./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/systemc/toy2.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/systemc/toy2.cil.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 a77d6f304c19846fdc8cd5bba9216d69953659ded966cffbf7faa285e2d864a4 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 19:17:07,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 19:17:07,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 19:17:07,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 19:17:07,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 19:17:07,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 19:17:07,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 19:17:07,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 19:17:07,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 19:17:07,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 19:17:07,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 19:17:07,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 19:17:07,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 19:17:07,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 19:17:07,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 19:17:07,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 19:17:07,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 19:17:07,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 19:17:07,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 19:17:07,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 19:17:07,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 19:17:07,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 19:17:07,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 19:17:07,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 19:17:07,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 19:17:07,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 19:17:07,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 19:17:07,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 19:17:07,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 19:17:07,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 19:17:07,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 19:17:07,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 19:17:07,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 19:17:07,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 19:17:07,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 19:17:07,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 19:17:07,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 19:17:07,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 19:17:07,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 19:17:07,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 19:17:07,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 19:17:07,582 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-19 19:17:07,596 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 19:17:07,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 19:17:07,597 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 19:17:07,597 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 19:17:07,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 19:17:07,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 19:17:07,598 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 19:17:07,599 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-19 19:17:07,599 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-19 19:17:07,599 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-19 19:17:07,599 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-19 19:17:07,599 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-19 19:17:07,600 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-19 19:17:07,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 19:17:07,600 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-19 19:17:07,600 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 19:17:07,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 19:17:07,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-19 19:17:07,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 19:17:07,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-19 19:17:07,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-19 19:17:07,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-19 19:17:07,601 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-19 19:17:07,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 19:17:07,602 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-19 19:17:07,602 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 19:17:07,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-19 19:17:07,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 19:17:07,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 19:17:07,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 19:17:07,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 19:17:07,603 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 19:17:07,604 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-19 19:17:07,605 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a77d6f304c19846fdc8cd5bba9216d69953659ded966cffbf7faa285e2d864a4 [2021-12-19 19:17:07,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 19:17:07,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 19:17:07,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 19:17:07,808 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 19:17:07,809 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 19:17:07,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/toy2.cil.c [2021-12-19 19:17:07,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f60f7d855/f110e858a0a14272952da099da4c9aab/FLAGdfcbb0bbd [2021-12-19 19:17:08,224 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 19:17:08,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/toy2.cil.c [2021-12-19 19:17:08,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f60f7d855/f110e858a0a14272952da099da4c9aab/FLAGdfcbb0bbd [2021-12-19 19:17:08,247 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f60f7d855/f110e858a0a14272952da099da4c9aab [2021-12-19 19:17:08,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 19:17:08,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 19:17:08,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 19:17:08,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 19:17:08,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 19:17:08,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 07:17:08" (1/1) ... [2021-12-19 19:17:08,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5043781e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:17:08, skipping insertion in model container [2021-12-19 19:17:08,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 07:17:08" (1/1) ... [2021-12-19 19:17:08,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 19:17:08,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 19:17:08,395 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/systemc/toy2.cil.c[698,711] [2021-12-19 19:17:08,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 19:17:08,441 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 19:17:08,448 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/systemc/toy2.cil.c[698,711] [2021-12-19 19:17:08,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 19:17:08,478 INFO L208 MainTranslator]: Completed translation [2021-12-19 19:17:08,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:17:08 WrapperNode [2021-12-19 19:17:08,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 19:17:08,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 19:17:08,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 19:17:08,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 19:17:08,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:17:08" (1/1) ... [2021-12-19 19:17:08,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:17:08" (1/1) ... [2021-12-19 19:17:08,526 INFO L137 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 356 [2021-12-19 19:17:08,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 19:17:08,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 19:17:08,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 19:17:08,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 19:17:08,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:17:08" (1/1) ... [2021-12-19 19:17:08,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:17:08" (1/1) ... [2021-12-19 19:17:08,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:17:08" (1/1) ... [2021-12-19 19:17:08,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:17:08" (1/1) ... [2021-12-19 19:17:08,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:17:08" (1/1) ... [2021-12-19 19:17:08,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:17:08" (1/1) ... [2021-12-19 19:17:08,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:17:08" (1/1) ... [2021-12-19 19:17:08,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 19:17:08,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 19:17:08,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 19:17:08,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 19:17:08,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:17:08" (1/1) ... [2021-12-19 19:17:08,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:08,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:08,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:08,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-19 19:17:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-19 19:17:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-19 19:17:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 19:17:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 19:17:08,678 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 19:17:08,679 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 19:17:08,956 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 19:17:08,962 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 19:17:08,962 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-19 19:17:08,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:17:08 BoogieIcfgContainer [2021-12-19 19:17:08,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 19:17:08,964 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-19 19:17:08,965 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-19 19:17:08,970 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-19 19:17:08,971 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:17:08,971 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.12 07:17:08" (1/3) ... [2021-12-19 19:17:08,972 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49ec5ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 07:17:08, skipping insertion in model container [2021-12-19 19:17:08,972 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:17:08,972 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:17:08" (2/3) ... [2021-12-19 19:17:08,972 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49ec5ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 07:17:08, skipping insertion in model container [2021-12-19 19:17:08,972 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:17:08,972 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:17:08" (3/3) ... [2021-12-19 19:17:08,973 INFO L388 chiAutomizerObserver]: Analyzing ICFG toy2.cil.c [2021-12-19 19:17:09,006 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-19 19:17:09,006 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-19 19:17:09,006 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-19 19:17:09,006 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-19 19:17:09,006 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-19 19:17:09,007 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-19 19:17:09,007 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-19 19:17:09,007 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-19 19:17:09,024 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 130 states, 129 states have (on average 1.8294573643410852) internal successors, (236), 129 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:09,039 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2021-12-19 19:17:09,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:17:09,039 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:17:09,047 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] [2021-12-19 19:17:09,047 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] [2021-12-19 19:17:09,047 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-19 19:17:09,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 130 states, 129 states have (on average 1.8294573643410852) internal successors, (236), 129 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:09,051 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2021-12-19 19:17:09,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:17:09,051 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:17:09,053 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] [2021-12-19 19:17:09,054 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] [2021-12-19 19:17:09,059 INFO L791 eck$LassoCheckResult]: Stem: 119#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 47#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 114#L404true assume !(1 == ~c_req_up~0); 67#L404-2true assume !(1 == ~wl_i~0);~wl_st~0 := 2; 26#L415-1true assume !(1 == ~c1_i~0);~c1_st~0 := 2; 56#L420-1true assume 1 == ~c2_i~0;~c2_st~0 := 0; 90#L425-1true assume !(1 == ~wb_i~0);~wb_st~0 := 2; 44#L430-1true assume !(1 == ~r_i~0);~r_st~0 := 2; 126#L435-1true assume !(0 == ~e_f~0); 32#L440-1true assume !(0 == ~e_g~0); 49#L445-1true assume !(0 == ~e_e~0); 52#L450-1true assume !(0 == ~e_c~0); 25#L455-1true assume !(0 == ~e_wl~0); 82#L460-1true assume !(1 == ~wl_pc~0); 39#L472true assume !(2 == ~wl_pc~0); 123#L473true assume !(1 == ~c1_pc~0); 104#L483true assume !(1 == ~c2_pc~0); 115#L492true assume !(1 == ~wb_pc~0); 58#L501true assume !(1 == ~e_c~0); 37#L510-1true assume !(1 == ~e_e~0); 27#L515-1true assume !(1 == ~e_f~0); 16#L520-1true assume !(1 == ~e_g~0); 50#L525-1true assume !(1 == ~e_c~0); 87#L530-1true assume !(1 == ~e_wl~0); 69#L672-1true [2021-12-19 19:17:09,059 INFO L793 eck$LassoCheckResult]: Loop: 69#L672-1true assume !false; 9#L542true start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 128#L377true assume !true; 24#L393true assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 68#L548true assume !(1 == ~c_req_up~0); 12#L548-2true start_simulation_~kernel_st~0#1 := 3; 29#L560true assume 0 == ~e_f~0;~e_f~0 := 1; 98#L560-2true assume 0 == ~e_g~0;~e_g~0 := 1; 20#L565-1true assume 0 == ~e_e~0;~e_e~0 := 1; 129#L570-1true assume 0 == ~e_c~0;~e_c~0 := 1; 40#L575-1true assume 0 == ~e_wl~0;~e_wl~0 := 1; 124#L580-1true assume 1 == ~wl_pc~0; 102#L586true assume 1 == ~e_wl~0;~wl_st~0 := 0; 85#L593true assume !(1 == ~c1_pc~0); 116#L603true assume !(1 == ~c2_pc~0); 5#L612true assume !(1 == ~wb_pc~0); 66#L621true assume !(1 == ~e_c~0); 64#L630-1true assume 1 == ~e_e~0;~e_e~0 := 2; 131#L635-1true assume 1 == ~e_f~0;~e_f~0 := 2; 130#L640-1true assume 1 == ~e_g~0;~e_g~0 := 2; 112#L645-1true assume 1 == ~e_c~0;~e_c~0 := 2; 14#L650-1true assume 1 == ~e_wl~0;~e_wl~0 := 2; 45#L655-1true assume 0 == ~wl_st~0; 69#L672-1true [2021-12-19 19:17:09,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:09,071 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 1 times [2021-12-19 19:17:09,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:09,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514134686] [2021-12-19 19:17:09,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:09,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:09,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:09,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:09,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514134686] [2021-12-19 19:17:09,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514134686] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:09,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:09,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 19:17:09,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075512153] [2021-12-19 19:17:09,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:09,261 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 19:17:09,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:09,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1920133393, now seen corresponding path program 1 times [2021-12-19 19:17:09,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:09,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057912741] [2021-12-19 19:17:09,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:09,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:09,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:09,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:09,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057912741] [2021-12-19 19:17:09,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057912741] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:09,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:09,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-19 19:17:09,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214920119] [2021-12-19 19:17:09,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:09,292 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-19 19:17:09,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:17:09,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-19 19:17:09,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-19 19:17:09,322 INFO L87 Difference]: Start difference. First operand has 130 states, 129 states have (on average 1.8294573643410852) internal successors, (236), 129 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:09,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:17:09,344 INFO L93 Difference]: Finished difference Result 129 states and 222 transitions. [2021-12-19 19:17:09,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-19 19:17:09,348 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 129 states and 222 transitions. [2021-12-19 19:17:09,356 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2021-12-19 19:17:09,360 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 129 states to 124 states and 217 transitions. [2021-12-19 19:17:09,360 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2021-12-19 19:17:09,362 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2021-12-19 19:17:09,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 217 transitions. [2021-12-19 19:17:09,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:17:09,363 INFO L681 BuchiCegarLoop]: Abstraction has 124 states and 217 transitions. [2021-12-19 19:17:09,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 217 transitions. [2021-12-19 19:17:09,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-12-19 19:17:09,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.75) internal successors, (217), 123 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:09,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 217 transitions. [2021-12-19 19:17:09,390 INFO L704 BuchiCegarLoop]: Abstraction has 124 states and 217 transitions. [2021-12-19 19:17:09,390 INFO L587 BuchiCegarLoop]: Abstraction has 124 states and 217 transitions. [2021-12-19 19:17:09,390 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-19 19:17:09,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 217 transitions. [2021-12-19 19:17:09,393 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2021-12-19 19:17:09,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:17:09,394 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:17:09,395 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] [2021-12-19 19:17:09,395 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] [2021-12-19 19:17:09,395 INFO L791 eck$LassoCheckResult]: Stem: 389#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 346#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 347#L404 assume !(1 == ~c_req_up~0); 367#L404-2 assume !(1 == ~wl_i~0);~wl_st~0 := 2; 314#L415-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 315#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 360#L425-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 343#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 344#L435-1 assume !(0 == ~e_f~0); 323#L440-1 assume !(0 == ~e_g~0); 324#L445-1 assume !(0 == ~e_e~0); 350#L450-1 assume !(0 == ~e_c~0); 312#L455-1 assume !(0 == ~e_wl~0); 313#L460-1 assume !(1 == ~wl_pc~0); 332#L472 assume !(2 == ~wl_pc~0); 333#L473 assume !(1 == ~c1_pc~0); 384#L483 assume !(1 == ~c2_pc~0); 298#L492 assume !(1 == ~wb_pc~0); 349#L501 assume !(1 == ~e_c~0); 330#L510-1 assume !(1 == ~e_e~0); 316#L515-1 assume !(1 == ~e_f~0); 295#L520-1 assume !(1 == ~e_g~0); 296#L525-1 assume !(1 == ~e_c~0); 351#L530-1 assume !(1 == ~e_wl~0); 293#L672-1 [2021-12-19 19:17:09,399 INFO L793 eck$LassoCheckResult]: Loop: 293#L672-1 assume !false; 281#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 269#L377 assume !false; 276#L295 assume !(0 == ~wl_st~0); 278#L299 assume !(0 == ~c1_st~0); 342#L302 assume !(0 == ~c2_st~0); 368#L305 assume !(0 == ~wb_st~0); 288#L308 assume !(0 == ~r_st~0); 289#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 311#L548 assume !(1 == ~c_req_up~0); 286#L548-2 start_simulation_~kernel_st~0#1 := 3; 287#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 319#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 305#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 306#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 338#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 339#L580-1 assume !(1 == ~wl_pc~0); 308#L592 assume !(2 == ~wl_pc~0); 309#L593 assume !(1 == ~c1_pc~0); 359#L603 assume !(1 == ~c2_pc~0); 270#L612 assume !(1 == ~wb_pc~0); 272#L621 assume !