./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.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 a44e961521da9b8f4535724e185f402d94bec27d495ab6df10e2b3c1ffa4513a --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 19:40:54,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 19:40:54,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 19:40:54,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 19:40:54,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 19:40:54,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 19:40:54,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 19:40:54,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 19:40:54,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 19:40:54,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 19:40:55,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 19:40:55,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 19:40:55,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 19:40:55,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 19:40:55,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 19:40:55,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 19:40:55,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 19:40:55,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 19:40:55,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 19:40:55,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 19:40:55,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 19:40:55,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 19:40:55,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 19:40:55,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 19:40:55,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 19:40:55,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 19:40:55,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 19:40:55,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 19:40:55,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 19:40:55,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 19:40:55,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 19:40:55,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 19:40:55,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 19:40:55,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 19:40:55,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 19:40:55,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 19:40:55,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 19:40:55,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 19:40:55,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 19:40:55,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 19:40:55,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 19:40:55,036 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-19 19:40:55,061 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 19:40:55,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 19:40:55,064 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 19:40:55,064 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 19:40:55,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 19:40:55,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 19:40:55,065 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 19:40:55,066 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-19 19:40:55,066 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-19 19:40:55,066 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-19 19:40:55,067 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-19 19:40:55,067 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-19 19:40:55,067 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-19 19:40:55,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 19:40:55,067 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-19 19:40:55,068 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 19:40:55,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 19:40:55,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-19 19:40:55,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 19:40:55,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-19 19:40:55,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-19 19:40:55,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-19 19:40:55,069 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-19 19:40:55,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 19:40:55,069 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-19 19:40:55,069 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 19:40:55,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-19 19:40:55,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 19:40:55,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 19:40:55,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 19:40:55,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 19:40:55,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 19:40:55,071 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-19 19:40:55,072 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a44e961521da9b8f4535724e185f402d94bec27d495ab6df10e2b3c1ffa4513a [2021-12-19 19:40:55,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 19:40:55,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 19:40:55,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 19:40:55,282 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 19:40:55,283 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 19:40:55,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2021-12-19 19:40:55,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7601ea8ff/fcb6ebe26cee46ca895b70bf8efc0da4/FLAG6fe66b7e2 [2021-12-19 19:40:55,722 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 19:40:55,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2021-12-19 19:40:55,755 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7601ea8ff/fcb6ebe26cee46ca895b70bf8efc0da4/FLAG6fe66b7e2 [2021-12-19 19:40:56,105 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7601ea8ff/fcb6ebe26cee46ca895b70bf8efc0da4 [2021-12-19 19:40:56,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 19:40:56,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 19:40:56,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 19:40:56,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 19:40:56,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 19:40:56,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 07:40:56" (1/1) ... [2021-12-19 19:40:56,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26fb3021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:40:56, skipping insertion in model container [2021-12-19 19:40:56,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 07:40:56" (1/1) ... [2021-12-19 19:40:56,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 19:40:56,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 19:40:56,374 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.6.ufo.BOUNDED-12.pals.c[16936,16949] [2021-12-19 19:40:56,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 19:40:56,385 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 19:40:56,446 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.6.ufo.BOUNDED-12.pals.c[16936,16949] [2021-12-19 19:40:56,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 19:40:56,457 INFO L208 MainTranslator]: Completed translation [2021-12-19 19:40:56,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:40:56 WrapperNode [2021-12-19 19:40:56,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 19:40:56,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 19:40:56,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 19:40:56,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 19:40:56,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:40:56" (1/1) ... [2021-12-19 19:40:56,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:40:56" (1/1) ... [2021-12-19 19:40:56,517 INFO L137 Inliner]: procedures = 25, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 440 [2021-12-19 19:40:56,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 19:40:56,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 19:40:56,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 19:40:56,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 19:40:56,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:40:56" (1/1) ... [2021-12-19 19:40:56,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:40:56" (1/1) ... [2021-12-19 19:40:56,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:40:56" (1/1) ... [2021-12-19 19:40:56,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:40:56" (1/1) ... [2021-12-19 19:40:56,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:40:56" (1/1) ... [2021-12-19 19:40:56,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:40:56" (1/1) ... [2021-12-19 19:40:56,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:40:56" (1/1) ... [2021-12-19 19:40:56,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 19:40:56,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 19:40:56,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 19:40:56,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 19:40:56,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:40:56" (1/1) ... [2021-12-19 