./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e19ca921 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.6_overflow.ufo.UNBOUNDED.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 2e89791a2e8bde62b11f5e3f45edc8f6b1d8831a0e105552a6da22a3ff44c454 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 20:36:05,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 20:36:05,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 20:36:05,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 20:36:05,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 20:36:05,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 20:36:05,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 20:36:05,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 20:36:05,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 20:36:05,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 20:36:05,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 20:36:05,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 20:36:05,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 20:36:05,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 20:36:05,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 20:36:05,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 20:36:05,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 20:36:05,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 20:36:05,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 20:36:05,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 20:36:05,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 20:36:05,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 20:36:05,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 20:36:05,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 20:36:05,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 20:36:05,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 20:36:05,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 20:36:05,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 20:36:05,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 20:36:05,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 20:36:05,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 20:36:05,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 20:36:05,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 20:36:05,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 20:36:05,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 20:36:05,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 20:36:05,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 20:36:05,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 20:36:05,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 20:36:05,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 20:36:05,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 20:36:05,710 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-22 20:36:05,744 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 20:36:05,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 20:36:05,745 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 20:36:05,745 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 20:36:05,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 20:36:05,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 20:36:05,747 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 20:36:05,747 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-22 20:36:05,747 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-22 20:36:05,748 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-22 20:36:05,748 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-22 20:36:05,748 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-22 20:36:05,748 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-22 20:36:05,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 20:36:05,749 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 20:36:05,749 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 20:36:05,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 20:36:05,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 20:36:05,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 20:36:05,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-22 20:36:05,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-22 20:36:05,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-22 20:36:05,750 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 20:36:05,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 20:36:05,751 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-22 20:36:05,751 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 20:36:05,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-22 20:36:05,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 20:36:05,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 20:36:05,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 20:36:05,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 20:36:05,752 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 20:36:05,753 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-22 20:36:05,753 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e89791a2e8bde62b11f5e3f45edc8f6b1d8831a0e105552a6da22a3ff44c454 [2021-12-22 20:36:05,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 20:36:06,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 20:36:06,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 20:36:06,013 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 20:36:06,013 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 20:36:06,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c [2021-12-22 20:36:06,101 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/942136535/fab65a3b82de4714a3478f7e8bffaaf8/FLAGb703db4df [2021-12-22 20:36:06,471 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 20:36:06,472 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c [2021-12-22 20:36:06,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/942136535/fab65a3b82de4714a3478f7e8bffaaf8/FLAGb703db4df [2021-12-22 20:36:06,871 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/942136535/fab65a3b82de4714a3478f7e8bffaaf8 [2021-12-22 20:36:06,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 20:36:06,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 20:36:06,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 20:36:06,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 20:36:06,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 20:36:06,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:36:06" (1/1) ... [2021-12-22 20:36:06,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@570fe4bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:06, skipping insertion in model container [2021-12-22 20:36:06,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:36:06" (1/1) ... [2021-12-22 20:36:06,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 20:36:06,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 20:36:07,087 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.6_overflow.ufo.UNBOUNDED.pals.c[15177,15190] [2021-12-22 20:36:07,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:36:07,095 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 20:36:07,137 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.6_overflow.ufo.UNBOUNDED.pals.c[15177,15190] [2021-12-22 20:36:07,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:36:07,150 INFO L208 MainTranslator]: Completed translation [2021-12-22 20:36:07,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:07 WrapperNode [2021-12-22 20:36:07,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 20:36:07,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 20:36:07,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 20:36:07,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 20:36:07,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:07" (1/1) ... [2021-12-22 20:36:07,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:07" (1/1) ... [2021-12-22 20:36:07,194 INFO L137 Inliner]: procedures = 26, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 368 [2021-12-22 20:36:07,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 20:36:07,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 20:36:07,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 20:36:07,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 20:36:07,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:07" (1/1) ... [2021-12-22 20:36:07,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:07" (1/1) ... [2021-12-22 20:36:07,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:07" (1/1) ... [2021-12-22 