./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.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 648a34748ee6f317001c61f0628c2e00b2100c77ff87e7d85b52ec2f91d6d096 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 09:49:42,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 09:49:42,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 09:49:42,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 09:49:42,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 09:49:42,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 09:49:42,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 09:49:42,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 09:49:42,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 09:49:42,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 09:49:42,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 09:49:42,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 09:49:42,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 09:49:42,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 09:49:42,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 09:49:42,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 09:49:42,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 09:49:42,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 09:49:42,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 09:49:42,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 09:49:42,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 09:49:42,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 09:49:42,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 09:49:42,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 09:49:42,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 09:49:42,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 09:49:42,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 09:49:42,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 09:49:42,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 09:49:42,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 09:49:42,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 09:49:42,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 09:49:42,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 09:49:42,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 09:49:42,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 09:49:42,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 09:49:42,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 09:49:42,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 09:49:42,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 09:49:42,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 09:49:42,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 09:49:42,665 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-28 09:49:42,695 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 09:49:42,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 09:49:42,697 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 09:49:42,697 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 09:49:42,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 09:49:42,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 09:49:42,699 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 09:49:42,699 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-28 09:49:42,699 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-28 09:49:42,699 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-28 09:49:42,700 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-28 09:49:42,700 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-28 09:49:42,700 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-28 09:49:42,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 09:49:42,701 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 09:49:42,701 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 09:49:42,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 09:49:42,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 09:49:42,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 09:49:42,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-28 09:49:42,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-28 09:49:42,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-28 09:49:42,702 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 09:49:42,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 09:49:42,708 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-28 09:49:42,708 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 09:49:42,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-28 09:49:42,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 09:49:42,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 09:49:42,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 09:49:42,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 09:49:42,710 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-28 09:49:42,711 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 648a34748ee6f317001c61f0628c2e00b2100c77ff87e7d85b52ec2f91d6d096 [2021-12-28 09:49:43,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 09:49:43,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 09:49:43,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 09:49:43,080 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 09:49:43,080 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 09:49:43,082 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2021-12-28 09:49:43,138 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d6d816dc/7a1c1630d21041ce9305cabe5f67fc24/FLAGa00ac0cce [2021-12-28 09:49:43,549 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 09:49:43,549 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2021-12-28 09:49:43,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d6d816dc/7a1c1630d21041ce9305cabe5f67fc24/FLAGa00ac0cce [2021-12-28 09:49:43,918 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d6d816dc/7a1c1630d21041ce9305cabe5f67fc24 [2021-12-28 09:49:43,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 09:49:43,922 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 09:49:43,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 09:49:43,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 09:49:43,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 09:49:43,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:49:43" (1/1) ... [2021-12-28 09:49:43,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3504a3aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:43, skipping insertion in model container [2021-12-28 09:49:43,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:49:43" (1/1) ... [2021-12-28 09:49:43,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 09:49:43,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 09:49:44,152 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.6.2.ufo.BOUNDED-12.pals.c[16824,16837] [2021-12-28 09:49:44,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:49:44,161 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 09:49:44,216 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.6.2.ufo.BOUNDED-12.pals.c[16824,16837] [2021-12-28 09:49:44,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:49:44,229 INFO L208 MainTranslator]: Completed translation [2021-12-28 09:49:44,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:44 WrapperNode [2021-12-28 09:49:44,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 09:49:44,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 09:49:44,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 09:49:44,231 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 09:49:44,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:44" (1/1) ... [2021-12-28 09:49:44,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:44" (1/1) ... [2021-12-28 09:49:44,285 INFO L137 Inliner]: procedures = 25, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 434 [2021-12-28 09:49:44,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 09:49:44,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 09:49:44,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 09:49:44,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 09:49:44,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:44" (1/1) ... [2021-12-28 09:49:44,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:44" (1/1) ... [2021-12-28 09:49:44,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:44" (1/1) ... [2021-12-28 09:49:44,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:44" (1/1) ... [2021-12-28 09:49:44,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:44" (1/1) ... [2021-12-28 09:49:44,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:44" (1/1) ... [2021-12-28 09:49:44,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:44" (1/1) ... [2021-12-28 09:49:44,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 09:49:44,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 09:49:44,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 09:49:44,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 09:49:44,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:44" (1/1) ... [2021-12-28 09:49:44,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:44,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:44,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:44,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-28 09:49:44,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 