(1 == ~e_c~0); 364#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 365#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 391#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 388#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 290#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 291#L655-1 assume 0 == ~wl_st~0; 293#L672-1 [2021-12-19 19:17:09,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:09,400 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 2 times [2021-12-19 19:17:09,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:09,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093931690] [2021-12-19 19:17:09,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:09,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:09,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:09,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:09,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093931690] [2021-12-19 19:17:09,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093931690] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:09,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:09,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 19:17:09,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032807960] [2021-12-19 19:17:09,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:09,447 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 19:17:09,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:09,448 INFO L85 PathProgramCache]: Analyzing trace with hash 86756478, now seen corresponding path program 1 times [2021-12-19 19:17:09,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:09,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418812942] [2021-12-19 19:17:09,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:09,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:09,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:09,468 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:09,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418812942] [2021-12-19 19:17:09,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418812942] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:09,469 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:09,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 19:17:09,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498219450] [2021-12-19 19:17:09,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:09,470 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-19 19:17:09,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:17:09,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 19:17:09,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 19:17:09,471 INFO L87 Difference]: Start difference. First operand 124 states and 217 transitions. cyclomatic complexity: 94 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:09,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:17:09,494 INFO L93 Difference]: Finished difference Result 124 states and 216 transitions. [2021-12-19 19:17:09,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 19:17:09,495 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 216 transitions. [2021-12-19 19:17:09,497 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2021-12-19 19:17:09,499 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 124 states and 216 transitions. [2021-12-19 19:17:09,499 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2021-12-19 19:17:09,499 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2021-12-19 19:17:09,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 216 transitions. [2021-12-19 19:17:09,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:17:09,501 INFO L681 BuchiCegarLoop]: Abstraction has 124 states and 216 transitions. [2021-12-19 19:17:09,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 216 transitions. [2021-12-19 19:17:09,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-12-19 19:17:09,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.7419354838709677) internal successors, (216), 123 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:09,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 216 transitions. [2021-12-19 19:17:09,508 INFO L704 BuchiCegarLoop]: Abstraction has 124 states and 216 transitions. [2021-12-19 19:17:09,508 INFO L587 BuchiCegarLoop]: Abstraction has 124 states and 216 transitions. [2021-12-19 19:17:09,508 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-19 19:17:09,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 216 transitions. [2021-12-19 19:17:09,509 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2021-12-19 19:17:09,509 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:17:09,509 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:17:09,512 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] [2021-12-19 19:17:09,512 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] [2021-12-19 19:17:09,512 INFO L791 eck$LassoCheckResult]: Stem: 644#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 601#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 602#L404 assume !(1 == ~c_req_up~0); 622#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 569#L415-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 570#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 615#L425-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 598#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 599#L435-1 assume !(0 == ~e_f~0); 578#L440-1 assume !(0 == ~e_g~0); 579#L445-1 assume !(0 == ~e_e~0); 605#L450-1 assume !(0 == ~e_c~0); 567#L455-1 assume !(0 == ~e_wl~0); 568#L460-1 assume !(1 == ~wl_pc~0); 587#L472 assume !(2 == ~wl_pc~0); 588#L473 assume !(1 == ~c1_pc~0); 639#L483 assume !(1 == ~c2_pc~0); 553#L492 assume !(1 == ~wb_pc~0); 604#L501 assume !(1 == ~e_c~0); 585#L510-1 assume !(1 == ~e_e~0); 571#L515-1 assume !(1 == ~e_f~0); 550#L520-1 assume !(1 == ~e_g~0); 551#L525-1 assume !(1 == ~e_c~0); 606#L530-1 assume !(1 == ~e_wl~0); 548#L672-1 [2021-12-19 19:17:09,512 INFO L793 eck$LassoCheckResult]: Loop: 548#L672-1 assume !false; 536#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 524#L377 assume !false; 531#L295 assume !(0 == ~wl_st~0); 533#L299 assume !(0 == ~c1_st~0); 597#L302 assume !(0 == ~c2_st~0); 623#L305 assume !(0 == ~wb_st~0); 543#L308 assume !(0 == ~r_st~0); 544#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 566#L548 assume !(1 == ~c_req_up~0); 541#L548-2 start_simulation_~kernel_st~0#1 := 3; 542#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 574#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 560#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 561#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 593#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 594#L580-1 assume !(1 == ~wl_pc~0); 563#L592 assume !(2 == ~wl_pc~0); 564#L593 assume !(1 == ~c1_pc~0); 614#L603 assume !(1 == ~c2_pc~0); 525#L612 assume !(1 == ~wb_pc~0); 527#L621 assume !(1 == ~e_c~0); 619#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 620#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 646#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 643#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 545#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 546#L655-1 assume 0 == ~wl_st~0; 548#L672-1 [2021-12-19 19:17:09,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:09,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1738779219, now seen corresponding path program 1 times [2021-12-19 19:17:09,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:09,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429346951] [2021-12-19 19:17:09,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:09,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:09,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:09,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:09,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429346951] [2021-12-19 19:17:09,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429346951] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:09,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:09,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 19:17:09,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650977162] [2021-12-19 19:17:09,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:09,552 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 19:17:09,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:09,552 INFO L85 PathProgramCache]: Analyzing trace with hash 86756478, now seen corresponding path program 2 times [2021-12-19 19:17:09,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:09,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719054760] [2021-12-19 19:17:09,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:09,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:09,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:09,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:09,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719054760] [2021-12-19 19:17:09,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719054760] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:09,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:09,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 19:17:09,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089998745] [2021-12-19 19:17:09,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:09,577 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-19 19:17:09,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:17:09,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 19:17:09,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 19:17:09,578 INFO L87 Difference]: Start difference. First operand 124 states and 216 transitions. cyclomatic complexity: 93 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:09,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:17:09,588 INFO L93 Difference]: Finished difference Result 124 states and 215 transitions. [2021-12-19 19:17:09,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 19:17:09,590 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 215 transitions. [2021-12-19 19:17:09,592 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2021-12-19 19:17:09,593 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 124 states and 215 transitions. [2021-12-19 19:17:09,593 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2021-12-19 19:17:09,594 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2021-12-19 19:17:09,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 215 transitions. [2021-12-19 19:17:09,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:17:09,597 INFO L681 BuchiCegarLoop]: Abstraction has 124 states and 215 transitions. [2021-12-19 19:17:09,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 215 transitions. [2021-12-19 19:17:09,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-12-19 19:17:09,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.7338709677419355) internal successors, (215), 123 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) [2021-12-19 19:17:09,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 215 transitions. [2021-12-19 19:17:09,601 INFO L704 BuchiCegarLoop]: Abstraction has 124 states and 215 transitions. [2021-12-19 19:17:09,601 INFO L587 BuchiCegarLoop]: Abstraction has 124 states and 215 transitions. [2021-12-19 19:17:09,601 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-19 19:17:09,602 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 215 transitions. [2021-12-19 19:17:09,602 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2021-12-19 19:17:09,602 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:17:09,602 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:17:09,603 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] [2021-12-19 19:17:09,603 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] [2021-12-19 19:17:09,603 INFO L791 eck$LassoCheckResult]: Stem: 899#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 856#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 857#L404 assume !(1 == ~c_req_up~0); 877#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 824#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 825#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 870#L425-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 853#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 854#L435-1 assume !(0 == ~e_f~0); 833#L440-1 assume !(0 == ~e_g~0); 834#L445-1 assume !(0 == ~e_e~0); 860#L450-1 assume !(0 == ~e_c~0); 822#L455-1 assume !(0 == ~e_wl~0); 823#L460-1 assume !(1 == ~wl_pc~0); 842#L472 assume !(2 == ~wl_pc~0); 843#L473 assume !(1 == ~c1_pc~0); 894#L483 assume !(1 == ~c2_pc~0); 808#L492 assume !(1 == ~wb_pc~0); 859#L501 assume !(1 == ~e_c~0); 840#L510-1 assume !(1 == ~e_e~0); 826#L515-1 assume !(1 == ~e_f~0); 805#L520-1 assume !(1 == ~e_g~0); 806#L525-1 assume !(1 == ~e_c~0); 861#L530-1 assume !(1 == ~e_wl~0); 803#L672-1 [2021-12-19 19:17:09,604 INFO L793 eck$LassoCheckResult]: Loop: 803#L672-1 assume !false; 791#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 779#L377 assume !false; 786#L295 assume !(0 == ~wl_st~0); 788#L299 assume !(0 == ~c1_st~0); 852#L302 assume !(0 == ~c2_st~0); 878#L305 assume !(0 == ~wb_st~0); 798#L308 assume !(0 == ~r_st~0); 799#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 821#L548 assume !(1 == ~c_req_up~0); 796#L548-2 start_simulation_~kernel_st~0#1 := 3; 797#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 829#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 815#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 816#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 848#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 849#L580-1 assume !(1 == ~wl_pc~0); 818#L592 assume !(2 == ~wl_pc~0); 819#L593 assume !(1 == ~c1_pc~0); 869#L603 assume !(1 == ~c2_pc~0); 780#L612 assume !(1 == ~wb_pc~0); 782#L621 assume !(1 == ~e_c~0); 874#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 875#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 901#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 898#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 800#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 801#L655-1 assume 0 == ~wl_st~0; 803#L672-1 [2021-12-19 19:17:09,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:09,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1738539627, now seen corresponding path program 1 times [2021-12-19 19:17:09,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:09,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280273253] [2021-12-19 19:17:09,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:09,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:09,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:09,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:09,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280273253] [2021-12-19 19:17:09,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280273253] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:09,650 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:09,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 19:17:09,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844647817] [2021-12-19 19:17:09,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:09,650 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 19:17:09,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:09,651 INFO L85 PathProgramCache]: Analyzing trace with hash 86756478, now seen corresponding path program 3 times [2021-12-19 19:17:09,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:09,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170516866] [2021-12-19 19:17:09,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:09,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:09,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:09,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:09,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170516866] [2021-12-19 19:17:09,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170516866] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:09,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:09,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 19:17:09,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239361475] [2021-12-19 19:17:09,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:09,689 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-19 19:17:09,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:17:09,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 19:17:09,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 19:17:09,690 INFO L87 Difference]: Start difference. First operand 124 states and 215 transitions. cyclomatic complexity: 92 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:09,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:17:09,706 INFO L93 Difference]: Finished difference Result 124 states and 214 transitions. [2021-12-19 19:17:09,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 19:17:09,707 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 214 transitions. [2021-12-19 19:17:09,708 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2021-12-19 19:17:09,709 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 124 states and 214 transitions. [2021-12-19 19:17:09,709 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2021-12-19 19:17:09,709 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2021-12-19 19:17:09,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 214 transitions. [2021-12-19 19:17:09,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:17:09,711 INFO L681 BuchiCegarLoop]: Abstraction has 124 states and 214 transitions. [2021-12-19 19:17:09,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 214 transitions. [2021-12-19 19:17:09,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-12-19 19:17:09,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.7258064516129032) internal successors, (214), 123 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:09,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 214 transitions. [2021-12-19 19:17:09,717 INFO L704 BuchiCegarLoop]: Abstraction has 124 states and 214 transitions. [2021-12-19 19:17:09,717 INFO L587 BuchiCegarLoop]: Abstraction has 124 states and 214 transitions. [2021-12-19 19:17:09,718 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-19 19:17:09,718 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 214 transitions. [2021-12-19 19:17:09,718 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2021-12-19 19:17:09,719 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:17:09,719 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:17:09,719 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] [2021-12-19 19:17:09,721 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] [2021-12-19 19:17:09,721 INFO L791 eck$LassoCheckResult]: Stem: 1154#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1111#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 1112#L404 assume !(1 == ~c_req_up~0); 1132#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1079#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1080#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1125#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1108#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1109#L435-1 assume !(0 == ~e_f~0); 1088#L440-1 assume !(0 == ~e_g~0); 1089#L445-1 assume !(0 == ~e_e~0); 1115#L450-1 assume !(0 == ~e_c~0); 1077#L455-1 assume !(0 == ~e_wl~0); 1078#L460-1 assume !(1 == ~wl_pc~0); 1097#L472 assume !(2 == ~wl_pc~0); 1098#L473 assume !(1 == ~c1_pc~0); 1149#L483 assume !(1 == ~c2_pc~0); 1063#L492 assume !(1 == ~wb_pc~0); 1114#L501 assume !(1 == ~e_c~0); 1095#L510-1 assume !(1 == ~e_e~0); 1081#L515-1 assume !(1 == ~e_f~0); 1060#L520-1 assume !(1 == ~e_g~0); 1061#L525-1 assume !(1 == ~e_c~0); 1116#L530-1 assume !(1 == ~e_wl~0); 1058#L672-1 [2021-12-19 19:17:09,721 INFO L793 eck$LassoCheckResult]: Loop: 1058#L672-1 assume !false; 1046#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 1034#L377 assume !false; 1041#L295 assume !(0 == ~wl_st~0); 1043#L299 assume !(0 == ~c1_st~0); 1107#L302 assume !(0 == ~c2_st~0); 1133#L305 assume !(0 == ~wb_st~0); 1053#L308 assume !(0 == ~r_st~0); 1054#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1076#L548 assume !(1 == ~c_req_up~0); 1051#L548-2 start_simulation_~kernel_st~0#1 := 3; 1052#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 1084#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1070#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1071#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1103#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1104#L580-1 assume !(1 == ~wl_pc~0); 1073#L592 assume !(2 == ~wl_pc~0); 1074#L593 assume !(1 == ~c1_pc~0); 1124#L603 assume !(1 == ~c2_pc~0); 1035#L612 assume !(1 == ~wb_pc~0); 1037#L621 assume !(1 == ~e_c~0); 1129#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1130#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1156#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1153#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1055#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1056#L655-1 assume 0 == ~wl_st~0; 1058#L672-1 [2021-12-19 19:17:09,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:09,722 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 1 times [2021-12-19 19:17:09,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:09,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168024096] [2021-12-19 19:17:09,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:09,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:09,731 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:17:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:09,757 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:17:09,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:09,757 INFO L85 PathProgramCache]: Analyzing trace with hash 86756478, now seen corresponding path program 4 times [2021-12-19 19:17:09,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:09,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164326452] [2021-12-19 19:17:09,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:09,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:09,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:09,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:09,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164326452] [2021-12-19 19:17:09,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164326452] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:09,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:09,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 19:17:09,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974733132] [2021-12-19 19:17:09,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:09,772 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-19 19:17:09,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:17:09,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 19:17:09,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 19:17:09,773 INFO L87 Difference]: Start difference. First operand 124 states and 214 transitions. cyclomatic complexity: 91 Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:09,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:17:09,803 INFO L93 Difference]: Finished difference Result 156 states and 274 transitions. [2021-12-19 19:17:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 19:17:09,805 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 274 transitions. [2021-12-19 19:17:09,806 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 109 [2021-12-19 19:17:09,807 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 156 states and 274 transitions. [2021-12-19 19:17:09,807 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 156 [2021-12-19 19:17:09,807 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 156 [2021-12-19 19:17:09,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 156 states and 274 transitions. [2021-12-19 19:17:09,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:17:09,808 INFO L681 BuchiCegarLoop]: Abstraction has 156 states and 274 transitions. [2021-12-19 19:17:09,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states and 274 transitions. [2021-12-19 19:17:09,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2021-12-19 19:17:09,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 156 states have (on average 1.7564102564102564) internal successors, (274), 155 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:09,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 274 transitions. [2021-12-19 19:17:09,821 INFO L704 BuchiCegarLoop]: Abstraction has 156 states and 274 transitions. [2021-12-19 19:17:09,821 INFO L587 BuchiCegarLoop]: Abstraction has 156 states and 274 transitions. [2021-12-19 19:17:09,821 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-19 19:17:09,821 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 156 states and 274 transitions. [2021-12-19 19:17:09,822 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 109 [2021-12-19 19:17:09,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:17:09,822 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:17:09,822 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] [2021-12-19 19:17:09,822 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] [2021-12-19 19:17:09,822 INFO L791 eck$LassoCheckResult]: Stem: 1441#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1397#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 1398#L404 assume !