20:36:07,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:07" (1/1) ... [2021-12-22 20:36:07,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:07" (1/1) ... [2021-12-22 20:36:07,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:07" (1/1) ... [2021-12-22 20:36:07,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:07" (1/1) ... [2021-12-22 20:36:07,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 20:36:07,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 20:36:07,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 20:36:07,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 20:36:07,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:07" (1/1) ... [2021-12-22 20:36:07,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:36:07,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:36:07,261 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) [2021-12-22 20:36:07,271 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 [2021-12-22 20:36:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 20:36:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 20:36:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 20:36:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 20:36:07,397 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 20:36:07,399 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 20:36:07,740 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 20:36:07,747 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 20:36:07,747 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 20:36:07,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:36:07 BoogieIcfgContainer [2021-12-22 20:36:07,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 20:36:07,750 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-22 20:36:07,750 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-22 20:36:07,753 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-22 20:36:07,753 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:36:07,754 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.12 08:36:06" (1/3) ... [2021-12-22 20:36:07,755 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65105647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:36:07, skipping insertion in model container [2021-12-22 20:36:07,755 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:36:07,755 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:07" (2/3) ... [2021-12-22 20:36:07,755 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65105647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:36:07, skipping insertion in model container [2021-12-22 20:36:07,756 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:36:07,756 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:36:07" (3/3) ... [2021-12-22 20:36:07,757 INFO L388 chiAutomizerObserver]: Analyzing ICFG pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c [2021-12-22 20:36:07,808 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-22 20:36:07,808 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-22 20:36:07,808 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-22 20:36:07,808 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-22 20:36:07,808 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-22 20:36:07,809 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-22 20:36:07,809 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-22 20:36:07,809 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-22 20:36:07,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.7314814814814814) internal successors, (187), 108 states have internal predecessors, (187), 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) [2021-12-22 20:36:07,841 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 59 [2021-12-22 20:36:07,842 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:36:07,842 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:36:07,849 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:36:07,849 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] [2021-12-22 20:36:07,849 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-22 20:36:07,850 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.7314814814814814) internal successors, (187), 108 states have internal predecessors, (187), 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) [2021-12-22 20:36:07,857 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 59 [2021-12-22 20:36:07,858 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:36:07,858 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:36:07,861 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:36:07,861 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] [2021-12-22 20:36:07,867 INFO L791 eck$LassoCheckResult]: Stem: 92#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(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 28#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#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~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 59#L230true assume !(0 == ~r1~0 % 256);init_~tmp~0#1 := 0; 104#L230-1true init_#res#1 := init_~tmp~0#1; 68#L391true main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#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; 33#L24true assume !(0 == assume_abort_if_not_~cond#1); 11#L23true 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; 25#L469-2true [2021-12-22 20:36:07,868 INFO L793 eck$LassoCheckResult]: Loop: 25#L469-2true assume !false;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; 9#L80true assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 90#L84true assume !(node1_~m1~0#1 != ~nomsg~0); 98#L84-1true ~mode1~0 := 0; 15#L80-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 89#L106true assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 84#L109true assume !(node2_~m2~0#1 != ~nomsg~0); 94#L109-1true ~mode2~0 := 0; 35#L106-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 29#L131true assume !(0 != ~mode3~0 % 256); 6#L144true assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 58#L144-2true ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 74#L131-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 102#L156true assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 60#L159true assume !(node4_~m4~0#1 != ~nomsg~0); 80#L159-1true ~mode4~0 := 0; 27#L156-2true assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 73#L181true assume !(0 != ~mode5~0 % 256); 75#L194true assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 101#L194-2true ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 31#L181-2true assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 24#L206true assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 83#L209true assume !(node6_~m6~0#1 != ~nomsg~0); 108#L209-1true ~mode6~0 := 0; 55#L206-2true 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; 52#L399true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1#1 := 0; 97#L399-1true check_#res#1 := check_~tmp~1#1; 4#L419true main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#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; 32#L501true assume !(0 == assert_~arg#1 % 256); 66#L496true assume { :end_inline_assert } true; 25#L469-2true [2021-12-22 20:36:07,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:36:07,873 INFO L85 PathProgramCache]: Analyzing trace with hash 2030119858, now seen corresponding path program 1 times [2021-12-22 20:36:07,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:36:07,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812403404] [2021-12-22 20:36:07,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:36:07,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:36:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:36:08,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:36:08,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:36:08,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812403404] [2021-12-22 20:36:08,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812403404] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:36:08,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:36:08,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 20:36:08,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230361217] [2021-12-22 20:36:08,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:36:08,086 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-22 20:36:08,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:36:08,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1889928533, now seen corresponding path program 1 times [2021-12-22 20:36:08,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:36:08,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511153901] [2021-12-22 