [2021-12-28 09:49:39,050 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-28 09:49:39,050 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 194 states to 0 states and 0 transitions. [2021-12-28 09:49:39,050 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-28 09:49:39,050 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-28 09:49:39,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-28 09:49:39,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:49:39,051 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:49:39,051 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:49:39,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:49:39,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 09:49:39,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 09:49:39,054 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:49:39,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:49:39,054 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-12-28 09:49:39,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-28 09:49:39,055 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-12-28 09:49:39,055 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-28 09:49:39,055 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-12-28 09:49:39,055 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-28 09:49:39,055 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-28 09:49:39,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-28 09:49:39,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:49:39,055 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:49:39,055 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:49:39,055 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:49:39,055 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-28 09:49:39,055 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-28 09:49:39,055 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-28 09:49:39,055 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-28 09:49:39,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.12 09:49:39 BoogieIcfgContainer [2021-12-28 09:49:39,061 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-28 09:49:39,061 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-28 09:49:39,061 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-28 09:49:39,061 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-28 09:49:39,062 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:49:35" (3/4) ... [2021-12-28 09:49:39,064 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-28 09:49:39,064 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-28 09:49:39,065 INFO L158 Benchmark]: Toolchain (without parser) took 4889.86ms. Allocated memory was 54.5MB in the beginning and 104.9MB in the end (delta: 50.3MB). Free memory was 31.4MB in the beginning and 38.4MB in the end (delta: -7.1MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2021-12-28 09:49:39,065 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 37.1MB in the beginning and 37.1MB in the end (delta: 34.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:49:39,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.56ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 31.2MB in the beginning and 51.5MB in the end (delta: -20.3MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2021-12-28 09:49:39,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.14ms. Allocated memory is still 71.3MB. Free memory was 51.4MB in the beginning and 48.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-28 09:49:39,070 INFO L158 Benchmark]: Boogie Preprocessor took 42.31ms. Allocated memory is still 71.3MB. Free memory was 48.7MB in the beginning and 46.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-28 09:49:39,070 INFO L158 Benchmark]: RCFGBuilder took 498.12ms. Allocated memory is still 71.3MB. Free memory was 46.6MB in the beginning and 41.0MB in the end (delta: 5.6MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2021-12-28 09:49:39,071 INFO L158 Benchmark]: BuchiAutomizer took 3934.25ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 40.7MB in the beginning and 38.4MB in the end (delta: 2.3MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2021-12-28 09:49:39,071 INFO L158 Benchmark]: Witness Printer took 3.00ms. Allocated memory is still 104.9MB. Free memory is still 38.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:49:39,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 37.1MB in the beginning and 37.1MB in the end (delta: 34.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.56ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 31.2MB in the beginning and 51.5MB in the end (delta: -20.3MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.14ms. Allocated memory is still 71.3MB. Free memory was 51.4MB in the beginning and 48.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.31ms. Allocated memory is still 71.3MB. Free memory was 48.7MB in the beginning and 46.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 498.12ms. Allocated memory is still 71.3MB. Free memory was 46.6MB in the beginning and 41.0MB in the end (delta: 5.6MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 3934.25ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 40.7MB in the beginning and 38.4MB in the end (delta: 2.3MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. * Witness Printer took 3.00ms. Allocated memory is still 104.9MB. Free memory is still 38.4MB. 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 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 19 + -2 * i2 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 116 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 166 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 165 mSDsluCounter, 1685 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1164 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 521 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital167 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div104 bol100 ite100 ukn100 eq218 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-28 09:49:39,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:39,312 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