09:49:44,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 09:49:44,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 09:49:44,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 09:49:44,537 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 09:49:44,558 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 09:49:45,116 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 09:49:45,125 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 09:49:45,129 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 09:49:45,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:49:45 BoogieIcfgContainer [2021-12-28 09:49:45,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 09:49:45,136 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-28 09:49:45,136 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-28 09:49:45,140 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-28 09:49:45,140 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:49:45,140 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.12 09:49:43" (1/3) ... [2021-12-28 09:49:45,141 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@235d412e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:49:45, skipping insertion in model container [2021-12-28 09:49:45,141 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:49:45,141 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:49:44" (2/3) ... [2021-12-28 09:49:45,141 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@235d412e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:49:45, skipping insertion in model container [2021-12-28 09:49:45,141 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:49:45,142 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:49:45" (3/3) ... [2021-12-28 09:49:45,143 INFO L388 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2021-12-28 09:49:45,176 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-28 09:49:45,176 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-28 09:49:45,176 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-28 09:49:45,176 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-28 09:49:45,176 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-28 09:49:45,177 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-28 09:49:45,177 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-28 09:49:45,177 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-28 09:49:45,190 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 141 states, 140 states have (on average 1.7142857142857142) internal successors, (240), 140 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:49:45,213 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-12-28 09:49:45,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:49:45,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:49:45,221 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:49:45,221 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] [2021-12-28 09:49:45,221 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-28 09:49:45,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 141 states, 140 states have (on average 1.7142857142857142) internal successors, (240), 140 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:49:45,230 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-12-28 09:49:45,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:49:45,230 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:49:45,233 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:49:45,233 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] [2021-12-28 09:49:45,240 INFO L791 eck$LassoCheckResult]: Stem: 129#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(50, 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; 38#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~ret46#1, main_#t~ret47#1, main_#t~post48#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~nondet15#1;havoc main_#t~nondet15#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~st1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~send1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~mode1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~alive1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~id2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~st2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~send2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~mode2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~alive2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~id3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~st3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~send3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~alive3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id4~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st4~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send4~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode4~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~alive4~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~id5~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~st5~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~send5~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~mode5~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~alive5~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~id6~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~st6~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~send6~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~mode6~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~alive6~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 122#L285true assume !(0 == ~r1~0);init_~tmp~0#1 := 0; 55#L285-1true init_#res#1 := init_~tmp~0#1; 99#L450true main_#t~ret46#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret46#1;havoc main_#t~ret46#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; 104#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; 109#L526-2true [2021-12-28 09:49:45,240 INFO L793 eck$LassoCheckResult]: Loop: 109#L526-2true assume !!(main_~i2~0#1 < 12);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 126#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; 100#L88true assume !(node1_~m1~0#1 != ~nomsg~0); 124#L88-1true ~mode1~0 := 0; 24#L84-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_#t~ite6#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 29#L116true assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 130#L119true assume !(node2_~m2~0#1 != ~nomsg~0); 28#L119-1true ~mode2~0 := 0; 121#L116-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite7#1, node3_#t~ite8#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 106#L150true assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 9#L153true assume !(node3_~m3~0#1 != ~nomsg~0); 89#L153-1true ~mode3~0 := 0; 93#L150-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite9#1, node4_#t~ite10#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 86#L184true assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 132#L187true assume !(node4_~m4~0#1 != ~nomsg~0); 108#L187-1true ~mode4~0 := 0; 80#L184-2true assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite11#1, node5_#t~ite12#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 39#L218true assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 91#L221true assume !(node5_~m5~0#1 != ~nomsg~0); 56#L221-1true ~mode5~0 := 0; 14#L218-2true assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite13#1, node6_#t~ite14#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 52#L252true assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 19#L255true assume !(node6_~m6~0#1 != ~nomsg~0); 35#L255-1true ~mode6~0 := 0; 141#L252-2true 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; 112#L458true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1#1 := 0; 137#L458-1true check_#res#1 := check_~tmp~1#1; 113#L470true main_#t~ret47#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret47#1;havoc main_#t~ret47#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; 45#L559true assume !(0 == assert_~arg#1 % 256); 143#L554true assume { :end_inline_assert } true;main_#t~post48#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post48#1;havoc main_#t~post48#1; 109#L526-2true [2021-12-28 09:49:45,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:49:45,245 INFO L85 PathProgramCache]: Analyzing trace with hash 2035845626, now seen corresponding path program 1 times [2021-12-28 09:49:45,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:49:45,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648066860] [2021-12-28 09:49:45,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:49:45,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:49:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:49:45,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:49:45,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:49:45,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648066860] [2021-12-28 09:49:45,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648066860] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:49:45,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:49:45,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-28 09:49:45,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531826016] [2021-12-28 09:49:45,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:49:45,386 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-28 09:49:45,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:49:45,386 