20:36:08,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:36:08,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:36:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:36:08,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:36:08,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:36:08,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511153901] [2021-12-22 20:36:08,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511153901] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:36:08,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:36:08,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 20:36:08,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210250232] [2021-12-22 20:36:08,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:36:08,287 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-22 20:36:08,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:36:08,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 20:36:08,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 20:36:08,324 INFO L87 Difference]: Start difference. First operand has 109 states, 108 states have (on average 1.7314814814814814) internal successors, (187), 108 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:36:08,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:36:08,427 INFO L93 Difference]: Finished difference Result 108 states and 182 transitions. [2021-12-22 20:36:08,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 20:36:08,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 182 transitions. [2021-12-22 20:36:08,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2021-12-22 20:36:08,441 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 104 states and 139 transitions. [2021-12-22 20:36:08,445 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 104 [2021-12-22 20:36:08,446 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 104 [2021-12-22 20:36:08,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 104 states and 139 transitions. [2021-12-22 20:36:08,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:36:08,448 INFO L681 BuchiCegarLoop]: Abstraction has 104 states and 139 transitions. [2021-12-22 20:36:08,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states and 139 transitions. [2021-12-22 20:36:08,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-12-22 20:36:08,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 104 states have (on average 1.3365384615384615) internal successors, (139), 103 states have internal predecessors, (139), 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) [2021-12-22 20:36:08,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 139 transitions. [2021-12-22 20:36:08,476 INFO L704 BuchiCegarLoop]: Abstraction has 104 states and 139 transitions. [2021-12-22 20:36:08,476 INFO L587 BuchiCegarLoop]: Abstraction has 104 states and 139 transitions. [2021-12-22 20:36:08,476 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-22 20:36:08,476 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states and 139 transitions. [2021-12-22 20:36:08,478 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2021-12-22 20:36:08,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:36:08,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:36:08,479 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] [2021-12-22 20:36:08,480 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] [2021-12-22 20:36:08,480 INFO L791 eck$LassoCheckResult]: Stem: 337#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(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 277#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#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~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 278#L230 assume 0 == ~r1~0 % 256; 319#L231 assume ~id1~0 >= 0; 323#L232 assume 0 == ~st1~0; 308#L233 assume ~send1~0 == ~id1~0; 309#L234 assume 0 == ~mode1~0 % 256; 318#L235 assume ~id2~0 >= 0; 301#L236 assume 0 == ~st2~0; 302#L237 assume ~send2~0 == ~id2~0; 263#L238 assume 0 == ~mode2~0 % 256; 264#L239 assume ~id3~0 >= 0; 261#L240 assume 0 == ~st3~0; 262#L241 assume ~send3~0 == ~id3~0; 266#L242 assume 0 == ~mode3~0 % 256; 322#L243 assume ~id4~0 >= 0; 241#L244 assume 0 == ~st4~0; 242#L245 assume ~send4~0 == ~id4~0; 265#L246 assume 0 == ~mode4~0 % 256; 307#L247 assume ~id5~0 >= 0; 333#L248 assume 0 == ~st5~0; 237#L249 assume ~send5~0 == ~id5~0; 238#L250 assume 0 == ~mode5~0 % 256; 324#L251 assume ~id6~0 >= 0; 288#L252 assume 0 == ~st6~0; 289#L253 assume ~send6~0 == ~id6~0; 296#L254 assume 0 == ~mode6~0 % 256; 255#L255 assume ~id1~0 != ~id2~0; 256#L256 assume ~id1~0 != ~id3~0; 290#L257 assume ~id1~0 != ~id4~0; 267#L258 assume ~id1~0 != ~id5~0; 268#L259 assume ~id1~0 != ~id6~0; 310#L260 assume ~id2~0 != ~id3~0; 311#L261 assume ~id2~0 != ~id4~0; 297#L262 assume ~id2~0 != ~id5~0; 298#L263 assume ~id2~0 != ~id6~0; 303#L264 assume ~id3~0 != ~id4~0; 304#L265 assume ~id3~0 != ~id5~0; 249#L266 assume ~id3~0 != ~id6~0; 250#L267 assume ~id4~0 != ~id5~0; 259#L268 assume ~id4~0 != ~id6~0; 260#L269 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 305#L230-1 init_#res#1 := init_~tmp~0#1; 327#L391 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#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; 285#L24 assume !(0 == assume_abort_if_not_~cond#1); 251#L23 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; 252#L469-2 [2021-12-22 20:36:08,480 INFO L793 eck$LassoCheckResult]: Loop: 252#L469-2 assume !false;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; 246#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 247#L84 assume !(node1_~m1~0#1 != ~nomsg~0); 274#L84-1 ~mode1~0 := 0; 257#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 258#L106 assume !(0 != ~mode2~0 % 256); 336#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 281#L119-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 282#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 279#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 280#L134 assume !(node3_~m3~0#1 != ~nomsg~0); 286#L134-1 ~mode3~0 := 0; 287#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 329#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 320#L159 assume !(node4_~m4~0#1 != ~nomsg~0); 292#L159-1 ~mode4~0 := 0; 275#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 276#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 325#L184 assume !(node5_~m5~0#1 != ~nomsg~0); 254#L184-1 ~mode5~0 := 0; 283#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 269#L206 assume !(0 != ~mode6~0 % 256); 270#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 338#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 317#L206-2 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; 312#L399 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1#1 := 0; 294#L399-1 check_#res#1 := check_~tmp~1#1; 235#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#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; 236#L501 assume !(0 == assert_~arg#1 % 256); 284#L496 assume { :end_inline_assert } true; 252#L469-2 [2021-12-22 20:36:08,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:36:08,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 1 times [2021-12-22 20:36:08,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:36:08,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208887687] [2021-12-22 20:36:08,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:36:08,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:36:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:36:08,533 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:36:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:36:08,589 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:36:08,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:36:08,590 INFO L85 PathProgramCache]: Analyzing trace with hash 184711851, now seen corresponding path program 1 times [2021-12-22 20:36:08,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:36:08,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776508951] [2021-12-22 20:36:08,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:36:08,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:36:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:36:08,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:36:08,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:36:08,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776508951] [2021-12-22 20:36:08,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776508951] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:36:08,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:36:08,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 