19:40:56,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:40:56,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:40:56,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:40:56,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-19 19:40:56,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-19 19:40:56,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-19 19:40:56,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 19:40:56,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 19:40:56,755 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 19:40:56,756 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 19:40:57,168 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 19:40:57,178 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 19:40:57,179 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-19 19:40:57,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:40:57 BoogieIcfgContainer [2021-12-19 19:40:57,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 19:40:57,184 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-19 19:40:57,184 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-19 19:40:57,186 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-19 19:40:57,187 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:40:57,187 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.12 07:40:56" (1/3) ... [2021-12-19 19:40:57,188 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e09881d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 07:40:57, skipping insertion in model container [2021-12-19 19:40:57,188 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:40:57,189 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:40:56" (2/3) ... [2021-12-19 19:40:57,189 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e09881d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 07:40:57, skipping insertion in model container [2021-12-19 19:40:57,189 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:40:57,189 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:40:57" (3/3) ... [2021-12-19 19:40:57,190 INFO L388 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2021-12-19 19:40:57,228 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-19 19:40:57,228 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-19 19:40:57,228 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-19 19:40:57,229 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-19 19:40:57,229 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-19 19:40:57,229 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-19 19:40:57,229 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-19 19:40:57,229 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-19 19:40:57,245 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 144 states, 143 states have (on average 1.7132867132867133) internal successors, (245), 143 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:40:57,260 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2021-12-19 19:40:57,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:40:57,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:40:57,265 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:40:57,265 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, 1, 1, 1] [2021-12-19 19:40:57,265 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-19 19:40:57,266 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 144 states, 143 states have (on average 1.7132867132867133) internal successors, (245), 143 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:40:57,270 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2021-12-19 19:40:57,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:40:57,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:40:57,271 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:40:57,271 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, 1, 1, 1] [2021-12-19 19:40:57,276 INFO L791 eck$LassoCheckResult]: Stem: 123#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;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 39#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~ret47#1, main_#t~ret48#1, main_#t~post49#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~nondet16#1;havoc main_#t~nondet16#1;~id1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~send1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~mode1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~alive1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~id2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~st2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~send2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~mode2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~alive2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~alive3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~id4~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~st4~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~send4~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~mode4~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~alive4~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~id5~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~st5~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~send5~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~mode5~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~alive5~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~id6~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~st6~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~send6~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~mode6~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~alive6~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 27#L288true assume !(0 == ~r1~0);init_~tmp~0#1 := 0; 65#L288-1true init_#res#1 := init_~tmp~0#1; 43#L453true main_#t~ret47#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret47#1;havoc main_#t~ret47#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; 41#L22true assume 0 == assume_abort_if_not_~cond#1;assume false; 97#L21true assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 86#L529-2true [2021-12-19 19:40:57,276 INFO L793 eck$LassoCheckResult]: Loop: 86#L529-2true assume !!(main_~i2~0#1 < 12);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; 120#L84true 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 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 94#L88true assume !(node1_~m1~0#1 != ~nomsg~0); 116#L88-1true ~mode1~0 := 0; 26#L84-2true 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; 124#L119true assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 50#L122true assume !(node2_~m2~0#1 != ~nomsg~0); 42#L122-1true ~mode2~0 := 0; 45#L119-2true 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; 10#L153true assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 134#L156true assume !(node3_~m3~0#1 != ~nomsg~0); 100#L156-1true ~mode3~0 := 0; 128#L153-2true 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; 126#L187true assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 61#L190true assume !(node4_~m4~0#1 != ~nomsg~0); 98#L190-1true ~mode4~0 := 0; 85#L187-2true 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; 89#L221true assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 78#L224true assume !(node5_~m5~0#1 != ~nomsg~0); 125#L224-1true ~mode5~0 := 0; 59#L221-2true assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite14#1, node6_#t~ite15#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 20#L255true assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 33#L258true assume !(node6_~m6~0#1 != ~nomsg~0); 13#L258-1true ~mode6~0 := 0; 133#L255-2true assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 5#L461true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1#1 := 0; 49#L461-1true check_#res#1 := check_~tmp~1#1; 131#L473true main_#t~ret48#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret48#1;havoc main_#t~ret48#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; 84#L562true assume !(0 == assert_~arg#1 % 256); 142#L557true assume { :end_inline_assert } true;main_#t~post49#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post49#1;havoc main_#t~post49#1; 86#L529-2true [2021-12-19 19:40:57,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:40:57,282 INFO L85 PathProgramCache]: Analyzing trace with hash 2035845626, now seen corresponding path program 1 times [2021-12-19 19:40:57,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:40:57,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285998100] [2021-12-19 19:40:57,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:40:57,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:40:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:40:57,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:40:57,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:40:57,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285998100] [2021-12-19 19:40:57,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285998100] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:40:57,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:40:57,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-19 19:40:57,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855605943] [2021-12-19 19:40:57,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:40:57,395 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 