(1 == ~c_req_up~0); 1419#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1365#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1366#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1412#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1394#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1395#L435-1 assume !(0 == ~e_f~0); 1374#L440-1 assume !(0 == ~e_g~0); 1375#L445-1 assume !(0 == ~e_e~0); 1401#L450-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1363#L455-1 assume !(0 == ~e_wl~0); 1364#L460-1 assume !(1 == ~wl_pc~0); 1383#L472 assume !(2 == ~wl_pc~0); 1384#L473 assume !(1 == ~c1_pc~0); 1436#L483 assume !(1 == ~c2_pc~0); 1349#L492 assume !(1 == ~wb_pc~0); 1400#L501 assume 1 == ~e_c~0;~r_st~0 := 0; 1381#L510-1 assume !(1 == ~e_e~0); 1367#L515-1 assume !(1 == ~e_f~0); 1346#L520-1 assume !(1 == ~e_g~0); 1347#L525-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1402#L530-1 assume !(1 == ~e_wl~0); 1344#L672-1 [2021-12-19 19:17:09,823 INFO L793 eck$LassoCheckResult]: Loop: 1344#L672-1 assume !false; 1332#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 1323#L377 assume !false; 1327#L295 assume !(0 == ~wl_st~0); 1329#L299 assume !(0 == ~c1_st~0); 1393#L302 assume !(0 == ~c2_st~0); 1420#L305 assume !(0 == ~wb_st~0); 1339#L308 assume !(0 == ~r_st~0); 1340#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1362#L548 assume !(1 == ~c_req_up~0); 1337#L548-2 start_simulation_~kernel_st~0#1 := 3; 1338#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 1370#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1356#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1357#L570-1 assume !(0 == ~e_c~0); 1443#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1474#L580-1 assume 1 == ~wl_pc~0; 1472#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1469#L593 assume !(1 == ~c1_pc~0); 1468#L603 assume !(1 == ~c2_pc~0); 1466#L612 assume !(1 == ~wb_pc~0); 1464#L621 assume !(1 == ~e_c~0); 1463#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1462#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1444#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1445#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1341#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1342#L655-1 assume 0 == ~wl_st~0; 1344#L672-1 [2021-12-19 19:17:09,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:09,823 INFO L85 PathProgramCache]: Analyzing trace with hash 785152729, now seen corresponding path program 1 times [2021-12-19 19:17:09,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:09,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272027585] [2021-12-19 19:17:09,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:09,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:09,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:09,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:09,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272027585] [2021-12-19 19:17:09,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272027585] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:09,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:09,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-19 19:17:09,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324017432] [2021-12-19 19:17:09,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:09,861 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 19:17:09,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:09,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1473620493, now seen corresponding path program 1 times [2021-12-19 19:17:09,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:09,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894759958] [2021-12-19 19:17:09,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:09,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:09,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:09,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:09,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894759958] [2021-12-19 19:17:09,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894759958] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:09,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:09,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 19:17:09,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496089582] [2021-12-19 19:17:09,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:09,888 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-19 19:17:09,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:17:09,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-19 19:17:09,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-19 19:17:09,888 INFO L87 Difference]: Start difference. First operand 156 states and 274 transitions. cyclomatic complexity: 119 Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:09,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:17:09,971 INFO L93 Difference]: Finished difference Result 285 states and 492 transitions. [2021-12-19 19:17:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-19 19:17:09,972 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 285 states and 492 transitions. [2021-12-19 19:17:09,974 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 199 [2021-12-19 19:17:09,975 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 285 states to 285 states and 492 transitions. [2021-12-19 19:17:09,975 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 285 [2021-12-19 19:17:09,976 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 285 [2021-12-19 19:17:09,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 285 states and 492 transitions. [2021-12-19 19:17:09,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:17:09,976 INFO L681 BuchiCegarLoop]: Abstraction has 285 states and 492 transitions. [2021-12-19 19:17:09,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states and 492 transitions. [2021-12-19 19:17:09,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 273. [2021-12-19 19:17:09,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 273 states have (on average 1.7362637362637363) internal successors, (474), 272 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:09,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 474 transitions. [2021-12-19 19:17:09,982 INFO L704 BuchiCegarLoop]: Abstraction has 273 states and 474 transitions. [2021-12-19 19:17:09,982 INFO L587 BuchiCegarLoop]: Abstraction has 273 states and 474 transitions. [2021-12-19 19:17:09,982 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-19 19:17:09,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 273 states and 474 transitions. [2021-12-19 19:17:09,984 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 199 [2021-12-19 19:17:09,984 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:17:09,984 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:17:09,985 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] [2021-12-19 19:17:09,985 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] [2021-12-19 19:17:09,985 INFO L791 eck$LassoCheckResult]: Stem: 1909#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1851#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 1852#L404 assume !(1 == ~c_req_up~0); 1887#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1819#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1820#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1897#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1898#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1912#L435-1 assume !(0 == ~e_f~0); 1826#L440-1 assume !(0 == ~e_g~0); 1827#L445-1 assume !(0 == ~e_e~0); 1858#L450-1 assume !(0 == ~e_c~0); 1859#L455-1 assume !(0 == ~e_wl~0); 2007#L460-1 assume !(1 == ~wl_pc~0); 2005#L472 assume !(2 == ~wl_pc~0); 2003#L473 assume !(1 == ~c1_pc~0); 1903#L483 assume !(1 == ~c2_pc~0); 1800#L492 assume !(1 == ~wb_pc~0); 1850#L501 assume 1 == ~e_c~0;~r_st~0 := 0; 1833#L510-1 assume !(1 == ~e_e~0); 1816#L515-1 assume !(1 == ~e_f~0); 1797#L520-1 assume !(1 == ~e_g~0); 1798#L525-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1855#L530-1 assume !(1 == ~e_wl~0); 1795#L672-1 [2021-12-19 19:17:09,985 INFO L793 eck$LassoCheckResult]: Loop: 1795#L672-1 assume !false; 1882#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 1964#L377 assume !false; 1963#L295 assume !(0 == ~wl_st~0); 1962#L299 assume !(0 == ~c1_st~0); 1961#L302 assume !(0 == ~c2_st~0); 1960#L305 assume !(0 == ~wb_st~0); 1958#L308 assume !(0 == ~r_st~0); 1957#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1881#L548 assume !(1 == ~c_req_up~0); 1788#L548-2 start_simulation_~kernel_st~0#1 := 3; 1789#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 1953#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1995#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1994#L570-1 assume !(0 == ~e_c~0); 1927#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1993#L580-1 assume 1 == ~wl_pc~0; 1991#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1988#L593 assume !(1 == ~c1_pc~0); 1908#L603 assume !(1 == ~c2_pc~0); 1772#L612 assume !(1 == ~wb_pc~0); 1774#L621 assume !(1 == ~e_c~0); 1874#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1875#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1914#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1922#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1792#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1793#L655-1 assume 0 == ~wl_st~0; 1795#L672-1 [2021-12-19 19:17:09,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:09,985 INFO L85 PathProgramCache]: Analyzing trace with hash 198346715, now seen corresponding path program 1 times [2021-12-19 19:17:09,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:09,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243153297] [2021-12-19 19:17:09,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:09,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:10,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:10,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:10,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243153297] [2021-12-19 19:17:10,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243153297] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:10,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:10,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 19:17:10,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178702351] [2021-12-19 19:17:10,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:10,019 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 19:17:10,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:10,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1473620493, now seen corresponding path program 2 times [2021-12-19 19:17:10,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:10,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782908055] [2021-12-19 19:17:10,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:10,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:10,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:10,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:10,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782908055] [2021-12-19 19:17:10,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782908055] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:10,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:10,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 19:17:10,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938771471] [2021-12-19 19:17:10,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:10,034 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-19 19:17:10,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:17:10,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 19:17:10,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 19:17:10,035 INFO L87 Difference]: Start difference. First operand 273 states and 474 transitions. cyclomatic complexity: 203 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:10,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:17:10,074 INFO L93 Difference]: Finished difference Result 369 states and 630 transitions. [2021-12-19 19:17:10,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 19:17:10,076 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 369 states and 630 transitions. [2021-12-19 19:17:10,078 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 292 [2021-12-19 19:17:10,079 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 369 states to 369 states and 630 transitions. [2021-12-19 19:17:10,079 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 369 [2021-12-19 19:17:10,079 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 369 [2021-12-19 19:17:10,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 369 states and 630 transitions. [2021-12-19 19:17:10,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:17:10,080 INFO L681 BuchiCegarLoop]: Abstraction has 369 states and 630 transitions. [2021-12-19 19:17:10,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states and 630 transitions. [2021-12-19 19:17:10,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2021-12-19 19:17:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 369 states have (on average 1.7073170731707317) internal successors, (630), 368 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:10,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 630 transitions. [2021-12-19 19:17:10,087 INFO L704 BuchiCegarLoop]: Abstraction has 369 states and 630 transitions. [2021-12-19 19:17:10,087 INFO L587 BuchiCegarLoop]: Abstraction has 369 states and 630 transitions. [2021-12-19 19:17:10,087 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-19 19:17:10,087 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 369 states and 630 transitions. [2021-12-19 19:17:10,088 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 292 [2021-12-19 19:17:10,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:17:10,089 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:17:10,089 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] [2021-12-19 19:17:10,089 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] [2021-12-19 19:17:10,089 INFO L791 eck$LassoCheckResult]: Stem: 2562#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 2502#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 2503#L404 assume !(1 == ~c_req_up~0); 2529#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 2530#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 2518#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 2519#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 2498#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 2499#L435-1 assume !(0 == ~e_f~0); 2477#L440-1 assume !(0 == ~e_g~0); 2478#L445-1 assume !(0 == ~e_e~0); 2511#L450-1 assume !(0 == ~e_c~0); 2464#L455-1 assume !(0 == ~e_wl~0); 2465#L460-1 assume !(1 == ~wl_pc~0); 2487#L472 assume !(2 == ~wl_pc~0); 2488#L473 assume !(1 == ~c1_pc~0); 2556#L483 assume !(1 == ~c2_pc~0); 2450#L492 assume !(1 == ~wb_pc~0); 2505#L501 assume !(1 == ~e_c~0); 2522#L510-1 assume !(1 == ~e_e~0); 2468#L515-1 assume 1 == ~e_f~0;~e_f~0 := 2; 2447#L520-1 assume !(1 == ~e_g~0); 2448#L525-1 assume !(1 == ~e_c~0); 2508#L530-1 assume !(1 == ~e_wl~0); 2728#L672-1 [2021-12-19 19:17:10,090 INFO L793 eck$LassoCheckResult]: Loop: 2728#L672-1 assume !false; 2723#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 2722#L377 assume !false; 2721#L295 assume !(0 == ~wl_st~0); 2720#L299 assume !(0 == ~c1_st~0); 2719#L302 assume !(0 == ~c2_st~0); 2718#L305 assume !(0 == ~wb_st~0); 2439#L308 assume !(0 == ~r_st~0); 2441#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 2463#L548 assume !(1 == ~c_req_up~0); 2437#L548-2 start_simulation_~kernel_st~0#1 := 3; 2438#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 2553#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 2457#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 2458#L570-1 assume !(0 == ~e_c~0); 2493#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 2494#L580-1 assume 1 == ~wl_pc~0; 2555#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 2460#L593 assume !(1 == ~c1_pc~0); 2517#L603 assume !(1 == ~c2_pc~0); 2501#L612 assume !(1 == ~wb_pc~0); 2751#L621 assume !(1 == ~e_c~0); 2745#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 2743#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 2565#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 2742#L645-1 assume !(1 == ~e_c~0); 2601#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 2739#L655-1 assume 0 == ~wl_st~0; 2728#L672-1 [2021-12-19 19:17:10,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:10,090 INFO L85 PathProgramCache]: Analyzing trace with hash 255545497, now seen corresponding path program 1 times [2021-12-19 19:17:10,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:10,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913896744] [2021-12-19 19:17:10,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:10,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:10,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:10,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:10,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913896744] [2021-12-19 19:17:10,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913896744] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:10,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:10,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-19 19:17:10,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055303418] [2021-12-19 19:17:10,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:10,125 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 19:17:10,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:10,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1473618571, now seen corresponding path program 1 times [2021-12-19 19:17:10,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:10,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738305343] [2021-12-19 19:17:10,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:10,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:10,133 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:17:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:10,140 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:17:10,353 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 19:17:10,354 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 19:17:10,354 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 19:17:10,354 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 19:17:10,354 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-19 19:17:10,354 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:10,354 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 19:17:10,354 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 19:17:10,354 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration8_Loop [2021-12-19 19:17:10,354 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 19:17:10,355 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 19:17:10,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,606 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 19:17:10,607 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-19 19:17:10,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:10,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:10,609 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:10,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-19 19:17:10,613 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:10,615 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:10,629 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:17:10,629 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-7} Honda state: {~e_c~0=-7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:17:10,649 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 [2021-12-19 19:17:10,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:10,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:10,650 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:10,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-19 19:17:10,653 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:10,653 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:10,679 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:17:10,679 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:17:10,695 