20:36:08,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876872479] [2021-12-22 20:36:08,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:36:08,659 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-22 20:36:08,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:36:08,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 20:36:08,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 20:36:08,661 INFO L87 Difference]: Start difference. First operand 104 states and 139 transitions. cyclomatic complexity: 36 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) [2021-12-22 20:36:08,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:36:08,697 INFO L93 Difference]: Finished difference Result 107 states and 141 transitions. [2021-12-22 20:36:08,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 20:36:08,698 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 107 states and 141 transitions. [2021-12-22 20:36:08,699 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2021-12-22 20:36:08,700 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 107 states to 104 states and 136 transitions. [2021-12-22 20:36:08,701 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 104 [2021-12-22 20:36:08,701 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 104 [2021-12-22 20:36:08,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 104 states and 136 transitions. [2021-12-22 20:36:08,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:36:08,702 INFO L681 BuchiCegarLoop]: Abstraction has 104 states and 136 transitions. [2021-12-22 20:36:08,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states and 136 transitions. [2021-12-22 20:36:08,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-12-22 20:36:08,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 104 states have (on average 1.3076923076923077) internal successors, (136), 103 states have internal predecessors, (136), 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) [2021-12-22 20:36:08,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 136 transitions. [2021-12-22 20:36:08,707 INFO L704 BuchiCegarLoop]: Abstraction has 104 states and 136 transitions. [2021-12-22 20:36:08,707 INFO L587 BuchiCegarLoop]: Abstraction has 104 states and 136 transitions. [2021-12-22 20:36:08,707 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-22 20:36:08,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states and 136 transitions. [2021-12-22 20:36:08,708 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2021-12-22 20:36:08,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:36:08,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:36:08,710 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] [2021-12-22 20:36:08,710 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, 1] [2021-12-22 20:36:08,710 INFO L791 eck$LassoCheckResult]: Stem: 560#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(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 500#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#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~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 501#L230 assume 0 == ~r1~0 % 256; 541#L231 assume ~id1~0 >= 0; 545#L232 assume 0 == ~st1~0; 530#L233 assume ~send1~0 == ~id1~0; 531#L234 assume 0 == ~mode1~0 % 256; 540#L235 assume ~id2~0 >= 0; 523#L236 assume 0 == ~st2~0; 524#L237 assume ~send2~0 == ~id2~0; 486#L238 assume 0 == ~mode2~0 % 256; 487#L239 assume ~id3~0 >= 0; 484#L240 assume 0 == ~st3~0; 485#L241 assume ~send3~0 == ~id3~0; 489#L242 assume 0 == ~mode3~0 % 256; 544#L243 assume ~id4~0 >= 0; 464#L244 assume 0 == ~st4~0; 465#L245 assume ~send4~0 == ~id4~0; 488#L246 assume 0 == ~mode4~0 % 256; 529#L247 assume ~id5~0 >= 0; 555#L248 assume 0 == ~st5~0; 460#L249 assume ~send5~0 == ~id5~0; 461#L250 assume 0 == ~mode5~0 % 256; 546#L251 assume ~id6~0 >= 0; 511#L252 assume 0 == ~st6~0; 512#L253 assume ~send6~0 == ~id6~0; 518#L254 assume 0 == ~mode6~0 % 256; 478#L255 assume ~id1~0 != ~id2~0; 479#L256 assume ~id1~0 != ~id3~0; 513#L257 assume ~id1~0 != ~id4~0; 490#L258 assume ~id1~0 != ~id5~0; 491#L259 assume ~id1~0 != ~id6~0; 532#L260 assume ~id2~0 != ~id3~0; 533#L261 assume ~id2~0 != ~id4~0; 519#L262 assume ~id2~0 != ~id5~0; 520#L263 assume ~id2~0 != ~id6~0; 525#L264 assume ~id3~0 != ~id4~0; 526#L265 assume ~id3~0 != ~id5~0; 472#L266 assume ~id3~0 != ~id6~0; 473#L267 assume ~id4~0 != ~id5~0; 482#L268 assume ~id4~0 != ~id6~0; 483#L269 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 527#L230-1 init_#res#1 := init_~tmp~0#1; 549#L391 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#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; 508#L24 assume !(0 == assume_abort_if_not_~cond#1); 474#L23 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; 475#L469-2 [2021-12-22 20:36:08,711 INFO L793 eck$LassoCheckResult]: Loop: 475#L469-2 assume !false;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; 469#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 470#L84 assume !(node1_~m1~0#1 != ~nomsg~0); 497#L84-1 ~mode1~0 := 0; 480#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 481#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 558#L109 assume !(node2_~m2~0#1 != ~nomsg~0); 538#L109-1 ~mode2~0 := 0; 505#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 502#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 503#L134 assume !(node3_~m3~0#1 != ~nomsg~0); 509#L134-1 ~mode3~0 := 0; 510#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 551#L156 assume !(0 != ~mode4~0 % 256); 521#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 522#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 498#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 499#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 547#L184 assume !(node5_~m5~0#1 != ~nomsg~0); 477#L184-1 ~mode5~0 := 0; 506#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 492#L206 assume !(0 != ~mode6~0 % 256); 493#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 561#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 539#L206-2 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; 534#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 535#L400 assume ~r1~0 % 256 >= 6; 517#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 557#L399-1 check_#res#1 := check_~tmp~1#1; 458#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#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; 459#L501 assume !(0 == assert_~arg#1 % 256); 507#L496 assume { :end_inline_assert } true; 475#L469-2 [2021-12-22 20:36:08,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:36:08,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 2 times [2021-12-22 20:36:08,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:36:08,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419314838] [2021-12-22 20:36:08,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:36:08,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:36:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:36:08,729 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:36:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:36:08,752 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:36:08,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:36:08,753 INFO L85 PathProgramCache]: Analyzing trace with hash 439824187, now seen corresponding path program 1 times [2021-12-22 20:36:08,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:36:08,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088091961] [2021-12-22 20:36:08,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:36:08,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:36:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:36:08,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:36:08,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:36:08,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088091961] [2021-12-22 20:36:08,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088091961] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:36:08,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:36:08,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 20:36:08,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858405296] [2021-12-22 20:36:08,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:36:08,791 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-22 20:36:08,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:36:08,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 20:36:08,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 