19:40:57,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:40:57,397 INFO L85 PathProgramCache]: Analyzing trace with hash -373862285, now seen corresponding path program 1 times [2021-12-19 19:40:57,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:40:57,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728646048] [2021-12-19 19:40:57,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:40:57,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:40:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:40:57,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:40:57,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:40:57,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728646048] [2021-12-19 19:40:57,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728646048] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:40:57,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:40:57,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-19 19:40:57,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662352000] [2021-12-19 19:40:57,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:40:57,561 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-19 19:40:57,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:40:57,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-19 19:40:57,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-19 19:40:57,582 INFO L87 Difference]: Start difference. First operand has 144 states, 143 states have (on average 1.7132867132867133) internal successors, (245), 143 states have internal predecessors, (245), 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 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:40:57,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:40:57,593 INFO L93 Difference]: Finished difference Result 144 states and 242 transitions. [2021-12-19 19:40:57,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-19 19:40:57,597 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 144 states and 242 transitions. [2021-12-19 19:40:57,602 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-12-19 19:40:57,605 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 144 states to 139 states and 237 transitions. [2021-12-19 19:40:57,608 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2021-12-19 19:40:57,609 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2021-12-19 19:40:57,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 237 transitions. [2021-12-19 19:40:57,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:40:57,611 INFO L681 BuchiCegarLoop]: Abstraction has 139 states and 237 transitions. [2021-12-19 19:40:57,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 237 transitions. [2021-12-19 19:40:57,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2021-12-19 19:40:57,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 139 states have (on average 1.7050359712230216) internal successors, (237), 138 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:40:57,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 237 transitions. [2021-12-19 19:40:57,638 INFO L704 BuchiCegarLoop]: Abstraction has 139 states and 237 transitions. [2021-12-19 19:40:57,638 INFO L587 BuchiCegarLoop]: Abstraction has 139 states and 237 transitions. [2021-12-19 19:40:57,638 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-19 19:40:57,638 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 237 transitions. [2021-12-19 19:40:57,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-12-19 19:40:57,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:40:57,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:40:57,642 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:40:57,642 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, 1, 1, 1] [2021-12-19 19:40:57,642 INFO L791 eck$LassoCheckResult]: Stem: 435#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;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 365#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~ret47#1, main_#t~ret48#1, main_#t~post49#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~nondet16#1;havoc main_#t~nondet16#1;~id1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~send1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~mode1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~alive1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~id2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~st2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~send2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~mode2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~alive2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~alive3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~id4~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~st4~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~send4~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~mode4~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~alive4~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~id5~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~st5~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~send5~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~mode5~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~alive5~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~id6~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~st6~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~send6~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~mode6~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~alive6~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 349#L288 assume !(0 == ~r1~0);init_~tmp~0#1 := 0; 306#L288-1 init_#res#1 := init_~tmp~0#1; 370#L453 main_#t~ret47#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret47#1;havoc main_#t~ret47#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; 366#L22 assume !(0 == assume_abort_if_not_~cond#1); 367#L21 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 420#L529-2 [2021-12-19 19:40:57,642 INFO L793 eck$LassoCheckResult]: Loop: 420#L529-2 assume !!(main_~i2~0#1 < 12);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; 421#L84 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 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 425#L88 assume !(node1_~m1~0#1 != ~nomsg~0); 362#L88-1 ~mode1~0 := 0; 347#L84-2 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; 348#L119 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 376#L122 assume !(node2_~m2~0#1 != ~nomsg~0); 340#L122-1 ~mode2~0 := 0; 330#L119-2 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; 314#L153 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 315#L156 assume !(node3_~m3~0#1 != ~nomsg~0); 312#L156-1 ~mode3~0 := 0; 429#L153-2 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; 436#L187 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 387#L190 assume !(node4_~m4~0#1 != ~nomsg~0); 388#L190-1 ~mode4~0 := 0; 418#L187-2 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; 419#L221 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 410#L224 assume !(node5_~m5~0#1 != ~nomsg~0); 319#L224-1 ~mode5~0 := 0; 382#L221-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite14#1, node6_#t~ite15#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 331#L255 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 332#L258 assume !(node6_~m6~0#1 != ~nomsg~0); 322#L258-1 ~mode6~0 := 0; 323#L255-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 301#L461 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1#1 := 0; 302#L461-1 check_#res#1 := check_~tmp~1#1; 375#L473 main_#t~ret48#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret48#1;havoc main_#t~ret48#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; 416#L562 assume !(0 == assert_~arg#1 % 256); 417#L557 assume { :end_inline_assert } true;main_#t~post49#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post49#1;havoc main_#t~post49#1; 420#L529-2 [2021-12-19 19:40:57,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:40:57,643 INFO L85 PathProgramCache]: Analyzing trace with hash 2035845688, now seen corresponding path program 1 times [2021-12-19 19:40:57,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:40:57,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074622348] [2021-12-19 19:40:57,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:40:57,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:40:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:40:57,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:40:57,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:40:57,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074622348] [2021-12-19 19:40:57,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074622348] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:40:57,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:40:57,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-19 19:40:57,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624461868] [2021-12-19 19:40:57,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:40:57,680 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 19:40:57,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:40:57,681 INFO L85 PathProgramCache]: Analyzing trace with hash -373862285, now seen corresponding path program 2 times [2021-12-19 