INFO L85 PathProgramCache]: Analyzing trace with hash 959479027, now seen corresponding path program 1 times [2021-12-28 09:49:45,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:49:45,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708099691] [2021-12-28 09:49:45,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:49:45,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:49:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:49:45,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:49:45,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:49:45,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708099691] [2021-12-28 09:49:45,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708099691] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:49:45,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:49:45,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 09:49:45,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655367552] [2021-12-28 09:49:45,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:49:45,525 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-28 09:49:45,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:49:45,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-28 09:49:45,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-28 09:49:45,553 INFO L87 Difference]: Start difference. First operand has 141 states, 140 states have (on average 1.7142857142857142) internal successors, (240), 140 states have internal predecessors, (240), 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) [2021-12-28 09:49:45,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:49:45,574 INFO L93 Difference]: Finished difference Result 141 states and 237 transitions. [2021-12-28 09:49:45,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-28 09:49:45,581 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 141 states and 237 transitions. [2021-12-28 09:49:45,589 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-12-28 09:49:45,596 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 141 states to 136 states and 232 transitions. [2021-12-28 09:49:45,598 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2021-12-28 09:49:45,600 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2021-12-28 09:49:45,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 232 transitions. [2021-12-28 09:49:45,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:49:45,602 INFO L681 BuchiCegarLoop]: Abstraction has 136 states and 232 transitions. [2021-12-28 09:49:45,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 232 transitions. [2021-12-28 09:49:45,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2021-12-28 09:49:45,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 136 states have (on average 1.7058823529411764) internal successors, (232), 135 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:49:45,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 232 transitions. [2021-12-28 09:49:45,641 INFO L704 BuchiCegarLoop]: Abstraction has 136 states and 232 transitions. [2021-12-28 09:49:45,641 INFO L587 BuchiCegarLoop]: Abstraction has 136 states and 232 transitions. [2021-12-28 09:49:45,641 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-28 09:49:45,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 232 transitions. [2021-12-28 09:49:45,646 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-12-28 09:49:45,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:49:45,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:49:45,649 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:49:45,649 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] [2021-12-28 09:49:45,650 INFO L791 eck$LassoCheckResult]: Stem: 427#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(50, 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; 355#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~ret46#1, main_#t~ret47#1, main_#t~post48#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~nondet15#1;havoc main_#t~nondet15#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~st1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~send1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~mode1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~alive1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~id2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~st2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~send2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~mode2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~alive2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~id3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~st3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~send3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~alive3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id4~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st4~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send4~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode4~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~alive4~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~id5~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~st5~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~send5~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~mode5~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~alive5~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~id6~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~st6~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~send6~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~mode6~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~alive6~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 356#L285 assume !(0 == ~r1~0);init_~tmp~0#1 := 0; 294#L285-1 init_#res#1 := init_~tmp~0#1; 378#L450 main_#t~ret46#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret46#1;havoc main_#t~ret46#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; 360#L22 assume !(0 == assume_abort_if_not_~cond#1); 361#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; 418#L526-2 [2021-12-28 09:49:45,651 INFO L793 eck$LassoCheckResult]: Loop: 418#L526-2 assume !!(main_~i2~0#1 < 12);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 422#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; 416#L88 assume !(node1_~m1~0#1 != ~nomsg~0); 353#L88-1 ~mode1~0 := 0; 337#L84-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_#t~ite6#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 338#L116 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 347#L119 assume !(node2_~m2~0#1 != ~nomsg~0); 340#L119-1 ~mode2~0 := 0; 345#L116-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite7#1, node3_#t~ite8#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 420#L150 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 305#L153 assume !(node3_~m3~0#1 != ~nomsg~0); 307#L153-1 ~mode3~0 := 0; 373#L150-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite9#1, node4_#t~ite10#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 409#L184 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 410#L187 assume !(node4_~m4~0#1 != ~nomsg~0); 323#L187-1 ~mode4~0 := 0; 404#L184-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite11#1, node5_#t~ite12#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 357#L218 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 359#L221 assume !(node5_~m5~0#1 != ~nomsg~0); 312#L221-1 ~mode5~0 := 0; 315#L218-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite13#1, node6_#t~ite14#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 316#L252 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 325#L255 assume !(node6_~m6~0#1 != ~nomsg~0); 327#L255-1 ~mode6~0 := 0; 329#L252-2 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; 423#L458 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1#1 := 0; 303#L458-1 check_#res#1 := check_~tmp~1#1; 424#L470 main_#t~ret47#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret47#1;havoc main_#t~ret47#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; 366#L559 assume !