20:36:08,793 INFO L87 Difference]: Start difference. First operand 104 states and 136 transitions. cyclomatic complexity: 33 Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-12-22 20:36:08,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:36:08,824 INFO L93 Difference]: Finished difference Result 156 states and 215 transitions. [2021-12-22 20:36:08,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 20:36:08,826 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 215 transitions. [2021-12-22 20:36:08,827 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 110 [2021-12-22 20:36:08,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 156 states and 215 transitions. [2021-12-22 20:36:08,831 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 156 [2021-12-22 20:36:08,832 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 156 [2021-12-22 20:36:08,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 156 states and 215 transitions. [2021-12-22 20:36:08,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:36:08,836 INFO L681 BuchiCegarLoop]: Abstraction has 156 states and 215 transitions. [2021-12-22 20:36:08,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states and 215 transitions. [2021-12-22 20:36:08,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2021-12-22 20:36:08,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 156 states have (on average 1.3782051282051282) internal successors, (215), 155 states have internal predecessors, (215), 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) [2021-12-22 20:36:08,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 215 transitions. [2021-12-22 20:36:08,848 INFO L704 BuchiCegarLoop]: Abstraction has 156 states and 215 transitions. [2021-12-22 20:36:08,848 INFO L587 BuchiCegarLoop]: Abstraction has 156 states and 215 transitions. [2021-12-22 20:36:08,848 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-22 20:36:08,848 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 156 states and 215 transitions. [2021-12-22 20:36:08,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 110 [2021-12-22 20:36:08,851 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:36:08,851 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:36:08,856 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] [2021-12-22 20:36:08,856 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, 1, 1] [2021-12-22 20:36:08,856 INFO L791 eck$LassoCheckResult]: Stem: 828#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(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 766#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#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~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 767#L230 assume 0 == ~r1~0 % 256; 807#L231 assume ~id1~0 >= 0; 812#L232 assume 0 == ~st1~0; 796#L233 assume ~send1~0 == ~id1~0; 797#L234 assume 0 == ~mode1~0 % 256; 806#L235 assume ~id2~0 >= 0; 789#L236 assume 0 == ~st2~0; 790#L237 assume ~send2~0 == ~id2~0; 752#L238 assume 0 == ~mode2~0 % 256; 753#L239 assume ~id3~0 >= 0; 750#L240 assume 0 == ~st3~0; 751#L241 assume ~send3~0 == ~id3~0; 755#L242 assume 0 == ~mode3~0 % 256; 811#L243 assume ~id4~0 >= 0; 730#L244 assume 0 == ~st4~0; 731#L245 assume ~send4~0 == ~id4~0; 754#L246 assume 0 == ~mode4~0 % 256; 795#L247 assume ~id5~0 >= 0; 822#L248 assume 0 == ~st5~0; 726#L249 assume ~send5~0 == ~id5~0; 727#L250 assume 0 == ~mode5~0 % 256; 813#L251 assume ~id6~0 >= 0; 777#L252 assume 0 == ~st6~0; 778#L253 assume ~send6~0 == ~id6~0; 784#L254 assume 0 == ~mode6~0 % 256; 744#L255 assume ~id1~0 != ~id2~0; 745#L256 assume ~id1~0 != ~id3~0; 779#L257 assume ~id1~0 != ~id4~0; 756#L258 assume ~id1~0 != ~id5~0; 757#L259 assume ~id1~0 != ~id6~0; 798#L260 assume ~id2~0 != ~id3~0; 799#L261 assume ~id2~0 != ~id4~0; 785#L262 assume ~id2~0 != ~id5~0; 786#L263 assume ~id2~0 != ~id6~0; 791#L264 assume ~id3~0 != ~id4~0; 792#L265 assume ~id3~0 != ~id5~0; 738#L266 assume ~id3~0 != ~id6~0; 739#L267 assume ~id4~0 != ~id5~0; 748#L268 assume ~id4~0 != ~id6~0; 749#L269 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 793#L230-1 init_#res#1 := init_~tmp~0#1; 816#L391 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#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; 774#L24 assume !(0 == assume_abort_if_not_~cond#1); 740#L23 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; 741#L469-2 [2021-12-22 20:36:08,857 INFO L793 eck$LassoCheckResult]: Loop: 741#L469-2 assume !false;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; 735#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 736#L84 assume !(node1_~m1~0#1 != ~nomsg~0); 763#L84-1 ~mode1~0 := 0; 746#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 747#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 826#L109 assume !(node2_~m2~0#1 != ~nomsg~0); 804#L109-1 ~mode2~0 := 0; 771#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 768#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 769#L134 assume !(node3_~m3~0#1 != ~nomsg~0); 775#L134-1 ~mode3~0 := 0; 776#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 818#L156 assume !(0 != ~mode4~0 % 256); 787#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 788#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 764#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 765#L181 assume !(0 != ~mode5~0 % 256); 817#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 819#L194-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 772#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 758#L206 assume !(0 != ~mode6~0 % 256); 759#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 835#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 834#L206-2 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; 833#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 832#L400 assume !(~r1~0 % 256 >= 6); 782#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 783#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 829#L399-1 check_#res#1 := check_~tmp~1#1; 724#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#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; 725#L501 assume !(0 == assert_~arg#1 % 256); 773#L496 assume { :end_inline_assert } true; 741#L469-2 [2021-12-22 20:36:08,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:36:08,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 3 times [2021-12-22 20:36:08,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:36:08,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013340743] [2021-12-22 20:36:08,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:36:08,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:36:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:36:08,888 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:36:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:36:08,935 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:36:08,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:36:08,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1811628521, now seen corresponding path program 1 times [2021-12-22 20:36:08,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:36:08,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085433673] [2021-12-22 20:36:08,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:36:08,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:36:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:36:08,948 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:36:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:36:08,974 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:36:08,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:36:08,975 INFO L85 PathProgramCache]: Analyzing trace with hash 892160821, now seen corresponding path program 1 times [2021-12-22 20:36:08,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:36:08,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133438431] [2021-12-22 20:36:08,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:36:08,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:36:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:36:09,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:36:09,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:36:09,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133438431] [2021-12-22 20:36:09,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133438431] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:36:09,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:36:09,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 20:36:09,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746556707] [2021-12-22 20:36:09,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:36:10,334 