19:40:57,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:40:57,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130395147] [2021-12-19 19:40:57,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:40:57,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:40:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:40:57,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:40:57,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:40:57,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130395147] [2021-12-19 19:40:57,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130395147] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:40:57,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:40:57,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-19 19:40:57,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976413994] [2021-12-19 19:40:57,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:40:57,813 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-19 19:40:57,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:40:57,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-19 19:40:57,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-19 19:40:57,814 INFO L87 Difference]: Start difference. First operand 139 states and 237 transitions. cyclomatic complexity: 99 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) [2021-12-19 19:40:57,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:40:57,881 INFO L93 Difference]: Finished difference Result 142 states and 239 transitions. [2021-12-19 19:40:57,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-19 19:40:57,882 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 239 transitions. [2021-12-19 19:40:57,883 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-12-19 19:40:57,884 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 139 states and 196 transitions. [2021-12-19 19:40:57,884 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2021-12-19 19:40:57,884 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2021-12-19 19:40:57,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 196 transitions. [2021-12-19 19:40:57,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:40:57,885 INFO L681 BuchiCegarLoop]: Abstraction has 139 states and 196 transitions. [2021-12-19 19:40:57,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 196 transitions. [2021-12-19 19:40:57,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2021-12-19 19:40:57,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 139 states have (on average 1.410071942446043) internal successors, (196), 138 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:40:57,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 196 transitions. [2021-12-19 19:40:57,889 INFO L704 BuchiCegarLoop]: Abstraction has 139 states and 196 transitions. [2021-12-19 19:40:57,889 INFO L587 BuchiCegarLoop]: Abstraction has 139 states and 196 transitions. [2021-12-19 19:40:57,889 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-19 19:40:57,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 196 transitions. [2021-12-19 19:40:57,890 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-12-19 19:40:57,890 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:40:57,891 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:40:57,892 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:40:57,894 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, 1, 1, 1] [2021-12-19 19:40:57,894 INFO L791 eck$LassoCheckResult]: Stem: 731#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;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 660#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~ret47#1, main_#t~ret48#1, main_#t~post49#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~nondet16#1;havoc main_#t~nondet16#1;~id1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~send1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~mode1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~alive1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~id2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~st2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~send2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~mode2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~alive2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~alive3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~id4~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~st4~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~send4~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~mode4~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~alive4~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~id5~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~st5~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~send5~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~mode5~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~alive5~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~id6~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~st6~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~send6~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~mode6~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~alive6~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 645#L288 assume 0 == ~r1~0; 646#L289 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 655#L290 assume ~id1~0 >= 0; 704#L291 assume 0 == ~st1~0; 705#L292 assume ~send1~0 == ~id1~0; 720#L293 assume 0 == ~mode1~0 % 256; 730#L294 assume ~id2~0 >= 0; 604#L295 assume 0 == ~st2~0; 605#L296 assume ~send2~0 == ~id2~0; 654#L297 assume 0 == ~mode2~0 % 256; 651#L298 assume ~id3~0 >= 0; 652#L299 assume 0 == ~st3~0; 658#L300 assume ~send3~0 == ~id3~0; 693#L301 assume 0 == ~mode3~0 % 256; 716#L302 assume ~id4~0 >= 0; 717#L303 assume 0 == ~st4~0; 724#L304 assume ~send4~0 == ~id4~0; 686#L305 assume 0 == ~mode4~0 % 256; 687#L306 assume ~id5~0 >= 0; 703#L307 assume 0 == ~st5~0; 615#L308 assume ~send5~0 == ~id5~0; 616#L309 assume 0 == ~mode5~0 % 256; 700#L310 assume ~id6~0 >= 0; 672#L311 assume 0 == ~st6~0; 673#L312 assume ~send6~0 == ~id6~0; 637#L313 assume 0 == ~mode6~0 % 256; 638#L314 assume ~id1~0 != ~id2~0; 666#L315 assume ~id1~0 != ~id3~0; 667#L316 assume ~id1~0 != ~id4~0; 602#L317 assume ~id1~0 != ~id5~0; 603#L318 assume ~id1~0 != ~id6~0; 733#L319 assume ~id2~0 != ~id3~0; 713#L320 assume ~id2~0 != ~id4~0; 688#L321 assume ~id2~0 != ~id5~0; 689#L322 assume ~id2~0 != ~id6~0; 600#L323 assume ~id3~0 != ~id4~0; 601#L324 assume ~id3~0 != ~id5~0; 623#L325 assume ~id3~0 != ~id6~0; 647#L326 assume ~id4~0 != ~id5~0; 632#L327 assume ~id4~0 != ~id6~0; 633#L328 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 692#L288-1 init_#res#1 := init_~tmp~0#1; 665#L453 main_#t~ret47#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret47#1;havoc main_#t~ret47#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; 661#L22 assume !(0 == assume_abort_if_not_~cond#1); 662#L21 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 718#L529-2 [2021-12-19 19:40:57,899 INFO L793 eck$LassoCheckResult]: Loop: 718#L529-2 assume !!(main_~i2~0#1 < 12);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; 719#L84 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 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 721#L88 assume !(node1_~m1~0#1 != ~nomsg~0); 657#L88-1 ~mode1~0 := 0; 642#L84-2 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; 643#L119 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 671#L122 assume !(node2_~m2~0#1 != ~nomsg~0); 635#L122-1 ~mode2~0 := 0; 625#L119-2 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; 609#L153 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 610#L156 assume !(node3_~m3~0#1 != ~nomsg~0); 607#L156-1 ~mode3~0 := 0; 725#L153-2 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; 732#L187 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 682#L190 assume !(node4_~m4~0#1 != ~nomsg~0); 683#L190-1 ~mode4~0 := 0; 714#L187-2 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; 715#L221 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 706#L224 assume !(node5_~m5~0#1 != ~nomsg~0); 614#L224-1 ~mode5~0 := 0; 680#L221-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite14#1, node6_#t~ite15#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 626#L255 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 627#L258 assume !(node6_~m6~0#1 != ~nomsg~0); 617#L258-1 ~mode6~0 := 0; 618#L255-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 597#L461 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1#1 := 0; 598#L461-1 check_#res#1 := check_~tmp~1#1; 670#L473 main_#t~ret48#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret48#1;havoc main_#t~ret48#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; 711#L562 assume !