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 [2021-12-19 19:17:10,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:10,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:10,696 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:10,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-19 19:17:10,698 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:10,698 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:10,739 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:17:10,739 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=4} Honda state: {~c2_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:17:10,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:10,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:10,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:10,767 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:10,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-19 19:17:10,773 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:10,773 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:10,794 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:17:10,794 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___2~0#1=0} Honda state: {ULTIMATE.start_eval_~tmp___2~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:17:10,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:10,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:10,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:10,813 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:10,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-19 19:17:10,814 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:10,814 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:10,824 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:17:10,825 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=-1} Honda state: {~c1_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:17:10,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-19 19:17:10,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:10,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:10,841 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:10,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-19 19:17:10,843 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:10,844 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:10,859 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:17:10,859 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c_req_up~0=4} Honda state: {~c_req_up~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:17:10,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:10,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:10,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:10,877 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:10,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-19 19:17:10,880 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:10,880 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:10,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-19 19:17:10,903 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:10,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:10,904 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:10,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-19 19:17:10,907 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-19 19:17:10,907 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:10,922 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-19 19:17:10,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:10,942 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 19:17:10,942 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 19:17:10,942 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 19:17:10,942 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 19:17:10,942 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 19:17:10,942 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:10,942 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 19:17:10,942 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 19:17:10,942 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration8_Loop [2021-12-19 19:17:10,942 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 19:17:10,942 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 19:17:10,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:10,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:11,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:11,158 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 19:17:11,161 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 19:17:11,162 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:11,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:11,164 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:11,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-19 19:17:11,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:11,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:11,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:11,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:11,172 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-19 19:17:11,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:11,174 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 19:17:11,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:11,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:17:11,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:11,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:11,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:11,209 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:11,215 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 [2021-12-19 19:17:11,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:11,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:11,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:11,221 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-19 19:17:11,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:11,221 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 19:17:11,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:11,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-19 19:17:11,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:17:11,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:11,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:11,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:11,253 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:11,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-19 19:17:11,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:11,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:11,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:11,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:11,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:17:11,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:11,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:17:11,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:11,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:17:11,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:11,289 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:11,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:11,290 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:11,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-19 19:17:11,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:11,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:11,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:11,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:11,297 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-19 19:17:11,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:11,298 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 19:17:11,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:11,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:17:11,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:11,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:11,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:11,331 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:11,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-19 19:17:11,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:11,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:11,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:11,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:11,338 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-19 19:17:11,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:11,339 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 19:17:11,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:11,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:17:11,371 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 [2021-12-19 19:17:11,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:11,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:11,372 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:11,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-19 19:17:11,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:11,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:11,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:11,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:11,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:17:11,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:11,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:17:11,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:11,396 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-19 19:17:11,398 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-19 19:17:11,398 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-19 19:17:11,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:11,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:11,400 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:11,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-19 19:17:11,403 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-19 19:17:11,403 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-19 19:17:11,403 INFO L513 LassoAnalysis]: Proved termination. [2021-12-19 19:17:11,403 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_wl~0) = -1*~e_wl~0 + 1 Supporting invariants [] [2021-12-19 19:17:11,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:11,422 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-19 19:17:11,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:11,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 19:17:11,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 19:17:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:11,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-19 19:17:11,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 19:17:11,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:11,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:11,680 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-19 19:17:11,681 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 369 states and 630 transitions. cyclomatic complexity: 263 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:11,757 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 369 states and 630 transitions. cyclomatic complexity: 263. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1270 states and 2159 transitions. Complement of second has 5 states. [2021-12-19 19:17:11,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-19 19:17:11,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:11,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 376 transitions. [2021-12-19 19:17:11,761 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 24 letters. Loop has 28 letters. [2021-12-19 19:17:11,763 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 19:17:11,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 52 letters. Loop has 28 letters. [2021-12-19 19:17:11,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 19:17:11,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 24 letters. Loop has 56 letters. [2021-12-19 19:17:11,766 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 19:17:11,766 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1270 states and 2159 transitions. [2021-12-19 19:17:11,773 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 869 [2021-12-19 19:17:11,779 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1270 states to 1267 states and 2153 transitions. [2021-12-19 19:17:11,780 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 955 [2021-12-19 19:17:11,781 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 972 [2021-12-19 19:17:11,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1267 states and 2153 transitions. [2021-12-19 19:17:11,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 19:17:11,781 INFO L681 BuchiCegarLoop]: Abstraction has 1267 states and 2153 transitions. [2021-12-19 19:17:11,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states and 2153 transitions. [2021-12-19 19:17:11,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 952. [2021-12-19 19:17:11,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 952 states have (on average 1.7069327731092436) internal successors, (1625), 951 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:11,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1625 transitions. [2021-12-19 19:17:11,796 INFO L704 BuchiCegarLoop]: Abstraction has 952 states and 1625 transitions. [2021-12-19 19:17:11,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:17:11,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-19 19:17:11,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-19 19:17:11,798 INFO L87 Difference]: Start difference. First operand 952 states and 1625 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:11,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:17:11,869 INFO L93 Difference]: Finished difference Result 1170 states and 1981 transitions. [2021-12-19 19:17:11,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-19 19:17:11,870 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1170 states and 1981 transitions. [2021-12-19 19:17:11,875 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 691 [2021-12-19 19:17:11,880 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1170 states to 1170 states and 1981 transitions. [2021-12-19 19:17:11,880 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 811 [2021-12-19 19:17:11,880 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 811 [2021-12-19 19:17:11,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1170 states and 1981 transitions. [2021-12-19 19:17:11,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 19:17:11,881 INFO L681 BuchiCegarLoop]: Abstraction has 1170 states and 1981 transitions. [2021-12-19 19:17:11,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states and 1981 transitions. [2021-12-19 19:17:11,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1149. [2021-12-19 19:17:11,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1149 states, 1149 states have (on average 1.7049608355091384) internal successors, (1959), 1148 states have internal predecessors, (1959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:11,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1959 transitions. [2021-12-19 19:17:11,896 INFO L704 BuchiCegarLoop]: Abstraction has 1149 states and 1959 transitions. [2021-12-19 19:17:11,896 INFO L587 BuchiCegarLoop]: Abstraction has 1149 states and 1959 transitions. [2021-12-19 19:17:11,896 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-19 19:17:11,896 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1149 states and 1959 transitions. [2021-12-19 19:17:11,900 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 687 [2021-12-19 19:17:11,900 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:17:11,900 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:17:11,901 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] [2021-12-19 19:17:11,901 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] [2021-12-19 19:17:11,902 INFO L791 eck$LassoCheckResult]: Stem: 6639#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 6513#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 6514#L404 assume !(1 == ~c_req_up~0); 6637#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 6723#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 6722#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 6721#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 6720#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 6647#L435-1 assume !(0 == ~e_f~0); 6465#L440-1 assume !(0 == ~e_g~0); 6466#L445-1 assume !(0 == ~e_e~0); 6517#L450-1 assume !(0 == ~e_c~0); 6523#L455-1 assume !(0 == ~e_wl~0); 6725#L460-1 assume !(1 == ~wl_pc~0); 6487#L472 assume !(2 == ~wl_pc~0); 6488#L473 assume !(1 == ~c1_pc~0); 6620#L483 assume !(1 == ~c2_pc~0); 6419#L492 assume !(1 == ~wb_pc~0); 6516#L501 assume !(1 == ~e_c~0); 6482#L510-1 assume !(1 == ~e_e~0); 6451#L515-1 assume !(1 == ~e_f~0); 6416#L520-1 assume !(1 == ~e_g~0); 6417#L525-1 assume !(1 == ~e_c~0); 6518#L530-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 6598#L672-1 [2021-12-19 19:17:11,902 INFO L793 eck$LassoCheckResult]: Loop: 6598#L672-1 assume !false; 7455#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 7454#L377 assume !false; 7453#L295 assume !(0 == ~wl_st~0); 7452#L299 assume !(0 == ~c1_st~0); 7451#L302 assume !(0 == ~c2_st~0); 7450#L305 assume !(0 == ~wb_st~0); 7219#L308 assume !(0 == ~r_st~0); 7221#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 7199#L548 assume !(1 == ~c_req_up~0); 6397#L548-2 start_simulation_~kernel_st~0#1 := 3; 6398#L560 assume !(0 == ~e_f~0); 6456#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 6432#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 6433#L570-1 assume !(0 == ~e_c~0); 6496#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 6497#L580-1 assume !(1 == ~wl_pc~0); 6438#L592 assume !(2 == ~wl_pc~0); 6439#L593 assume !(1 == ~c1_pc~0); 6534#L603 assume !(1 == ~c2_pc~0); 6361#L612 assume !(1 == ~wb_pc~0); 6363#L621 assume !(1 == ~e_c~0); 7498#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 7497#L635-1 assume !(1 == ~e_f~0); 7496#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 7495#L645-1 assume !(1 == ~e_c~0); 7494#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 7491#L655-1 assume 0 == ~wl_st~0; 6598#L672-1 [2021-12-19 19:17:11,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:11,902 INFO L85 PathProgramCache]: Analyzing trace with hash 255605077, now seen corresponding path program 1 times [2021-12-19 19:17:11,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:11,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463312714] [2021-12-19 19:17:11,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:11,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:11,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:11,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:11,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463312714] [2021-12-19 19:17:11,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463312714] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:11,925 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:11,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 19:17:11,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659484061] [2021-12-19 19:17:11,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:11,926 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 19:17:11,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:11,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1784107586, now seen corresponding path program 1 times [2021-12-19 19:17:11,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:11,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953391394] [2021-12-19 19:17:11,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:11,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:11,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:11,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:11,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953391394] [2021-12-19 19:17:11,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953391394] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:11,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:11,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-19 19:17:11,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85784273] [2021-12-19 19:17:11,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:11,946 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-19 19:17:11,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:17:11,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-19 19:17:11,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-19 19:17:11,946 INFO L87 Difference]: Start difference. First operand 1149 states and 1959 transitions. cyclomatic complexity: 816 Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:12,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:17:12,007 INFO L93 Difference]: Finished difference Result 1915 states and 3215 transitions. [2021-12-19 19:17:12,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-19 19:17:12,007 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1915 states and 3215 transitions. [2021-12-19 19:17:12,016 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 979 [2021-12-19 19:17:12,023 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1915 states to 1915 states and 3215 transitions. [2021-12-19 19:17:12,023 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1280 [2021-12-19 19:17:12,024 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1280 [2021-12-19 19:17:12,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1915 states and 3215 transitions. [2021-12-19 19:17:12,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 19:17:12,024 INFO L681 BuchiCegarLoop]: Abstraction has 1915 states and 3215 transitions. [2021-12-19 19:17:12,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1915 states and 3215 transitions. [2021-12-19 19:17:12,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1915 to 1427. [2021-12-19 19:17:12,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1427 states, 1427 states have (on average 1.6937631394533987) internal successors, (2417), 1426 states have internal predecessors, (2417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:12,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1427 states and 2417 transitions. [2021-12-19 19:17:12,044 INFO L704 BuchiCegarLoop]: Abstraction has 1427 states and 2417 transitions. [2021-12-19 19:17:12,044 INFO L587 BuchiCegarLoop]: Abstraction has 1427 states and 2417 transitions. [2021-12-19 19:17:12,044 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-19 19:17:12,044 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1427 states and 2417 transitions. [2021-12-19 19:17:12,049 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 789 [2021-12-19 19:17:12,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:17:12,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:17:12,049 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] [2021-12-19 19:17:12,050 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] [2021-12-19 19:17:12,050 INFO L791 eck$LassoCheckResult]: Stem: 9689#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 9585#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 9586#L404 assume !