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 20:36:10,334 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 20:36:10,335 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 20:36:10,335 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 20:36:10,335 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-22 20:36:10,335 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:36:10,335 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 20:36:10,335 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 20:36:10,335 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c_Iteration4_Loop [2021-12-22 20:36:10,336 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 20:36:10,336 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 20:36:10,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:10,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:10,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:10,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:10,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:10,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:10,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:10,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:10,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:10,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:10,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:10,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:10,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:10,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:10,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:10,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:10,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:10,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:11,323 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-12-22 20:36:38,602 WARN L227 SmtUtils]: Spent 27.16s on a formula simplification. DAG size of input: 351 DAG size of output: 199 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-22 20:36:38,736 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 20:36:38,737 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-22 20:36:38,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:36:38,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:36:38,743 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) [2021-12-22 20:36:38,753 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:36:38,753 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:36:38,775 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 [2021-12-22 20:36:38,804 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 [2021-12-22 20:36:38,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:36:38,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:36:38,806 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) [2021-12-22 20:36:38,812 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 [2021-12-22 20:36:38,813 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-22 20:36:38,813 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:36:39,048 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-22 20:36:39,056 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 [2021-12-22 20:36:39,056 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 20:36:39,056 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 20:36:39,056 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 20:36:39,056 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 20:36:39,057 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 20:36:39,057 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:36:39,057 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 20:36:39,057 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 20:36:39,057 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c_Iteration4_Loop [2021-12-22 20:36:39,057 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 20:36:39,057 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 20:36:39,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:39,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:39,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:39,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:39,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:39,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:39,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:39,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:39,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:39,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:39,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:39,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:39,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:39,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:39,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:39,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:39,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:39,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:36:40,117 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-12-22 20:37:06,709 WARN L227 SmtUtils]: Spent 26.55s on a formula simplification. DAG size of input: 351 DAG size of output: 199 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-22 20:37:06,812 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 20:37:06,816 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 20:37:06,817 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:06,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:06,820 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) [2021-12-22 20:37:06,824 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 [2021-12-22 20:37:06,825 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 [2021-12-22 20:37:06,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:06,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:06,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:06,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:37:06,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:37:06,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:37:06,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:37:06,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:37:06,876 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 [2021-12-22 20:37:06,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:06,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:06,878 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) [2021-12-22 20:37:06,885 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 [2021-12-22 20:37:06,886 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 [2021-12-22 20:37:06,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:06,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:06,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:06,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:37:06,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:37:06,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:37:06,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:37:06,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:37:06,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-22 20:37:06,931 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:06,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:06,933 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) [2021-12-22 20:37:06,934 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 [2021-12-22 20:37:06,935 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 [2021-12-22 20:37:06,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:06,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:06,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:06,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:37:06,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:37:06,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:37:06,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:37:06,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:37:06,983 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 [2021-12-22 20:37:06,983 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:06,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:06,985 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) [2021-12-22 20:37:06,994 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 [2021-12-22 20:37:07,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:07,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:07,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:07,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:37:07,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:37:07,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:37:07,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:37:07,004 