(0 == assert_~arg#1 % 256); 712#L557 assume { :end_inline_assert } true;main_#t~post49#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post49#1;havoc main_#t~post49#1; 718#L529-2 [2021-12-19 19:40:57,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:40:57,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 1 times [2021-12-19 19:40:57,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:40:57,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833566608] [2021-12-19 19:40:57,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:40:57,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:40:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:40:57,924 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:40:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:40:57,971 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:40:57,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:40:57,972 INFO L85 PathProgramCache]: Analyzing trace with hash -373862285, now seen corresponding path program 3 times [2021-12-19 19:40:57,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:40:57,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342814785] [2021-12-19 19:40:57,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:40:57,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:40:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:40:58,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:40:58,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:40:58,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342814785] [2021-12-19 19:40:58,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342814785] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:40:58,058 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:40:58,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-19 19:40:58,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147111704] [2021-12-19 19:40:58,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:40:58,059 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-19 19:40:58,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:40:58,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-19 19:40:58,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-19 19:40:58,060 INFO L87 Difference]: Start difference. First operand 139 states and 196 transitions. cyclomatic complexity: 58 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:40:58,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:40:58,089 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2021-12-19 19:40:58,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-19 19:40:58,091 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 198 transitions. [2021-12-19 19:40:58,092 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-12-19 19:40:58,094 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 139 states and 194 transitions. [2021-12-19 19:40:58,095 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2021-12-19 19:40:58,095 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2021-12-19 19:40:58,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 194 transitions. [2021-12-19 19:40:58,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:40:58,099 INFO L681 BuchiCegarLoop]: Abstraction has 139 states and 194 transitions. [2021-12-19 19:40:58,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 194 transitions. [2021-12-19 19:40:58,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2021-12-19 19:40:58,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 139 states have (on average 1.39568345323741) internal successors, (194), 138 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:40:58,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 194 transitions. [2021-12-19 19:40:58,112 INFO L704 BuchiCegarLoop]: Abstraction has 139 states and 194 transitions. [2021-12-19 19:40:58,112 INFO L587 BuchiCegarLoop]: Abstraction has 139 states and 194 transitions. [2021-12-19 19:40:58,112 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-19 19:40:58,112 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 194 transitions. [2021-12-19 19:40:58,113 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-12-19 19:40:58,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:40:58,113 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:40:58,114 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:40:58,114 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, 1, 1, 1, 1] [2021-12-19 19:40:58,114 INFO L791 eck$LassoCheckResult]: Stem: 1024#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;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 952#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~ret47#1, main_#t~ret48#1, main_#t~post49#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~nondet16#1;havoc main_#t~nondet16#1;~id1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~send1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~mode1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~alive1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~id2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~st2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~send2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~mode2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~alive2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~alive3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~id4~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~st4~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~send4~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~mode4~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~alive4~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~id5~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~st5~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~send5~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~mode5~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~alive5~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~id6~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~st6~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~send6~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~mode6~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~alive6~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 937#L288 assume 0 == ~r1~0; 938#L289 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 947#L290 assume ~id1~0 >= 0; 997#L291 assume 0 == ~st1~0; 998#L292 assume ~send1~0 == ~id1~0; 1013#L293 assume 0 == ~mode1~0 % 256; 1023#L294 assume ~id2~0 >= 0; 896#L295 assume 0 == ~st2~0; 897#L296 assume ~send2~0 == ~id2~0; 946#L297 assume 0 == ~mode2~0 % 256; 943#L298 assume ~id3~0 >= 0; 944#L299 assume 0 == ~st3~0; 950#L300 assume ~send3~0 == ~id3~0; 986#L301 assume 0 == ~mode3~0 % 256; 1011#L302 assume ~id4~0 >= 0; 1012#L303 assume 0 == ~st4~0; 1017#L304 assume ~send4~0 == ~id4~0; 979#L305 assume 0 == ~mode4~0 % 256; 980#L306 assume ~id5~0 >= 0; 996#L307 assume 0 == ~st5~0; 907#L308 assume ~send5~0 == ~id5~0; 908#L309 assume 0 == ~mode5~0 % 256; 993#L310 assume ~id6~0 >= 0; 965#L311 assume 0 == ~st6~0; 966#L312 assume ~send6~0 == ~id6~0; 929#L313 assume 0 == ~mode6~0 % 256; 930#L314 assume ~id1~0 != ~id2~0; 958#L315 assume ~id1~0 != ~id3~0; 959#L316 assume ~id1~0 != ~id4~0; 894#L317 assume ~id1~0 != ~id5~0; 895#L318 assume ~id1~0 != ~id6~0; 1026#L319 assume ~id2~0 != ~id3~0; 1004#L320 assume ~id2~0 != ~id4~0; 981#L321 assume ~id2~0 != ~id5~0; 982#L322 assume ~id2~0 != ~id6~0; 892#L323 assume ~id3~0 != ~id4~0; 893#L324 assume ~id3~0 != ~id5~0; 912#L325 assume ~id3~0 != ~id6~0; 939#L326 assume ~id4~0 != ~id5~0; 924#L327 assume ~id4~0 != ~id6~0; 925#L328 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 983#L288-1 init_#res#1 := init_~tmp~0#1; 955#L453 main_#t~ret47#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret47#1;havoc main_#t~ret47#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; 953#L22 assume !(0 == assume_abort_if_not_~cond#1); 954#L21 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 1009#L529-2 [2021-12-19 19:40:58,114 INFO L793 eck$LassoCheckResult]: Loop: 1009#L529-2 assume !!(main_~i2~0#1 < 12);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; 1010#L84 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 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 1014#L88 assume !(node1_~m1~0#1 != ~nomsg~0); 949#L88-1 ~mode1~0 := 0; 934#L84-2 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; 935#L119 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 964#L122 assume !(node2_~m2~0#1 != ~nomsg~0); 927#L122-1 ~mode2~0 := 0; 917#L119-2 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; 901#L153 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 902#L156 assume !(node3_~m3~0#1 != ~nomsg~0); 899#L156-1 ~mode3~0 := 0; 1018#L153-2 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; 1025#L187 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 975#L190 assume !(node4_~m4~0#1 != ~nomsg~0); 976#L190-1 ~mode4~0 := 0; 1007#L187-2 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; 1008#L221 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 999#L224 assume !(node5_~m5~0#1 != ~nomsg~0); 906#L224-1 ~mode5~0 := 0; 973#L221-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite14#1, node6_#t~ite15#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 918#L255 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 919#L258 assume !(node6_~m6~0#1 != ~nomsg~0); 909#L258-1 ~mode6~0 := 0; 910#L255-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 890#L461 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 891#L462 assume ~r1~0 < 6;check_~tmp~1#1 := 1; 962#L461-1 check_#res#1 := check_~tmp~1#1; 963#L473 main_#t~ret48#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret48#1;havoc main_#t~ret48#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; 1005#L562 assume !