(0 == assert_~arg#1 % 256); 367#L554 assume { :end_inline_assert } true;main_#t~post48#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post48#1;havoc main_#t~post48#1; 418#L526-2 [2021-12-28 09:49:45,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:49:45,651 INFO L85 PathProgramCache]: Analyzing trace with hash 2035845688, now seen corresponding path program 1 times [2021-12-28 09:49:45,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:49:45,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650638929] [2021-12-28 09:49:45,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:49:45,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:49:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:49:45,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:49:45,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:49:45,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650638929] [2021-12-28 09:49:45,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650638929] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:49:45,715 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:49:45,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 09:49:45,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233107319] [2021-12-28 09:49:45,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:49:45,716 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-28 09:49:45,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:49:45,717 INFO L85 PathProgramCache]: Analyzing trace with hash 959479027, now seen corresponding path program 2 times [2021-12-28 09:49:45,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:49:45,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8012806] [2021-12-28 09:49:45,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:49:45,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:49:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:49:45,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:49:45,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:49:45,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8012806] [2021-12-28 09:49:45,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8012806] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:49:45,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:49:45,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 09:49:45,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86254075] [2021-12-28 09:49:45,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:49:45,837 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-28 09:49:45,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:49:45,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 09:49:45,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 09:49:45,838 INFO L87 Difference]: Start difference. First operand 136 states and 232 transitions. cyclomatic complexity: 97 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:49:45,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:49:45,955 INFO L93 Difference]: Finished difference Result 139 states and 234 transitions. [2021-12-28 09:49:45,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 09:49:45,956 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 139 states and 234 transitions. [2021-12-28 09:49:45,961 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-12-28 09:49:45,963 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 139 states to 136 states and 191 transitions. [2021-12-28 09:49:45,964 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2021-12-28 09:49:45,965 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2021-12-28 09:49:45,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 191 transitions. [2021-12-28 09:49:45,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:49:45,968 INFO L681 BuchiCegarLoop]: Abstraction has 136 states and 191 transitions. [2021-12-28 09:49:45,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 191 transitions. [2021-12-28 09:49:45,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2021-12-28 09:49:45,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 136 states have (on average 1.4044117647058822) internal successors, (191), 135 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:49:45,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 191 transitions. [2021-12-28 09:49:45,975 INFO L704 BuchiCegarLoop]: Abstraction has 136 states and 191 transitions. [2021-12-28 09:49:45,975 INFO L587 BuchiCegarLoop]: Abstraction has 136 states and 191 transitions. [2021-12-28 09:49:45,975 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-28 09:49:45,976 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 191 transitions. [2021-12-28 09:49:45,977 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-12-28 09:49:45,977 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:49:45,977 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:49:45,980 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] [2021-12-28 09:49:45,980 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] [2021-12-28 09:49:45,985 INFO L791 eck$LassoCheckResult]: Stem: 717#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(50, 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; 644#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~ret46#1, main_#t~ret47#1, main_#t~post48#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~nondet15#1;havoc main_#t~nondet15#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~st1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~send1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~mode1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~alive1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~id2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~st2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~send2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~mode2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~alive2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~id3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~st3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~send3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~alive3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id4~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st4~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send4~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode4~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~alive4~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~id5~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~st5~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~send5~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~mode5~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~alive5~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~id6~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~st6~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~send6~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~mode6~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~alive6~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 645#L285 assume 0 == ~r1~0; 702#L286 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 679#L287 assume ~id1~0 >= 0; 632#L288 assume 0 == ~st1~0; 633#L289 assume ~send1~0 == ~id1~0; 640#L290 assume 0 == ~mode1~0 % 256; 693#L291 assume ~id2~0 >= 0; 694#L292 assume 0 == ~st2~0; 705#L293 assume ~send2~0 == ~id2~0; 716#L294 assume 0 == ~mode2~0 % 256; 589#L295 assume ~id3~0 >= 0; 590#L296 assume 0 == ~st3~0; 639#L297 assume ~send3~0 == ~id3~0; 637#L298 assume 0 == ~mode3~0 % 256; 638#L299 assume ~id4~0 >= 0; 643#L300 assume 0 == ~st4~0; 684#L301 assume ~send4~0 == ~id4~0; 697#L302 assume 0 == ~mode4~0 % 256; 698#L303 assume ~id5~0 >= 0; 711#L304 assume 0 == ~st5~0; 673#L305 assume ~send5~0 == ~id5~0; 674#L306 assume 0 == ~mode5~0 % 256; 691#L307 assume ~id6~0 >= 0; 602#L308 assume 0 == ~st6~0; 603#L309 assume ~send6~0 == ~id6~0; 688#L310 assume 0 == ~mode6~0 % 256; 663#L311 assume ~id1~0 != ~id2~0; 664#L312 assume ~id1~0 != ~id3~0; 621#L313 assume ~id1~0 != ~id4~0; 622#L314 assume ~id1~0 != ~id5~0; 655#L315 assume ~id1~0 != ~id6~0; 656#L316 assume ~id2~0 != ~id3~0; 585#L317 assume ~id2~0 != ~id4~0; 586#L318 assume ~id2~0 != ~id5~0; 718#L319 assume ~id2~0 != ~id6~0; 696#L320 assume ~id3~0 != ~id4~0; 680#L321 assume ~id3~0 != ~id5~0; 681#L322 assume ~id3~0 != ~id6~0; 583#L323 assume ~id4~0 != ~id5~0; 584#L324 assume ~id4~0 != ~id6~0; 607#L325 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 667#L285-1 init_#res#1 := init_~tmp~0#1; 668#L450 main_#t~ret46#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret46#1;havoc main_#t~ret46#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 649#L22 assume !(0 == assume_abort_if_not_~cond#1); 650#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; 708#L526-2 [2021-12-28 09:49:45,986 INFO L793 eck$LassoCheckResult]: Loop: 708#L526-2 assume !!(main_~i2~0#1 < 12);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 712#L84 assume !(0 != ~mode1~0 % 256); 658#L102 assume !(0 != ~alive1~0 % 256); 657#L102-2 ~mode1~0 := 1; 629#L84-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_#t~ite6#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 630#L116 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 636#L119 assume !(node2_~m2~0#1 != ~nomsg~0); 627#L119-1 ~mode2~0 := 0; 634#L116-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite7#1, node3_#t~ite8#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 710#L150 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 594#L153 assume !(node3_~m3~0#1 != ~nomsg~0); 596#L153-1 ~mode3~0 := 0; 662#L150-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite9#1, node4_#t~ite10#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 699#L184 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 700#L187 assume !(node4_~m4~0#1 != ~nomsg~0); 612#L187-1 ~mode4~0 := 0; 692#L184-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite11#1, node5_#t~ite12#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 646#L218 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 648#L221 assume !(node5_~m5~0#1 != ~nomsg~0); 601#L221-1 ~mode5~0 := 0; 604#L218-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite13#1, node6_#t~ite14#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 605#L252 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 614#L255 assume !(node6_~m6~0#1 != ~nomsg~0); 616#L255-1 ~mode6~0 := 0; 618#L252-2 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; 713#L458 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1#1 := 0; 592#L458-1 check_#res#1 := check_~tmp~1#1; 714#L470 main_#t~ret47#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret47#1;havoc main_#t~ret47#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; 653#L559 assume !