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 [2021-12-22 20:37:07,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:37:07,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-22 20:37:07,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:07,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:07,036 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) [2021-12-22 20:37:07,042 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 [2021-12-22 20:37:07,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:07,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:07,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:07,051 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2021-12-22 20:37:07,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:37:07,051 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 [2021-12-22 20:37:07,571 INFO L401 nArgumentSynthesizer]: We have 128 Motzkin's Theorem applications. [2021-12-22 20:37:07,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:37:08,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:37:08,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-22 20:37:08,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:08,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:08,209 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) [2021-12-22 20:37:08,211 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 [2021-12-22 20:37:08,215 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 [2021-12-22 20:37:08,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:08,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:08,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:08,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:37:08,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:37:08,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:37:08,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:37:08,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:37:08,241 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 [2021-12-22 20:37:08,242 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:08,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:08,243 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) [2021-12-22 20:37:08,252 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 [2021-12-22 20:37:08,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:08,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:08,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:08,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:37:08,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:37:08,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:37:08,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:37:08,265 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 [2021-12-22 20:37:08,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:37:08,300 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 [2021-12-22 20:37:08,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:08,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:08,301 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) [2021-12-22 20:37:08,308 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 [2021-12-22 20:37:08,308 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 [2021-12-22 20:37:08,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:08,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:08,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:08,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:37:08,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:37:08,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:37:08,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:37:08,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:37:08,333 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-22 20:37:08,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:08,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:08,335 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) [2021-12-22 20:37:08,335 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 [2021-12-22 20:37:08,339 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 [2021-12-22 20:37:08,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:08,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:08,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:08,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:37:08,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:37:08,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:37:08,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:37:08,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:37:08,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-22 20:37:08,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:08,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:08,368 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) [2021-12-22 20:37:08,369 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 [2021-12-22 20:37:08,371 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 [2021-12-22 20:37:08,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:08,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:08,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:08,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:37:08,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:37:08,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:37:08,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:37:08,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:37:08,408 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 [2021-12-22 20:37:08,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:08,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:08,409 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) [2021-12-22 20:37:08,410 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 [2021-12-22 20:37:08,411 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 [2021-12-22 20:37:08,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:08,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:08,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:08,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:37:08,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:37:08,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:37:08,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:37:08,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:37:08,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-22 20:37:08,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:08,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:08,436 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) [2021-12-22 20:37:08,437 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 [2021-12-22 20:37:08,439 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 [2021-12-22 20:37:08,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:08,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:08,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:08,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:37:08,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:37:08,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:37:08,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:37:08,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:37:08,462 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 [2021-12-22 20:37:08,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:08,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:08,463 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) [2021-12-22 20:37:08,465 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 [2021-12-22 20:37:08,466 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 [2021-12-22 20:37:08,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:08,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:08,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:08,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:37:08,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:37:08,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:37:08,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:37:08,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:37:08,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-22 20:37:08,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:08,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:08,493 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) [2021-12-22 