(0 == assert_~arg#1 % 256); 1006#L557 assume { :end_inline_assert } true;main_#t~post49#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post49#1;havoc main_#t~post49#1; 1009#L529-2 [2021-12-19 19:40:58,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:40:58,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 2 times [2021-12-19 19:40:58,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:40:58,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039222295] [2021-12-19 19:40:58,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:40:58,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:40:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:40:58,126 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:40:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:40:58,143 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:40:58,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:40:58,143 INFO L85 PathProgramCache]: Analyzing trace with hash 911844111, now seen corresponding path program 1 times [2021-12-19 19:40:58,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:40:58,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739875605] [2021-12-19 19:40:58,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:40:58,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:40:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:40:58,151 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:40:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:40:58,160 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:40:58,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:40:58,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1786874990, now seen corresponding path program 1 times [2021-12-19 19:40:58,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:40:58,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175133316] [2021-12-19 19:40:58,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:40:58,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:40:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:40:58,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:40:58,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:40:58,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175133316] [2021-12-19 19:40:58,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175133316] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:40:58,202 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:40:58,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 19:40:58,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898314424] [2021-12-19 19:40:58,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:40:59,180 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 19:40:59,181 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 19:40:59,182 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 19:40:59,182 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 19:40:59,182 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-19 19:40:59,182 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:40:59,182 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 19:40:59,182 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 19:40:59,182 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2021-12-19 19:40:59,183 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 19:40:59,183 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 19:40:59,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:40:59,832 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 19:40:59,833 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-19 19:40:59,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:40:59,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:40:59,846 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:40:59,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-19 19:40:59,858 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:40:59,858 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:40:59,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-12-19 19:40:59,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:40:59,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:40:59,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:40:59,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-19 19:40:59,903 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-19 19:40:59,903 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:41:00,026 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-19 19:41:00,032 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-19 19:41:00,033 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 19:41:00,033 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 19:41:00,033 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 19:41:00,033 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 19:41:00,033 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 19:41:00,033 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:41:00,033 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 19:41:00,033 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 19:41:00,033 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2021-12-19 19:41:00,033 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 19:41:00,033 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 19:41:00,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:41:00,655 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 19:41:00,658 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 19:41:00,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:41:00,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:41:00,660 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:41:00,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-19 19:41:00,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:41:00,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:41:00,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:41:00,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:41:00,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:41:00,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:41:00,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:41:00,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:41:00,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:41:00,695 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 [2021-12-19 19:41:00,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:41:00,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:41:00,696 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:41:00,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-19 19:41:00,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:41:00,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:41:00,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:41:00,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:41:00,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:41:00,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:41:00,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:41:00,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:41:00,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:41:00,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-19 19:41:00,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:41:00,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:41:00,725 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:41:00,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-19 19:41:00,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:41:00,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:41:00,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:41:00,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:41:00,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:41:00,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:41:00,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:41:00,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:41:00,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:41:00,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-19 19:41:00,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:41:00,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:41:00,753 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:41:00,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-19 19:41:00,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:41:00,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:41:00,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:41:00,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:41:00,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:41:00,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:41:00,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:41:00,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:41:00,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:41:00,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-19 19:41:00,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:41:00,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:41:00,801 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:41:00,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-19 