(0 == assert_~arg#1 % 256); 654#L554 assume { :end_inline_assert } true;main_#t~post48#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post48#1;havoc main_#t~post48#1; 708#L526-2 [2021-12-28 09:49:45,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:49:45,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 1 times [2021-12-28 09:49:45,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:49:45,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843522325] [2021-12-28 09:49:45,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:49:45,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:49:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:49:46,036 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:49:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:49:46,099 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:49:46,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:49:46,100 INFO L85 PathProgramCache]: Analyzing trace with hash 225391629, now seen corresponding path program 1 times [2021-12-28 09:49:46,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:49:46,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474466316] [2021-12-28 09:49:46,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:49:46,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:49:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:49:46,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:49:46,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:49:46,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474466316] [2021-12-28 09:49:46,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474466316] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:49:46,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:49:46,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 09:49:46,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939497090] [2021-12-28 09:49:46,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:49:46,216 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-28 09:49:46,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:49:46,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 09:49:46,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 09:49:46,217 INFO L87 Difference]: Start difference. First operand 136 states and 191 transitions. cyclomatic complexity: 56 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) [2021-12-28 09:49:46,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:49:46,254 INFO L93 Difference]: Finished difference Result 139 states and 193 transitions. [2021-12-28 09:49:46,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 09:49:46,256 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 139 states and 193 transitions. [2021-12-28 09:49:46,257 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-12-28 09:49:46,258 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 139 states to 136 states and 189 transitions. [2021-12-28 09:49:46,258 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2021-12-28 09:49:46,258 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2021-12-28 09:49:46,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 189 transitions. [2021-12-28 09:49:46,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:49:46,262 INFO L681 BuchiCegarLoop]: Abstraction has 136 states and 189 transitions. [2021-12-28 09:49:46,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 189 transitions. [2021-12-28 09:49:46,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2021-12-28 09:49:46,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 136 states have (on average 1.3897058823529411) internal successors, (189), 135 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:49:46,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 189 transitions. [2021-12-28 09:49:46,278 INFO L704 BuchiCegarLoop]: Abstraction has 136 states and 189 transitions. [2021-12-28 09:49:46,278 INFO L587 BuchiCegarLoop]: Abstraction has 136 states and 189 transitions. [2021-12-28 09:49:46,278 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-28 09:49:46,278 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 189 transitions. [2021-12-28 09:49:46,279 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-12-28 09:49:46,279 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:49:46,279 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:49:46,280 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] [2021-12-28 09:49:46,281 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] [2021-12-28 09:49:46,281 INFO L791 eck$LassoCheckResult]: Stem: 1004#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(50, 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; 931#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~ret46#1, main_#t~ret47#1, main_#t~post48#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~nondet15#1;havoc main_#t~nondet15#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~st1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~send1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~mode1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~alive1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~id2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~st2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~send2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~mode2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~alive2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~id3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~st3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~send3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~alive3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id4~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st4~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send4~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode4~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~alive4~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~id5~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~st5~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~send5~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~mode5~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~alive5~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~id6~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~st6~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~send6~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~mode6~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~alive6~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 932#L285 assume 0 == ~r1~0; 989#L286 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 966#L287 assume ~id1~0 >= 0; 919#L288 assume 0 == ~st1~0; 920#L289 assume ~send1~0 == ~id1~0; 927#L290 assume 0 == ~mode1~0 % 256; 980#L291 assume ~id2~0 >= 0; 981#L292 assume 0 == ~st2~0; 992#L293 assume ~send2~0 == ~id2~0; 1003#L294 assume 0 == ~mode2~0 % 256; 876#L295 assume ~id3~0 >= 0; 877#L296 assume 0 == ~st3~0; 926#L297 assume ~send3~0 == ~id3~0; 924#L298 assume 0 == ~mode3~0 % 256; 925#L299 assume ~id4~0 >= 0; 930#L300 assume 0 == ~st4~0; 971#L301 assume ~send4~0 == ~id4~0; 984#L302 assume 0 == ~mode4~0 % 256; 985#L303 assume ~id5~0 >= 0; 998#L304 assume 0 == ~st5~0; 960#L305 assume ~send5~0 == ~id5~0; 961#L306 assume 0 == ~mode5~0 % 256; 978#L307 assume ~id6~0 >= 0; 889#L308 assume 0 == ~st6~0; 890#L309 assume ~send6~0 == ~id6~0; 975#L310 assume 0 == ~mode6~0 % 256; 950#L311 assume ~id1~0 != ~id2~0; 951#L312 assume ~id1~0 != ~id3~0; 908#L313 assume ~id1~0 != ~id4~0; 909#L314 assume ~id1~0 != ~id5~0; 943#L315 assume ~id1~0 != ~id6~0; 944#L316 assume ~id2~0 != ~id3~0; 872#L317 assume ~id2~0 != ~id4~0; 873#L318 assume ~id2~0 != ~id5~0; 1005#L319 assume ~id2~0 != ~id6~0; 983#L320 assume ~id3~0 != ~id4~0; 967#L321 assume ~id3~0 != ~id5~0; 968#L322 assume ~id3~0 != ~id6~0; 870#L323 assume ~id4~0 != ~id5~0; 871#L324 assume ~id4~0 != ~id6~0; 894#L325 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 954#L285-1 init_#res#1 := init_~tmp~0#1; 955#L450 main_#t~ret46#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret46#1;havoc main_#t~ret46#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; 936#L22 assume !(0 == assume_abort_if_not_~cond#1); 937#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; 995#L526-2 [2021-12-28 09:49:46,281 INFO L793 eck$LassoCheckResult]: Loop: 995#L526-2 assume !!(main_~i2~0#1 < 12);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 999#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; 993#L88 assume !(node1_~m1~0#1 != ~nomsg~0); 929#L88-1 ~mode1~0 := 0; 913#L84-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_#t~ite6#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 914#L116 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 923#L119 assume !(node2_~m2~0#1 != ~nomsg~0); 916#L119-1 ~mode2~0 := 0; 921#L116-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite7#1, node3_#t~ite8#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 997#L150 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 881#L153 assume !(node3_~m3~0#1 != ~nomsg~0); 883#L153-1 ~mode3~0 := 0; 949#L150-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite9#1, node4_#t~ite10#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 986#L184 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 987#L187 assume !(node4_~m4~0#1 != ~nomsg~0); 899#L187-1 ~mode4~0 := 0; 979#L184-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite11#1, node5_#t~ite12#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 933#L218 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 935#L221 assume !