(1 == ~c_req_up~0); 9640#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 9527#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 9528#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 9661#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 9662#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 9692#L435-1 assume !(0 == ~e_f~0); 9693#L440-1 assume !(0 == ~e_g~0); 9702#L445-1 assume !(0 == ~e_e~0); 9596#L450-1 assume !(0 == ~e_c~0); 9520#L455-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 9521#L460-1 assume !(1 == ~wl_pc~0); 9649#L472 assume !(2 == ~wl_pc~0); 10155#L473 assume !(1 == ~c1_pc~0); 10186#L483 assume !(1 == ~c2_pc~0); 10184#L492 assume !(1 == ~wb_pc~0); 10182#L501 assume !(1 == ~e_c~0); 10181#L510-1 assume !(1 == ~e_e~0); 10180#L515-1 assume !(1 == ~e_f~0); 10178#L520-1 assume !(1 == ~e_g~0); 10177#L525-1 assume !(1 == ~e_c~0); 10158#L530-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 10159#L672-1 [2021-12-19 19:17:12,050 INFO L793 eck$LassoCheckResult]: Loop: 10159#L672-1 assume !false; 10505#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 10499#L377 assume !false; 10493#L295 assume !(0 == ~wl_st~0); 10491#L299 assume !(0 == ~c1_st~0); 10489#L302 assume !(0 == ~c2_st~0); 10487#L305 assume !(0 == ~wb_st~0); 10484#L308 assume !(0 == ~r_st~0); 10482#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 10478#L548 assume !(1 == ~c_req_up~0); 10479#L548-2 start_simulation_~kernel_st~0#1 := 3; 10568#L560 assume !(0 == ~e_f~0); 10567#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 10566#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 10565#L570-1 assume !(0 == ~e_c~0); 10563#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 10562#L580-1 assume !(1 == ~wl_pc~0); 10560#L592 assume !(2 == ~wl_pc~0); 10555#L593 assume !(1 == ~c1_pc~0); 10554#L603 assume !(1 == ~c2_pc~0); 10552#L612 assume !(1 == ~wb_pc~0); 10550#L621 assume !(1 == ~e_c~0); 10549#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 10544#L635-1 assume !(1 == ~e_f~0); 10542#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 10540#L645-1 assume !(1 == ~e_c~0); 10189#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 10190#L655-1 assume 0 == ~wl_st~0; 10159#L672-1 [2021-12-19 19:17:12,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:12,050 INFO L85 PathProgramCache]: Analyzing trace with hash -2560361, now seen corresponding path program 1 times [2021-12-19 19:17:12,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:12,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541395140] [2021-12-19 19:17:12,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:12,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:12,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:12,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:12,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541395140] [2021-12-19 19:17:12,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541395140] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:12,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:12,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-19 19:17:12,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70996442] [2021-12-19 19:17:12,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:12,070 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 19:17:12,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:12,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1784107586, now seen corresponding path program 2 times [2021-12-19 19:17:12,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:12,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24152884] [2021-12-19 19:17:12,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:12,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:12,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:12,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:12,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24152884] [2021-12-19 19:17:12,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24152884] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:12,083 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:12,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-19 19:17:12,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669162898] [2021-12-19 19:17:12,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:12,085 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-19 19:17:12,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:17:12,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-19 19:17:12,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-19 19:17:12,086 INFO L87 Difference]: Start difference. First operand 1427 states and 2417 transitions. cyclomatic complexity: 996 Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:12,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:17:12,134 INFO L93 Difference]: Finished difference Result 1824 states and 2961 transitions. [2021-12-19 19:17:12,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-19 19:17:12,135 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1824 states and 2961 transitions. [2021-12-19 19:17:12,143 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 1192 [2021-12-19 19:17:12,148 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1824 states to 1290 states and 2103 transitions. [2021-12-19 19:17:12,148 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1290 [2021-12-19 19:17:12,149 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1290 [2021-12-19 19:17:12,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1290 states and 2103 transitions. [2021-12-19 19:17:12,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:17:12,151 INFO L681 BuchiCegarLoop]: Abstraction has 1290 states and 2103 transitions. [2021-12-19 19:17:12,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states and 2103 transitions. [2021-12-19 19:17:12,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1003. [2021-12-19 19:17:12,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 1003 states have (on average 1.6340977068793618) internal successors, (1639), 1002 states have internal predecessors, (1639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:12,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1639 transitions. [2021-12-19 19:17:12,165 INFO L704 BuchiCegarLoop]: Abstraction has 1003 states and 1639 transitions. [2021-12-19 19:17:12,165 INFO L587 BuchiCegarLoop]: Abstraction has 1003 states and 1639 transitions. [2021-12-19 19:17:12,165 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-19 19:17:12,165 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1003 states and 1639 transitions. [2021-12-19 19:17:12,168 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 928 [2021-12-19 19:17:12,169 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:17:12,169 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:17:12,170 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] [2021-12-19 19:17:12,170 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] [2021-12-19 19:17:12,170 INFO L791 eck$LassoCheckResult]: Stem: 12849#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 12779#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 12780#L404 assume !(1 == ~c_req_up~0); 12811#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 12812#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 12797#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 12798#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 12776#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 12777#L435-1 assume !(0 == ~e_f~0); 12754#L440-1 assume !(0 == ~e_g~0); 12755#L445-1 assume !(0 == ~e_e~0); 12789#L450-1 assume !(0 == ~e_c~0); 12790#L455-1 assume !(0 == ~e_wl~0); 12881#L460-1 assume !(1 == ~wl_pc~0); 12878#L472 assume !(2 == ~wl_pc~0); 12877#L473 assume !(1 == ~c1_pc~0); 12840#L483 assume !(1 == ~c2_pc~0); 12727#L492 assume !(1 == ~wb_pc~0); 12802#L501 assume !(1 == ~e_c~0); 12803#L510-1 assume !(1 == ~e_e~0); 12873#L515-1 assume !(1 == ~e_f~0); 12872#L520-1 assume !(1 == ~e_g~0); 12785#L525-1 assume !(1 == ~e_c~0); 12786#L530-1 assume !(1 == ~e_wl~0); 13238#L672-1 [2021-12-19 19:17:12,170 INFO L793 eck$LassoCheckResult]: Loop: 13238#L672-1 assume !false; 13239#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 13230#L377 assume !false; 13231#L295 assume !(0 == ~wl_st~0); 13226#L299 assume !(0 == ~c1_st~0); 13227#L302 assume !(0 == ~c2_st~0); 13219#L305 assume !(0 == ~wb_st~0); 13220#L308 assume !(0 == ~r_st~0); 13334#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 13335#L548 assume !(1 == ~c_req_up~0); 13330#L548-2 start_simulation_~kernel_st~0#1 := 3; 13325#L560 assume !(0 == ~e_f~0); 13326#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 13321#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 13322#L570-1 assume !(0 == ~e_c~0); 13317#L575-1 assume !(0 == ~e_wl~0); 13318#L580-1 assume !(1 == ~wl_pc~0); 13315#L592 assume !(2 == ~wl_pc~0); 13314#L593 assume !(1 == ~c1_pc~0); 13309#L603 assume !(1 == ~c2_pc~0); 13307#L612 assume !(1 == ~wb_pc~0); 13305#L621 assume !(1 == ~e_c~0); 13304#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 13302#L635-1 assume !(1 == ~e_f~0); 13303#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 13481#L645-1 assume !(1 == ~e_c~0); 13479#L650-1 assume !(1 == ~e_wl~0); 13288#L655-1 assume 0 == ~wl_st~0; 13238#L672-1 [2021-12-19 19:17:12,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:12,171 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 2 times [2021-12-19 19:17:12,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:12,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103479890] [2021-12-19 19:17:12,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:12,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:12,179 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:17:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:12,198 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:17:12,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:12,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1197301634, now seen corresponding path program 1 times [2021-12-19 19:17:12,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:12,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997656936] [2021-12-19 19:17:12,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:12,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:12,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:12,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:12,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997656936] [2021-12-19 19:17:12,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997656936] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:12,220 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:12,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-19 19:17:12,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770021278] [2021-12-19 19:17:12,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:12,220 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-19 19:17:12,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:17:12,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 19:17:12,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 19:17:12,221 INFO L87 Difference]: Start difference. First operand 1003 states and 1639 transitions. cyclomatic complexity: 640 Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:12,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:17:12,240 INFO L93 Difference]: Finished difference Result 1585 states and 2559 transitions. [2021-12-19 19:17:12,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 19:17:12,241 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1585 states and 2559 transitions. [2021-12-19 19:17:12,248 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1510 [2021-12-19 19:17:12,254 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1585 states to 1585 states and 2559 transitions. [2021-12-19 19:17:12,254 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1585 [2021-12-19 19:17:12,255 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1585 [2021-12-19 19:17:12,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1585 states and 2559 transitions. [2021-12-19 19:17:12,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:17:12,257 INFO L681 BuchiCegarLoop]: Abstraction has 1585 states and 2559 transitions. [2021-12-19 19:17:12,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states and 2559 transitions. [2021-12-19 19:17:12,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1585. [2021-12-19 19:17:12,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1585 states, 1585 states have (on average 1.6145110410094636) internal successors, (2559), 1584 states have internal predecessors, (2559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:12,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 2559 transitions. [2021-12-19 19:17:12,279 INFO L704 BuchiCegarLoop]: Abstraction has 1585 states and 2559 transitions. [2021-12-19 19:17:12,279 INFO L587 BuchiCegarLoop]: Abstraction has 1585 states and 2559 transitions. [2021-12-19 19:17:12,279 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-12-19 19:17:12,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1585 states and 2559 transitions. [2021-12-19 19:17:12,284 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1510 [2021-12-19 19:17:12,284 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:17:12,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:17:12,285 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] [2021-12-19 19:17:12,285 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] [2021-12-19 19:17:12,285 INFO L791 eck$LassoCheckResult]: Stem: 15442#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 15375#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 15376#L404 assume !(1 == ~c_req_up~0); 15402#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 15338#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 15339#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 15392#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 15372#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 15373#L435-1 assume !(0 == ~e_f~0); 15350#L440-1 assume !(0 == ~e_g~0); 15351#L445-1 assume !(0 == ~e_e~0); 15379#L450-1 assume !(0 == ~e_c~0); 15384#L455-1 assume !(0 == ~e_wl~0); 15477#L460-1 assume !(1 == ~wl_pc~0); 15474#L472 assume !(2 == ~wl_pc~0); 15473#L473 assume !(1 == ~c1_pc~0); 15471#L483 assume !(1 == ~c2_pc~0); 15466#L492 assume !(1 == ~wb_pc~0); 15395#L501 assume !(1 == ~e_c~0); 15358#L510-1 assume !(1 == ~e_e~0); 15359#L515-1 assume !(1 == ~e_f~0); 15464#L520-1 assume !(1 == ~e_g~0); 15380#L525-1 assume !(1 == ~e_c~0); 15381#L530-1 assume !(1 == ~e_wl~0); 16050#L672-1 [2021-12-19 19:17:12,286 INFO L793 eck$LassoCheckResult]: Loop: 16050#L672-1 assume !false; 15983#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 15982#L377 assume !false; 15963#L295 assume !(0 == ~wl_st~0); 15964#L299 assume !(0 == ~c1_st~0); 16404#L302 assume !(0 == ~c2_st~0); 16401#L305 assume !(0 == ~wb_st~0); 16402#L308 assume !(0 == ~r_st~0); 16403#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 16466#L548 assume !(1 == ~c_req_up~0); 16463#L548-2 start_simulation_~kernel_st~0#1 := 3; 16461#L560 assume !(0 == ~e_f~0); 16460#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 16459#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 16458#L570-1 assume !(0 == ~e_c~0); 16457#L575-1 assume !(0 == ~e_wl~0); 16456#L580-1 assume !(1 == ~wl_pc~0); 16454#L592 assume 2 == ~wl_pc~0; 16452#L594 assume 1 == ~e_e~0;~wl_st~0 := 0; 16453#L593 assume !(1 == ~c1_pc~0); 16482#L603 assume !(1 == ~c2_pc~0); 16447#L612 assume !(1 == ~wb_pc~0); 16443#L621 assume !(1 == ~e_c~0); 16441#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 16439#L635-1 assume !(1 == ~e_f~0); 16437#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 16435#L645-1 assume !(1 == ~e_c~0); 16433#L650-1 assume !(1 == ~e_wl~0); 16430#L655-1 assume 0 == ~wl_st~0; 16050#L672-1 [2021-12-19 19:17:12,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:12,286 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 3 times [2021-12-19 19:17:12,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:12,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39356940] [2021-12-19 19:17:12,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:12,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:12,291 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:17:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:12,299 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:17:12,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:12,300 INFO L85 PathProgramCache]: Analyzing trace with hash -869781309, now seen corresponding path program 1 times [2021-12-19 19:17:12,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:12,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827152636] [2021-12-19 19:17:12,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:12,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:12,304 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:17:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:12,309 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:17:12,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:12,311 INFO L85 PathProgramCache]: Analyzing trace with hash 44318509, now seen corresponding path program 1 times [2021-12-19 19:17:12,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:12,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960066277] [2021-12-19 19:17:12,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:12,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:12,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:12,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:12,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960066277] [2021-12-19 19:17:12,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960066277] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:12,343 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:12,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 19:17:12,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002917273] [2021-12-19 19:17:12,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:12,499 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 19:17:12,499 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 19:17:12,499 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 19:17:12,499 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 19:17:12,500 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-19 19:17:12,500 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:12,500 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 19:17:12,500 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 19:17:12,500 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration12_Loop [2021-12-19 19:17:12,500 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 19:17:12,500 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 19:17:12,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:12,702 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 19:17:12,702 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-19 19:17:12,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:12,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:12,703 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:12,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-19 19:17:12,706 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:12,706 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:12,728 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:17:12,728 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=4} Honda state: {~c2_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:17:12,742 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-19 19:17:12,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:12,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:12,744 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:12,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-19 19:17:12,755 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:12,756 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:12,766 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:17:12,766 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-7} Honda state: {~e_c~0=-7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:17:12,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:12,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:12,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:12,782 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:12,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-19 19:17:12,784 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:12,784 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:12,791 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:17:12,791 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:17:12,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:12,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:12,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:12,806 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:12,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-19 19:17:12,808 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:12,808 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:12,814 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:17:12,814 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp~0#1=0} Honda state: {ULTIMATE.start_eval_~tmp~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:17:12,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:12,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:12,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:12,829 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) [2021-12-19 19:17:12,846 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 [2021-12-19 19:17:12,846 