19:41:00,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:41:00,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:41:00,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:41:00,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:41:00,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:41:00,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:41:00,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:41:00,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:41:00,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:41:00,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-19 19:41:00,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:41:00,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:41:00,836 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:41:00,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-19 19:41:00,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:41:00,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:41:00,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:41:00,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:41:00,845 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-19 19:41:00,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:41:00,846 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 19:41:00,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:41:00,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:41:00,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-19 19:41:00,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:41:00,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:41:00,866 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:41:00,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-19 19:41:00,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:41:00,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:41:00,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:41:00,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:41:00,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:41:00,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:41:00,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:41:00,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:41:00,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:41:00,903 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 [2021-12-19 19:41:00,903 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:41:00,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:41:00,904 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:41:00,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-19 19:41:00,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:41:00,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:41:00,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:41:00,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:41:00,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:41:00,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:41:00,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:41:00,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:41:00,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:41:00,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-19 19:41:00,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:41:00,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:41:00,939 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:41:00,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-19 19:41:00,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:41:00,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:41:00,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:41:00,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:41:00,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:41:00,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:41:00,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:41:00,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:41:00,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:41:00,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-19 19:41:00,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:41:00,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:41:00,966 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:41:00,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-19 19:41:00,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:41:00,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:41:00,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:41:00,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:41:00,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:41:00,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:41:00,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:41:00,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:41:00,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:41:01,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-19 19:41:01,001 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:41:01,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:41:01,002 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:41:01,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-19 19:41:01,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:41:01,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:41:01,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:41:01,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:41:01,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:41:01,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:41:01,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:41:01,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:41:01,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:41:01,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-19 19:41:01,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:41:01,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:41:01,030 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:41:01,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-19 19:41:01,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:41:01,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:41:01,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:41:01,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:41:01,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:41:01,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:41:01,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:41:01,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:41:01,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:41:01,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-19 19:41:01,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:41:01,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:41:01,074 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:41:01,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-19 19:41:01,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:41:01,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:41:01,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:41:01,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:41:01,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:41:01,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:41:01,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:41:01,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:41:01,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:41:01,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-19 19:41:01,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:41:01,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:41:01,129 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:41:01,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-19 19:41:01,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:41:01,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:41:01,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:41:01,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:41:01,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:41:01,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:41:01,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:41:01,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:41:01,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:41:01,170 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 [2021-12-19 19:41:01,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:41:01,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:41:01,171 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:41:01,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-19 19:41:01,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:41:01,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:41:01,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:41:01,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:41:01,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:41:01,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:41:01,180 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:41:01,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:41:01,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:41:01,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-19 19:41:01,211 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:41:01,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:41:01,212 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:41:01,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-19 