(node5_~m5~0#1 != ~nomsg~0); 888#L221-1 ~mode5~0 := 0; 891#L218-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite13#1, node6_#t~ite14#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 892#L252 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 901#L255 assume !(node6_~m6~0#1 != ~nomsg~0); 903#L255-1 ~mode6~0 := 0; 905#L252-2 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; 1000#L458 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 878#L459 assume ~r1~0 < 6;check_~tmp~1#1 := 1; 879#L458-1 check_#res#1 := check_~tmp~1#1; 1001#L470 main_#t~ret47#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret47#1;havoc main_#t~ret47#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; 941#L559 assume !(0 == assert_~arg#1 % 256); 942#L554 assume { :end_inline_assert } true;main_#t~post48#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post48#1;havoc main_#t~post48#1; 995#L526-2 [2021-12-28 09:49:46,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:49:46,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 2 times [2021-12-28 09:49:46,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:49:46,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727150303] [2021-12-28 09:49:46,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:49:46,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:49:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:49:46,325 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:49:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:49:46,366 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:49:46,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:49:46,367 INFO L85 PathProgramCache]: Analyzing trace with hash -704248189, now seen corresponding path program 1 times [2021-12-28 09:49:46,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:49:46,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164230547] [2021-12-28 09:49:46,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:49:46,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:49:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:49:46,386 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:49:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:49:46,404 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:49:46,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:49:46,411 INFO L85 PathProgramCache]: Analyzing trace with hash 170782690, now seen corresponding path program 1 times [2021-12-28 09:49:46,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:49:46,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153817623] [2021-12-28 09:49:46,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:49:46,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:49:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:49:46,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:49:46,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:49:46,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153817623] [2021-12-28 09:49:46,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153817623] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:49:46,484 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:49:46,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 09:49:46,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726502955] [2021-12-28 09:49:46,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:49:47,509 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:49:47,510 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:49:47,510 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:49:47,510 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:49:47,510 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-28 09:49:47,510 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:47,510 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:49:47,511 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:49:47,511 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2021-12-28 09:49:47,511 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:49:47,511 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:49:47,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:47,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,346 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:49:48,347 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-28 09:49:48,349 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:48,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:48,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:48,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-28 09:49:48,362 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:49:48,362 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:49:48,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:48,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:48,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:48,404 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:48,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-28 09:49:48,405 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-28 09:49:48,405 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:49:48,517 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-28 09:49:48,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:48,523 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:49:48,523 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:49:48,523 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:49:48,524 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:49:48,524 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-28 09:49:48,524 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:48,524 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:49:48,524 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:49:48,524 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2021-12-28 09:49:48,524 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:49:48,524 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:49:48,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:48,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:49:49,326 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:49:49,330 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-28 09:49:49,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:49,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:49,336 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:49,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-28 09:49:49,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:49,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:49,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:49,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:49,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:49,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:49,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:49,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:49,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:49,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:49,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:49,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:49,384 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:49,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-28 09:49:49,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:49,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:49,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:49,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:49,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:49,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:49,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:49,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:49,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:49,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-28 09:49:49,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:49,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:49,415 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:49,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-28 09:49:49,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:49,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:49,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:49,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:49,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:49,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:49,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:49,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:49,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:49,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:49,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:49,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:49,489 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:49,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-28 09:49:49,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:49,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:49,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:49,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:49,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:49,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:49,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:49,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:49,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:49,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-28 