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:12,846 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:12,856 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:17:12,856 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=-1} Honda state: {~c1_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:17:12,871 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 [2021-12-19 19:17:12,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:12,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:12,872 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) [2021-12-19 19:17:12,872 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 [2021-12-19 19:17:12,874 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:12,874 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:12,890 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:17:12,890 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___0~0#1=0} Honda state: {ULTIMATE.start_eval_~tmp___0~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:17:12,904 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 [2021-12-19 19:17:12,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:12,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:12,905 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) [2021-12-19 19:17:12,906 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 [2021-12-19 19:17:12,907 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:12,907 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:12,913 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:17:12,913 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet7#1=0} Honda state: {ULTIMATE.start_eval_#t~nondet7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:17:12,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-19 19:17:12,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:12,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:12,929 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) [2021-12-19 19:17:12,929 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 [2021-12-19 19:17:12,931 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:12,931 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:12,937 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:17:12,937 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet5#1=0} Honda state: {ULTIMATE.start_eval_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:17:12,951 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 [2021-12-19 19:17:12,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:12,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:12,952 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) [2021-12-19 19:17:12,961 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 [2021-12-19 19:17:12,961 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:12,961 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:12,971 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:17:12,971 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=4} Honda state: {~r_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:17:12,986 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 [2021-12-19 19:17:12,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:12,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:12,987 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) [2021-12-19 19:17:12,987 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 [2021-12-19 19:17:12,989 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:12,989 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:12,999 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:17:12,999 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~wb_st~0=4} Honda state: {~wb_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:17:13,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-19 19:17:13,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:13,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:13,014 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:13,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-19 19:17:13,017 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:13,017 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:13,023 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:17:13,023 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___3~0#1=0} Honda state: {ULTIMATE.start_eval_~tmp___3~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:17:13,038 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-19 19:17:13,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:13,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:13,039 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:13,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-19 19:17:13,042 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:13,042 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:13,053 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:17:13,053 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~wb_pc~0=4} Honda state: {~wb_pc~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:17:13,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:13,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:13,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:13,068 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:13,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-19 19:17:13,071 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:13,071 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:13,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-19 19:17:13,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:13,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:13,098 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:13,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-19 19:17:13,100 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-19 19:17:13,100 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:13,129 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-19 19:17:13,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:13,131 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 19:17:13,131 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 19:17:13,131 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 19:17:13,131 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 19:17:13,131 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 19:17:13,131 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:13,131 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 19:17:13,131 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 19:17:13,131 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration12_Loop [2021-12-19 19:17:13,131 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 19:17:13,131 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 19:17:13,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:13,335 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 19:17:13,335 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 19:17:13,335 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:13,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:13,336 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:13,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-19 19:17:13,339 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 [2021-12-19 19:17:13,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:13,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:13,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:13,344 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-19 19:17:13,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:13,344 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 19:17:13,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:13,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:17:13,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:13,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:13,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:13,376 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:13,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-19 19:17:13,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:13,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:13,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:13,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:13,383 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-19 19:17:13,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:13,383 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 19:17:13,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:13,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:17:13,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-19 19:17:13,411 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:13,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:13,412 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:13,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-19 19:17:13,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:13,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:13,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:13,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:13,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:17:13,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:13,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:17:13,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:13,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:17:13,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:13,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:13,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:13,436 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:13,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-19 19:17:13,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:13,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:13,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:13,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:13,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:17:13,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:13,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:17:13,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:13,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:17:13,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-19 19:17:13,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:13,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:13,458 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:13,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-19 19:17:13,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:13,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:13,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:13,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:13,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:17:13,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:13,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:17:13,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:13,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:17:13,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-19 19:17:13,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:13,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:13,481 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:13,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-19 19:17:13,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:13,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:13,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:13,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:13,488 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-19 19:17:13,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:13,489 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 19:17:13,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:13,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:17:13,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:13,506 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:13,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:13,507 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:13,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-19 19:17:13,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:13,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:13,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:13,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:13,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:17:13,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:13,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:17:13,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:13,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:17:13,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:13,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:13,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:13,533 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:13,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-19 19:17:13,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:13,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:13,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:13,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:13,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:17:13,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:13,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:17:13,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:13,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:17:13,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:13,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:13,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:13,557 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:13,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-19 19:17:13,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:13,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:13,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:13,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:13,564 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-19 19:17:13,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:13,565 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 19:17:13,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:13,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:17:13,585 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-19 19:17:13,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:13,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:13,586 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:13,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-19 19:17:13,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:13,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:13,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:13,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:13,598 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-19 19:17:13,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:13,598 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 19:17:13,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:13,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:17:13,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-19 19:17:13,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:13,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:13,622 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:13,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-19 19:17:13,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:13,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:13,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:13,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:13,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:17:13,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:13,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:17:13,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:13,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:17:13,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:13,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:13,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:13,654 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:13,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-19 19:17:13,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:13,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:13,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:13,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:13,661 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-19 19:17:13,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:13,662 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 19:17:13,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:13,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:17:13,677 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-19 19:17:13,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:13,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:13,678 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:13,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-19 19:17:13,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:13,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:13,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:13,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:13,685 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-19 19:17:13,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:13,686 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 19:17:13,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:13,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:17:13,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:13,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:13,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:13,709 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:13,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-19 19:17:13,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:13,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:13,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:13,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:13,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:17:13,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:13,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:17:13,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:13,723 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-19 19:17:13,724 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-19 19:17:13,724 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-19 19:17:13,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:13,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:13,725 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:13,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-19 19:17:13,727 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-19 19:17:13,727 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-19 19:17:13,727 INFO L513 LassoAnalysis]: Proved termination. [2021-12-19 19:17:13,727 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_g~0) = -1*~e_g~0 + 1 Supporting invariants [] [2021-12-19 19:17:13,742 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-19 19:17:13,742 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-19 19:17:13,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:13,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 19:17:13,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 19:17:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:13,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-19 19:17:13,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 19:17:13,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:13,912 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-19 19:17:13,913 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1585 states and 2559 transitions. cyclomatic complexity: 978 Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:13,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:13,970 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1585 states and 2559 transitions. cyclomatic complexity: 978. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 4473 states and 7197 transitions. Complement of second has 5 states. [2021-12-19 19:17:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-19 19:17:13,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:13,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 199 transitions. [2021-12-19 19:17:13,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 199 transitions. Stem has 24 letters. Loop has 29 letters. [2021-12-19 19:17:13,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 19:17:13,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 199 transitions. Stem has 53 letters. Loop has 29 letters. [2021-12-19 19:17:13,973 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 19:17:13,973 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 199 transitions. Stem has 24 letters. Loop has 58 letters. [2021-12-19 19:17:13,973 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 19:17:13,973 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4473 states and 7197 transitions. [2021-12-19 19:17:13,995 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 2912 [2021-12-19 19:17:14,016 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4473 states to 4473 states and 7197 transitions. [2021-12-19 19:17:14,017 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2990 [2021-12-19 19:17:14,019 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3029 [2021-12-19 19:17:14,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4473 states and 7197 transitions. [2021-12-19 19:17:14,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 19:17:14,020 INFO L681 BuchiCegarLoop]: Abstraction has 4473 states and 7197 transitions. [2021-12-19 19:17:14,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4473 states and 7197 transitions. [2021-12-19 19:17:14,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4473 to 4434. [2021-12-19 19:17:14,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4434 states, 4434 states have (on average 1.6118628777627424) internal successors, (7147), 4433 states have internal predecessors, (7147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:14,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4434 states to 4434 states and 7147 transitions. [2021-12-19 19:17:14,090 INFO L704 BuchiCegarLoop]: Abstraction has 4434 states and 7147 transitions. [2021-12-19 19:17:14,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:17:14,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 19:17:14,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 19:17:14,091 INFO L87 Difference]: Start difference. First operand 4434 states and 7147 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:14,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:17:14,116 INFO L93 Difference]: Finished difference Result 3528 states and 5680 transitions. [2021-12-19 19:17:14,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 19:17:14,117 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3528 states and 5680 transitions. [2021-12-19 19:17:14,130 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 2306 [2021-12-19 19:17:14,144 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3528 states to 3528 states and 5680 transitions. [2021-12-19 19:17:14,144 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2387 [2021-12-19 19:17:14,146 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2387 [2021-12-19 19:17:14,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3528 states and 5680 transitions. [2021-12-19 19:17:14,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 19:17:14,146 INFO L681 BuchiCegarLoop]: Abstraction has 3528 states and 5680 transitions. [2021-12-19 19:17:14,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3528 states and 5680 transitions. [2021-12-19 19:17:14,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3528 to 3180. [2021-12-19 19:17:14,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3180 states, 3180 states have (on average 1.6182389937106918) internal successors, (5146), 3179 states have internal predecessors, (5146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:14,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3180 states to 3180 states and 5146 transitions. [2021-12-19 19:17:14,216 INFO L704 BuchiCegarLoop]: Abstraction has 3180 states and 5146 transitions. [2021-12-19 19:17:14,217 INFO L587 BuchiCegarLoop]: Abstraction has 3180 states and 5146 transitions. [2021-12-19 19:17:14,217 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-12-19 19:17:14,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3180 states and 5146 transitions. [2021-12-19 19:17:14,224 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 2072 [2021-12-19 19:17:14,224 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:17:14,224 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:17:14,225 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] [2021-12-19 19:17:14,225 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:17:14,225 INFO L791 eck$LassoCheckResult]: Stem: 29766#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 29640#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 29641#L404 assume !(1 == ~c_req_up~0); 29763#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 29801#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 29800#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 29799#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 29633#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 29634#L435-1 assume !(0 == ~e_f~0); 29594#L440-1 assume !(0 == ~e_g~0); 29595#L445-1 assume !(0 == ~e_e~0); 29651#L450-1 assume !(0 == ~e_c~0); 29652#L455-1 assume !(0 == ~e_wl~0); 29716#L460-1 assume !(1 == ~wl_pc~0); 29609#L472 assume !(2 == ~wl_pc~0); 29610#L473 assume !(1 == ~c1_pc~0); 29771#L483 assume !(1 == ~c2_pc~0); 29764#L492 assume !(1 == ~wb_pc~0); 29643#L501 assume !(1 == ~e_c~0); 29786#L510-1 assume !(1 == ~e_e~0); 29787#L515-1 assume !(1 == ~e_f~0); 29547#L520-1 assume !(1 == ~e_g~0); 29548#L525-1 assume !(1 == ~e_c~0); 29646#L530-1 assume !(1 == ~e_wl~0); 29726#L672-1 assume !false; 30692#L542 [2021-12-19 19:17:14,225 INFO L793 eck$LassoCheckResult]: Loop: 30692#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 32094#L377 assume !false; 32091#L295 assume 0 == ~wl_st~0; 32089#L308-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 32033#L321 assume 0 != eval_~tmp~0#1;~wl_st~0 := 1;assume { :begin_inline_write_loop } true;havoc write_loop_~t~0#1;havoc write_loop_~t~0#1; 29622#L66 assume 0 == ~wl_pc~0; 29623#L79 ~wl_st~0 := 2;~wl_pc~0 := 1;~e_wl~0 := 0; 29673#L127 assume { :end_inline_write_loop } true; 31701#L317 assume !(0 == ~c1_st~0); 31696#L332 assume !(0 == ~c2_st~0); 31703#L347 assume !(0 == ~wb_st~0); 32003#L362 assume !(0 == ~r_st~0); 32000#L377 assume !false; 31999#L295 assume !(0 == ~wl_st~0); 31997#L299 assume !(0 == ~c1_st~0); 31998#L302 assume !(0 == ~c2_st~0); 31994#L305 assume !(0 == ~wb_st~0); 31995#L308 assume !(0 == ~r_st~0); 31996#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 31128#L548 assume !(1 == ~c_req_up~0); 31129#L548-2 start_simulation_~kernel_st~0#1 := 3; 32345#L560 assume !(0 == ~e_f~0); 32343#L560-2 assume !(0 == ~e_g~0); 32342#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 32341#L570-1 assume !(0 == ~e_c~0); 32300#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 32298#L580-1 assume 1 == ~wl_pc~0; 32299#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 32296#L593 assume !(1 == ~c1_pc~0); 32392#L603 assume !(1 == ~c2_pc~0); 32390#L612 assume !(1 == ~wb_pc~0); 32386#L621 assume !(1 == ~e_c~0); 32381#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 32379#L635-1 assume !(1 == ~e_f~0); 32377#L640-1 assume !(1 == ~e_g~0); 32353#L645-1 assume !(1 == ~e_c~0); 32321#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 32319#L655-1 assume 0 == ~wl_st~0; 32301#L672-1 assume !false; 30692#L542 [2021-12-19 19:17:14,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:14,235 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 1 times [2021-12-19 19:17:14,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:14,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190669124] [2021-12-19 19:17:14,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:14,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:14,243 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:17:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:14,251 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:17:14,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:14,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1995227012, now seen corresponding path program 1 times [2021-12-19 19:17:14,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:14,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717971888] [2021-12-19 19:17:14,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:14,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:14,255 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:17:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:14,260 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:17:14,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:14,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1594093335, now seen corresponding path program 1 times [2021-12-19 19:17:14,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:14,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829073248] [2021-12-19 19:17:14,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:14,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:14,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:14,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:14,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829073248] [2021-12-19 19:17:14,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829073248] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:14,287 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:14,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 19:17:14,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122197243] [2021-12-19 19:17:14,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:14,481 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 19:17:14,482 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 19:17:14,482 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 19:17:14,482 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 19:17:14,482 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-19 19:17:14,482 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:14,482 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 19:17:14,482 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 19:17:14,482 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration13_Loop [2021-12-19 19:17:14,482 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 19:17:14,482 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 19:17:14,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,696 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 19:17:14,696 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-19 19:17:14,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:14,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:14,697 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:14,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-19 19:17:14,700 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:14,700 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:14,709 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:17:14,709 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-7} Honda state: {~e_c~0=-7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:17:14,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:14,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:14,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:14,724 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:14,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-19 19:17:14,727 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:14,727 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:14,732 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:17:14,732 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:17:14,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-19 19:17:14,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:14,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:14,748 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:14,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-19 19:17:14,750 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:14,750 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:14,755 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:17:14,756 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet6#1=0} Honda state: {ULTIMATE.start_eval_#t~nondet6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:17:14,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:14,770 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:14,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:14,771 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:14,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-19 19:17:14,773 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:17:14,773 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:14,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-19 19:17:14,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:14,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:14,794 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:14,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-19 19:17:14,797 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-19 19:17:14,797 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:17:14,812 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-19 19:17:14,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-19 19:17:14,826 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 19:17:14,826 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 19:17:14,826 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 19:17:14,826 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 19:17:14,826 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 19:17:14,826 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:14,826 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 19:17:14,826 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 19:17:14,826 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration13_Loop [2021-12-19 19:17:14,826 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 19:17:14,826 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 19:17:14,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:14,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:17:15,028 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 19:17:15,028 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 19:17:15,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:15,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:15,029 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:15,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-19 19:17:15,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:15,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:15,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:15,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:15,037 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-19 19:17:15,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:15,038 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 19:17:15,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:15,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:17:15,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:15,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:15,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:15,055 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:15,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-19 19:17:15,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:15,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:15,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:15,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:15,064 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-19 19:17:15,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:15,064 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 19:17:15,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:15,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:17:15,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:15,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:15,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:15,080 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:15,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-19 19:17:15,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:15,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:15,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:15,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:15,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:17:15,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:15,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:17:15,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:15,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:17:15,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-19 19:17:15,104 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:15,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:15,105 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:15,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-19 19:17:15,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:15,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:15,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:15,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:15,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:17:15,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:15,112 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:17:15,113 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:15,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 19:17:15,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:15,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:15,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:15,129 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:15,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-19 19:17:15,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 19:17:15,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 19:17:15,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 19:17:15,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 19:17:15,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 19:17:15,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 19:17:15,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 19:17:15,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 19:17:15,137 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-19 19:17:15,139 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-19 19:17:15,139 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-19 19:17:15,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:17:15,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:17:15,140 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:17:15,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-19 19:17:15,141 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-19 19:17:15,141 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-19 19:17:15,141 INFO L513 LassoAnalysis]: Proved termination. [2021-12-19 19:17:15,142 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_e~0) = -1*~e_e~0 + 1 Supporting invariants [] [2021-12-19 19:17:15,156 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-19 19:17:15,156 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-19 19:17:15,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:15,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 19:17:15,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 19:17:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:15,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-19 19:17:15,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 19:17:15,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-19 19:17:15,398 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-19 19:17:15,399 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 3180 states and 5146 transitions. cyclomatic complexity: 1972 Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:15,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-12-19 19:17:15,467 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 3180 states and 5146 transitions. cyclomatic complexity: 1972. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 8425 states and 13698 transitions. Complement of second has 5 states. [2021-12-19 19:17:15,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-19 19:17:15,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:15,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 202 transitions. [2021-12-19 19:17:15,468 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 202 transitions. Stem has 25 letters. Loop has 39 letters. [2021-12-19 19:17:15,469 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 19:17:15,469 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 202 transitions. Stem has 64 letters. Loop has 39 letters. [2021-12-19 19:17:15,469 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 19:17:15,469 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 202 transitions. Stem has 25 letters. Loop has 78 letters. [2021-12-19 19:17:15,469 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 19:17:15,470 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8425 states and 13698 transitions. [2021-12-19 19:17:15,504 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 3740 [2021-12-19 19:17:15,540 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8425 states to 8425 states and 13698 transitions. [2021-12-19 19:17:15,541 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3861 [2021-12-19 19:17:15,544 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3924 [2021-12-19 19:17:15,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8425 states and 13698 transitions. [2021-12-19 19:17:15,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 19:17:15,544 INFO L681 BuchiCegarLoop]: Abstraction has 8425 states and 13698 transitions. [2021-12-19 19:17:15,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8425 states and 13698 transitions. [2021-12-19 19:17:15,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8425 to 8362. [2021-12-19 19:17:15,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8362 states, 8362 states have (on average 1.6270031093039943) internal successors, (13605), 8361 states have internal predecessors, (13605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:15,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8362 states to 8362 states and 13605 transitions. [2021-12-19 19:17:15,685 INFO L704 BuchiCegarLoop]: Abstraction has 8362 states and 13605 transitions. [2021-12-19 19:17:15,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:17:15,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 19:17:15,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 19:17:15,685 INFO L87 Difference]: Start difference. First operand 8362 states and 13605 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:15,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:17:15,734 INFO L93 Difference]: Finished difference Result 13026 states and 20958 transitions. [2021-12-19 19:17:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 19:17:15,735 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13026 states and 20958 transitions. [2021-12-19 19:17:15,781 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 5899 [2021-12-19 19:17:15,872 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13026 states to 13026 states and 20958 transitions. [2021-12-19 19:17:15,872 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6028 [2021-12-19 19:17:15,875 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6028 [2021-12-19 19:17:15,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13026 states and 20958 transitions. [2021-12-19 19:17:15,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 19:17:15,876 INFO L681 BuchiCegarLoop]: Abstraction has 13026 states and 20958 transitions. [2021-12-19 19:17:15,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13026 states and 20958 transitions. [2021-12-19 19:17:16,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13026 to 13026. [2021-12-19 19:17:16,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13026 states, 13026 states have (on average 1.6089359742054352) internal successors, (20958), 13025 states have internal predecessors, (20958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:16,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13026 states to 13026 states and 20958 transitions. [2021-12-19 19:17:16,088 INFO L704 BuchiCegarLoop]: Abstraction has 13026 states and 20958 transitions. [2021-12-19 19:17:16,089 INFO L587 BuchiCegarLoop]: Abstraction has 13026 states and 20958 transitions. [2021-12-19 19:17:16,089 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-12-19 19:17:16,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13026 states and 20958 transitions. [2021-12-19 19:17:16,150 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 5899 [2021-12-19 19:17:16,163 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:17:16,163 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:17:16,164 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] [2021-12-19 19:17:16,164 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:17:16,164 INFO L791 eck$LassoCheckResult]: Stem: 62993#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 62856#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 62857#L404 assume !