20:37:08,494 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 [2021-12-22 20:37:08,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:37:08,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:08,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:08,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:08,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:37:08,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:37:08,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:37:08,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:37:08,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:37:08,520 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 [2021-12-22 20:37:08,520 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:08,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:08,521 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) [2021-12-22 20:37:08,522 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 [2021-12-22 20:37:08,523 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 [2021-12-22 20:37:08,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:08,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:08,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:08,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:37:08,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:37:08,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:37:08,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:37:08,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:37:08,547 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 [2021-12-22 20:37:08,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:08,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:08,548 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) [2021-12-22 20:37:08,548 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 [2021-12-22 20:37:08,550 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 [2021-12-22 20:37:08,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:08,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:08,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:08,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:37:08,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:37:08,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:37:08,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:37:08,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:37:08,575 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 [2021-12-22 20:37:08,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:08,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:08,576 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) [2021-12-22 20:37:08,579 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 [2021-12-22 20:37:08,580 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 [2021-12-22 20:37:08,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:08,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:08,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:08,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:37:08,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:37:08,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:37:08,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:37:08,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:37:08,629 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 [2021-12-22 20:37:08,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:08,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:08,631 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:37:08,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-22 20:37:08,634 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 [2021-12-22 20:37:08,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:08,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:08,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:08,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:37:08,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:37:08,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:37:08,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:37:08,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:37:08,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-22 20:37:08,660 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-22 20:37:08,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:08,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:08,661 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:37:08,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-22 20:37:08,662 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 [2021-12-22 20:37:08,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:08,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:08,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:08,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:37:08,669 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 20:37:08,671 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 20:37:08,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:37:08,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:37:08,688 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-22 20:37:08,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:08,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:08,689 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:37:08,696 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 [2021-12-22 20:37:08,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-22 20:37:08,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:08,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:08,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:08,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:37:08,705 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 20:37:08,706 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 20:37:08,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:37:08,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:37:08,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-22 20:37:08,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:08,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:08,752 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:37:08,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-22 20:37:08,756 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 [2021-12-22 20:37:08,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:08,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:08,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:08,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:37:08,764 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 20:37:08,764 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 20:37:08,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:37:08,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:37:08,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-22 20:37:08,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:08,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:08,806 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:37:08,812 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 [2021-12-22 20:37:08,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:08,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:08,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:08,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:37:08,820 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 20:37:08,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-22 20:37:08,821 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 20:37:08,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:37:08,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:37:08,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-22 20:37:08,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:37:08,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:37:08,839 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:37:08,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-22 20:37:08,841 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 [2021-12-22 20:37:08,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:37:08,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:37:08,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:37:08,851 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2021-12-22 20:37:08,851 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 20:37:09,593 INFO L401 nArgumentSynthesizer]: We have 192 Motzkin's Theorem applications. [2021-12-22 20:37:09,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.