09:49:49,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:49,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:49,538 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:49,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-28 09:49:49,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:49,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:49,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:49,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:49,547 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-28 09:49:49,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:49,552 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-28 09:49:49,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:49,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:49,578 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 [2021-12-28 09:49:49,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:49,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:49,579 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:49,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-28 09:49:49,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:49,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:49,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:49,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:49,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:49,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:49,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:49,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:49,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:49,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:49,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:49,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:49,606 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:49,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-28 09:49:49,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:49,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:49,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:49,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:49,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:49,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:49,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:49,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:49,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:49,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:49,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:49,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:49,635 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:49,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-28 09:49:49,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:49,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:49,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:49,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:49,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:49,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:49,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:49,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:49,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:49,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:49,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:49,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:49,710 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:49,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:49,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:49,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:49,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:49,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:49,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:49,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:49,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:49,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-28 09:49:49,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:49,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:49,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:49,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:49,749 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:49,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-28 09:49:49,755 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 [2021-12-28 09:49:49,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:49,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:49,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:49,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:49,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:49,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:49,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:49,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:49,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:49,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:49,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:49,780 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:49,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-28 09:49:49,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:49,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:49,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:49,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:49,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:49,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:49,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:49,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:49,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:49,807 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 [2021-12-28 09:49:49,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:49,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:49,810 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:49,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-28 09:49:49,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:49,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:49,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:49,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:49,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:49,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:49,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:49,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:49,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:49,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-28 09:49:49,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:49,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:49,839 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:49,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-28 09:49:49,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:49,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:49,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:49,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:49,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:49,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:49,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:49,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:49,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:49,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-28 09:49:49,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:49,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:49,868 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:49,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-28 09:49:49,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:49,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:49,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:49,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:49,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:49,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:49,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:49,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:49,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:49,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:49,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:49,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:49,898 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:49,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-28 09:49:49,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:49,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:49,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:49,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:49,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:49,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:49,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:49,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:49,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:49:49,924 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 [2021-12-28 09:49:49,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:49,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:49,925 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:49,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-28 