19:41:01,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:41:01,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:41:01,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:41:01,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:41:01,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:41:01,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:41:01,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:41:01,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:41:01,238 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-19 19:41:01,242 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-19 19:41:01,242 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-19 19:41:01,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:41:01,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:41:01,244 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:41:01,250 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-19 19:41:01,250 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-19 19:41:01,250 INFO L513 LassoAnalysis]: Proved termination. [2021-12-19 19:41:01,251 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 23 Supporting invariants [] [2021-12-19 19:41:01,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-19 19:41:01,273 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 [2021-12-19 19:41:01,274 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-19 19:41:01,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:41:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:41:01,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 19:41:01,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 19:41:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:41:01,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-19 19:41:01,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 19:41:01,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:41:01,560 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 [2021-12-19 19:41:01,561 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 139 states and 194 transitions. cyclomatic complexity: 56 Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:41:01,609 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 139 states and 194 transitions. cyclomatic complexity: 56. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 231 states and 342 transitions. Complement of second has 4 states. [2021-12-19 19:41:01,610 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 [2021-12-19 19:41:01,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:41:01,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 194 transitions. [2021-12-19 19:41:01,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 194 transitions. Stem has 47 letters. Loop has 31 letters. [2021-12-19 19:41:01,614 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 19:41:01,614 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 194 transitions. Stem has 78 letters. Loop has 31 letters. [2021-12-19 19:41:01,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 19:41:01,616 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 194 transitions. Stem has 47 letters. Loop has 62 letters. [2021-12-19 19:41:01,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 19:41:01,619 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 231 states and 342 transitions. [2021-12-19 19:41:01,621 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-19 19:41:01,622 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 231 states to 0 states and 0 transitions. [2021-12-19 19:41:01,622 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-19 19:41:01,622 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-19 19:41:01,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-19 19:41:01,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:41:01,622 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 19:41:01,622 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 19:41:01,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:41:01,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 19:41:01,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 19:41:01,623 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:41:01,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:41:01,623 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-12-19 19:41:01,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-19 19:41:01,625 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-12-19 19:41:01,625 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-19 19:41:01,625 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-12-19 19:41:01,626 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-19 19:41:01,626 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-19 19:41:01,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-19 19:41:01,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:41:01,626 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 19:41:01,626 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 19:41:01,626 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 19:41:01,626 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-19 19:41:01,626 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-19 19:41:01,627 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-19 19:41:01,627 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-19 19:41:01,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.12 07:41:01 BoogieIcfgContainer [2021-12-19 19:41:01,632 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-19 19:41:01,632 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-19 19:41:01,633 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-19 19:41:01,633 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-19 19:41:01,633 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:40:57" (3/4) ... [2021-12-19 19:41:01,635 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-19 19:41:01,635 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-19 19:41:01,639 INFO L158 Benchmark]: Toolchain (without parser) took 5528.42ms. Allocated memory was 92.3MB in the beginning and 163.6MB in the end (delta: 71.3MB). Free memory was 63.5MB in the beginning and 74.6MB in the end (delta: -11.1MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2021-12-19 19:41:01,641 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 92.3MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 19:41:01,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.85ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 63.5MB in the beginning and 105.3MB in the end (delta: -41.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-19 19:41:01,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.22ms. Allocated memory is still 134.2MB. Free memory was 105.3MB in the beginning and 102.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 19:41:01,642 INFO L158 Benchmark]: Boogie Preprocessor took 54.34ms. Allocated memory is still 134.2MB. Free memory was 102.5MB in the beginning and 100.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 19:41:01,642 INFO L158 Benchmark]: RCFGBuilder took 602.44ms. Allocated memory is still 134.2MB. Free memory was 100.4MB in the beginning and 75.3MB in the end (delta: 25.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-19 19:41:01,642 INFO L158 Benchmark]: BuchiAutomizer took 4448.36ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 75.3MB in the beginning and 75.7MB in the end (delta: -367.6kB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2021-12-19 19:41:01,642 INFO L158 Benchmark]: Witness Printer took 2.99ms. Allocated memory is still 163.6MB. Free memory was 75.7MB in the beginning and 74.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 19:41:01,644 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 92.3MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.85ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 63.5MB in the beginning and 105.3MB in the end (delta: -41.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.22ms. Allocated memory is still 134.2MB. Free memory was 105.3MB in the beginning and 102.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.34ms. Allocated memory is still 134.2MB. Free memory was 102.5MB in the beginning and 100.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 602.44ms. Allocated memory is still 134.2MB. Free memory was 100.4MB in the beginning and 75.3MB in the end (delta: 25.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 4448.36ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 75.3MB in the beginning and 75.7MB in the end (delta: -367.6kB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Witness Printer took 2.99ms. Allocated memory is still 163.6MB. Free memory was 75.7MB in the beginning and 74.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 23 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 139 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 344 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 343 mSDsluCounter, 2245 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1382 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 863 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI2 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital188 mio100 ax100 hnf100 lsp39 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 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! [2021-12-19 19:41:01,667 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 [2021-12-19 19:41:01,880 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