09:49:49,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:49:49,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:49:49,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:49:49,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:49:49,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:49:49,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:49:49,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:49:49,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:49:49,936 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-28 09:49:49,960 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-28 09:49:49,960 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-28 09:49:49,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:49:49,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:49:49,964 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:49:49,975 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-28 09:49:49,975 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-28 09:49:49,975 INFO L513 LassoAnalysis]: Proved termination. [2021-12-28 09:49:49,976 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 [] [2021-12-28 09:49:49,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-28 09:49:49,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-28 09:49:49,999 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-28 09:49:50,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:49:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:49:50,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 09:49:50,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:49:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:49:50,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-28 09:49:50,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:49:50,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:49:50,411 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-28 09:49:50,411 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 136 states and 189 transitions. cyclomatic complexity: 54 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) [2021-12-28 09:49:50,470 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 136 states and 189 transitions. cyclomatic complexity: 54. 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 225 states and 332 transitions. Complement of second has 4 states. [2021-12-28 09:49:50,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-28 09:49:50,471 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) [2021-12-28 09:49:50,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 189 transitions. [2021-12-28 09:49:50,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 189 transitions. Stem has 47 letters. Loop has 31 letters. [2021-12-28 09:49:50,474 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:49:50,474 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 189 transitions. Stem has 78 letters. Loop has 31 letters. [2021-12-28 09:49:50,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:49:50,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 189 transitions. Stem has 47 letters. Loop has 62 letters. [2021-12-28 09:49:50,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:49:50,478 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 225 states and 332 transitions. [2021-12-28 09:49:50,480 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-28 09:49:50,481 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 225 states to 0 states and 0 transitions. [2021-12-28 09:49:50,481 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-28 09:49:50,481 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-28 09:49:50,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-28 09:49:50,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:49:50,481 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:49:50,481 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:49:50,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:49:50,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 09:49:50,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 09:49:50,482 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) [2021-12-28 09:49:50,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:49:50,482 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-12-28 09:49:50,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-28 09:49:50,484 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-12-28 09:49:50,484 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-28 09:49:50,485 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-12-28 09:49:50,485 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-28 09:49:50,485 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-28 09:49:50,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-28 09:49:50,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:49:50,485 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:49:50,485 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:49:50,485 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:49:50,485 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-28 09:49:50,486 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-28 09:49:50,486 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-28 09:49:50,486 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-28 09:49:50,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.12 09:49:50 BoogieIcfgContainer [2021-12-28 09:49:50,492 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-28 09:49:50,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-28 09:49:50,493 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-28 09:49:50,493 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-28 09:49:50,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:49:45" (3/4) ... [2021-12-28 09:49:50,496 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-28 09:49:50,496 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-28 09:49:50,502 INFO L158 Benchmark]: Toolchain (without parser) took 6574.88ms. Allocated memory was 62.9MB in the beginning and 104.9MB in the end (delta: 41.9MB). Free memory was 43.0MB in the beginning and 31.4MB in the end (delta: 11.5MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2021-12-28 09:49:50,502 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 45.1MB in the beginning and 45.1MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:49:50,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.38ms. Allocated memory is still 62.9MB. Free memory was 42.8MB in the beginning and 44.1MB in the end (delta: -1.2MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2021-12-28 09:49:50,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.73ms. Allocated memory is still 62.9MB. Free memory was 44.1MB in the beginning and 41.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-28 09:49:50,503 INFO L158 Benchmark]: Boogie Preprocessor took 64.71ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 39.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-28 09:49:50,504 INFO L158 Benchmark]: RCFGBuilder took 783.57ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 38.7MB in the beginning and 50.9MB in the end (delta: -12.2MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2021-12-28 09:49:50,504 INFO L158 Benchmark]: BuchiAutomizer took 5356.23ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 50.9MB in the beginning and 31.7MB in the end (delta: 19.2MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2021-12-28 09:49:50,504 INFO L158 Benchmark]: Witness Printer took 3.51ms. Allocated memory is still 104.9MB. Free memory was 31.7MB in the beginning and 31.4MB in the end (delta: 307.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:49:50,505 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 45.1MB in the beginning and 45.1MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.38ms. Allocated memory is still 62.9MB. Free memory was 42.8MB in the beginning and 44.1MB in the end (delta: -1.2MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.73ms. Allocated memory is still 62.9MB. Free memory was 44.1MB in the beginning and 41.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.71ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 39.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 783.57ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 38.7MB in the beginning and 50.9MB in the end (delta: -12.2MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 5356.23ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 50.9MB in the beginning and 31.7MB in the end (delta: 19.2MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. * Witness Printer took 3.51ms. Allocated memory is still 104.9MB. Free memory was 31.7MB in the beginning and 31.4MB in the end (delta: 307.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 23 + -2 * i2 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.3s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 4.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 136 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 334 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 333 mSDsluCounter, 2190 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1347 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 843 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI2 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital189 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: 25ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-28 09:49:50,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-28 09:49:50,761 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