(1 == ~c_req_up~0); 62921#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 62792#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 62793#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 62956#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 62957#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 63003#L435-1 assume !(0 == ~e_f~0); 63004#L440-1 assume !(0 == ~e_g~0); 62860#L445-1 assume !(0 == ~e_e~0); 62861#L450-1 assume !(0 == ~e_c~0); 62790#L455-1 assume !(0 == ~e_wl~0); 62791#L460-1 assume !(1 == ~wl_pc~0); 63034#L472 assume !(2 == ~wl_pc~0); 62997#L473 assume !(1 == ~c1_pc~0); 62972#L483 assume !(1 == ~c2_pc~0); 62760#L492 assume !(1 == ~wb_pc~0); 62859#L501 assume !(1 == ~e_c~0); 62889#L510-1 assume !(1 == ~e_e~0); 63017#L515-1 assume !(1 == ~e_f~0); 62757#L520-1 assume !(1 == ~e_g~0); 62758#L525-1 assume !(1 == ~e_c~0); 62862#L530-1 assume !(1 == ~e_wl~0); 64804#L672-1 assume !false; 64805#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 71626#L377 [2021-12-19 19:17:16,164 INFO L793 eck$LassoCheckResult]: Loop: 71626#L377 assume !false; 71623#L295 assume 0 == ~wl_st~0; 71620#L308-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 71614#L321 assume !(0 != eval_~tmp~0#1); 71613#L317 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 71345#L336 assume !(0 != eval_~tmp___0~0#1); 71610#L332 assume !(0 == ~c2_st~0); 73069#L347 assume !(0 == ~wb_st~0); 71633#L362 assume !(0 == ~r_st~0); 71626#L377 [2021-12-19 19:17:16,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:16,164 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 1 times [2021-12-19 19:17:16,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:16,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179001462] [2021-12-19 19:17:16,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:16,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:16,169 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:17:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:16,188 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:17:16,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:16,188 INFO L85 PathProgramCache]: Analyzing trace with hash 910089250, now seen corresponding path program 1 times [2021-12-19 19:17:16,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:16,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373352215] [2021-12-19 19:17:16,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:16,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:16,190 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:17:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:16,192 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:17:16,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:16,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1807696598, now seen corresponding path program 1 times [2021-12-19 19:17:16,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:16,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378483934] [2021-12-19 19:17:16,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:16,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:16,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:16,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:16,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378483934] [2021-12-19 19:17:16,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378483934] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:16,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:16,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 19:17:16,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793697522] [2021-12-19 19:17:16,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:16,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:17:16,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 19:17:16,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 19:17:16,247 INFO L87 Difference]: Start difference. First operand 13026 states and 20958 transitions. cyclomatic complexity: 7950 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:16,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:17:16,320 INFO L93 Difference]: Finished difference Result 20176 states and 31971 transitions. [2021-12-19 19:17:16,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 19:17:16,321 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20176 states and 31971 transitions. [2021-12-19 19:17:16,452 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 9212 [2021-12-19 19:17:16,505 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20176 states to 20176 states and 31971 transitions. [2021-12-19 19:17:16,505 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9426 [2021-12-19 19:17:16,513 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9426 [2021-12-19 19:17:16,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20176 states and 31971 transitions. [2021-12-19 19:17:16,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 19:17:16,513 INFO L681 BuchiCegarLoop]: Abstraction has 20176 states and 31971 transitions. [2021-12-19 19:17:16,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20176 states and 31971 transitions. [2021-12-19 19:17:16,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20176 to 20176. [2021-12-19 19:17:16,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20176 states, 20176 states have (on average 1.5846054718477398) internal successors, (31971), 20175 states have internal predecessors, (31971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:16,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20176 states to 20176 states and 31971 transitions. [2021-12-19 19:17:16,891 INFO L704 BuchiCegarLoop]: Abstraction has 20176 states and 31971 transitions. [2021-12-19 19:17:16,891 INFO L587 BuchiCegarLoop]: Abstraction has 20176 states and 31971 transitions. [2021-12-19 19:17:16,891 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-12-19 19:17:16,891 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20176 states and 31971 transitions. [2021-12-19 19:17:16,991 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 9212 [2021-12-19 19:17:17,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:17:17,001 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:17:17,002 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] [2021-12-19 19:17:17,002 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:17:17,002 INFO L791 eck$LassoCheckResult]: Stem: 96218#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 96066#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 96067#L404 assume !(1 == ~c_req_up~0); 96130#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 96000#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 96001#L420-1 assume !(1 == ~c2_i~0);~c2_st~0 := 2; 96280#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 98656#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 98655#L435-1 assume !(0 == ~e_f~0); 98654#L440-1 assume !(0 == ~e_g~0); 98653#L445-1 assume !(0 == ~e_e~0); 98652#L450-1 assume !(0 == ~e_c~0); 98651#L455-1 assume !(0 == ~e_wl~0); 98650#L460-1 assume !(1 == ~wl_pc~0); 98647#L472 assume !(2 == ~wl_pc~0); 98646#L473 assume !(1 == ~c1_pc~0); 98643#L483 assume !(1 == ~c2_pc~0); 96209#L492 assume !(1 == ~wb_pc~0); 96069#L501 assume !(1 == ~e_c~0); 96250#L510-1 assume !(1 == ~e_e~0); 96247#L515-1 assume !(1 == ~e_f~0); 95965#L520-1 assume !(1 == ~e_g~0); 95966#L525-1 assume !(1 == ~e_c~0); 96072#L530-1 assume !(1 == ~e_wl~0); 98634#L672-1 assume !false; 98635#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 108486#L377 [2021-12-19 19:17:17,002 INFO L793 eck$LassoCheckResult]: Loop: 108486#L377 assume !false; 108483#L295 assume 0 == ~wl_st~0; 108478#L308-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 108475#L321 assume !(0 != eval_~tmp~0#1); 108473#L317 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 108461#L336 assume !(0 != eval_~tmp___0~0#1); 108472#L332 assume !(0 == ~c2_st~0); 109228#L347 assume !(0 == ~wb_st~0); 108491#L362 assume !(0 == ~r_st~0); 108486#L377 [2021-12-19 19:17:17,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:17,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1246052603, now seen corresponding path program 1 times [2021-12-19 19:17:17,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:17,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935236228] [2021-12-19 19:17:17,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:17,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:17,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:17,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:17,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935236228] [2021-12-19 19:17:17,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935236228] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:17,021 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:17,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 19:17:17,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067296916] [2021-12-19 19:17:17,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:17,021 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 19:17:17,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:17,022 INFO L85 PathProgramCache]: Analyzing trace with hash 910089250, now seen corresponding path program 2 times [2021-12-19 19:17:17,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:17,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100739200] [2021-12-19 19:17:17,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:17,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:17,026 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:17:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:17,028 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:17:17,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:17:17,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 19:17:17,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 19:17:17,066 INFO L87 Difference]: Start difference. First operand 20176 states and 31971 transitions. cyclomatic complexity: 11813 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:17,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:17:17,125 INFO L93 Difference]: Finished difference Result 20104 states and 31852 transitions. [2021-12-19 19:17:17,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 19:17:17,126 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20104 states and 31852 transitions. [2021-12-19 19:17:17,301 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 9212 [2021-12-19 19:17:17,397 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20104 states to 20104 states and 31852 transitions. [2021-12-19 19:17:17,397 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9357 [2021-12-19 19:17:17,406 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9357 [2021-12-19 19:17:17,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20104 states and 31852 transitions. [2021-12-19 19:17:17,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 19:17:17,406 INFO L681 BuchiCegarLoop]: Abstraction has 20104 states and 31852 transitions. [2021-12-19 19:17:17,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20104 states and 31852 transitions. [2021-12-19 19:17:17,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20104 to 20104. [2021-12-19 19:17:17,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20104 states, 20104 states have (on average 1.5843613211301233) internal successors, (31852), 20103 states have internal predecessors, (31852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:17,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20104 states to 20104 states and 31852 transitions. [2021-12-19 19:17:17,615 INFO L704 BuchiCegarLoop]: Abstraction has 20104 states and 31852 transitions. [2021-12-19 19:17:17,615 INFO L587 BuchiCegarLoop]: Abstraction has 20104 states and 31852 transitions. [2021-12-19 19:17:17,615 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-12-19 19:17:17,615 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20104 states and 31852 transitions. [2021-12-19 19:17:17,719 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 9212 [2021-12-19 19:17:17,720 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:17:17,720 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:17:17,722 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] [2021-12-19 19:17:17,722 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:17:17,722 INFO L791 eck$LassoCheckResult]: Stem: 136495#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 136346#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 136347#L404 assume !(1 == ~c_req_up~0); 136416#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 136289#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 136290#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 136451#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 136452#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 136499#L435-1 assume !(0 == ~e_f~0); 136500#L440-1 assume !(0 == ~e_g~0); 136350#L445-1 assume !(0 == ~e_e~0); 136351#L450-1 assume !(0 == ~e_c~0); 136283#L455-1 assume !(0 == ~e_wl~0); 136284#L460-1 assume !(1 == ~wl_pc~0); 136532#L472 assume !(2 == ~wl_pc~0); 136497#L473 assume !(1 == ~c1_pc~0); 136476#L483 assume !(1 == ~c2_pc~0); 136253#L492 assume !(1 == ~wb_pc~0); 136349#L501 assume !(1 == ~e_c~0); 136380#L510-1 assume !(1 == ~e_e~0); 136515#L515-1 assume !(1 == ~e_f~0); 136250#L520-1 assume !(1 == ~e_g~0); 136251#L525-1 assume !(1 == ~e_c~0); 136352#L530-1 assume !(1 == ~e_wl~0); 138595#L672-1 assume !false; 138596#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 148552#L377 [2021-12-19 19:17:17,723 INFO L793 eck$LassoCheckResult]: Loop: 148552#L377 assume !false; 148550#L295 assume 0 == ~wl_st~0; 148548#L308-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 148545#L321 assume !(0 != eval_~tmp~0#1); 148546#L317 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 147594#L336 assume !(0 != eval_~tmp___0~0#1); 147609#L332 assume 0 == ~c2_st~0;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1; 148567#L351 assume !(0 != eval_~tmp___1~0#1); 148566#L347 assume !(0 == ~wb_st~0); 148559#L362 assume !(0 == ~r_st~0); 148552#L377 [2021-12-19 19:17:17,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:17,723 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 2 times [2021-12-19 19:17:17,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:17,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326057897] [2021-12-19 19:17:17,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:17,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:17,727 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:17:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:17,732 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:17:17,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:17,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1853655075, now seen corresponding path program 1 times [2021-12-19 19:17:17,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:17,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973027535] [2021-12-19 19:17:17,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:17,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:17,734 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:17:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:17,735 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:17:17,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:17,736 INFO L85 PathProgramCache]: Analyzing trace with hash -205670443, now seen corresponding path program 1 times [2021-12-19 19:17:17,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:17,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405730955] [2021-12-19 19:17:17,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:17,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:17:17,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:17:17,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:17:17,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405730955] [2021-12-19 19:17:17,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405730955] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:17:17,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:17:17,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 19:17:17,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450103072] [2021-12-19 19:17:17,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:17:17,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:17:17,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 19:17:17,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 19:17:17,788 INFO L87 Difference]: Start difference. First operand 20104 states and 31852 transitions. cyclomatic complexity: 11766 Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:17,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:17:17,879 INFO L93 Difference]: Finished difference Result 33433 states and 51943 transitions. [2021-12-19 19:17:17,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 19:17:17,880 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33433 states and 51943 transitions. [2021-12-19 19:17:17,990 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 15444 [2021-12-19 19:17:18,181 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33433 states to 33433 states and 51943 transitions. [2021-12-19 19:17:18,182 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15625 [2021-12-19 19:17:18,194 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15625 [2021-12-19 19:17:18,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33433 states and 51943 transitions. [2021-12-19 19:17:18,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 19:17:18,195 INFO L681 BuchiCegarLoop]: Abstraction has 33433 states and 51943 transitions. [2021-12-19 19:17:18,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33433 states and 51943 transitions. [2021-12-19 19:17:18,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33433 to 33433. [2021-12-19 19:17:18,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33433 states, 33433 states have (on average 1.553644602638112) internal successors, (51943), 33432 states have internal predecessors, (51943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:17:18,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33433 states to 33433 states and 51943 transitions. [2021-12-19 19:17:18,554 INFO L704 BuchiCegarLoop]: Abstraction has 33433 states and 51943 transitions. [2021-12-19 19:17:18,554 INFO L587 BuchiCegarLoop]: Abstraction has 33433 states and 51943 transitions. [2021-12-19 19:17:18,555 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-12-19 19:17:18,555 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33433 states and 51943 transitions. [2021-12-19 19:17:18,739 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 15444 [2021-12-19 19:17:18,739 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:17:18,739 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:17:18,739 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] [2021-12-19 19:17:18,739 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:17:18,740 INFO L791 eck$LassoCheckResult]: Stem: 190048#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 189894#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 189895#L404 assume !(1 == ~c_req_up~0); 189961#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 189829#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 189830#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 189997#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 189998#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 190055#L435-1 assume !(0 == ~e_f~0); 190056#L440-1 assume !(0 == ~e_g~0); 189898#L445-1 assume !(0 == ~e_e~0); 189899#L450-1 assume !(0 == ~e_c~0); 189827#L455-1 assume !(0 == ~e_wl~0); 189828#L460-1 assume !(1 == ~wl_pc~0); 190091#L472 assume !(2 == ~wl_pc~0); 190050#L473 assume !(1 == ~c1_pc~0); 190017#L483 assume !(1 == ~c2_pc~0); 189797#L492 assume !(1 == ~wb_pc~0); 189897#L501 assume !(1 == ~e_c~0); 189928#L510-1 assume !(1 == ~e_e~0); 190074#L515-1 assume !(1 == ~e_f~0); 189794#L520-1 assume !(1 == ~e_g~0); 189795#L525-1 assume !(1 == ~e_c~0); 189900#L530-1 assume !(1 == ~e_wl~0); 196797#L672-1 assume !false; 196798#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 207344#L377 [2021-12-19 19:17:18,740 INFO L793 eck$LassoCheckResult]: Loop: 207344#L377 assume !false; 209577#L295 assume 0 == ~wl_st~0; 209575#L308-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 209573#L321 assume !(0 != eval_~tmp~0#1); 208610#L317 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 208608#L336 assume !(0 != eval_~tmp___0~0#1); 208606#L332 assume 0 == ~c2_st~0;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1; 208594#L351 assume !(0 != eval_~tmp___1~0#1); 208603#L347 assume 0 == ~wb_st~0;eval_~tmp___2~0#1 := eval_#t~nondet7#1;havoc eval_#t~nondet7#1; 208706#L366 assume !(0 != eval_~tmp___2~0#1); 208716#L362 assume !(0 == ~r_st~0); 207344#L377 [2021-12-19 19:17:18,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:18,740 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 3 times [2021-12-19 19:17:18,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:18,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308051848] [2021-12-19 19:17:18,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:18,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:18,747 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:17:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:18,751 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:17:18,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:18,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1628767882, now seen corresponding path program 1 times [2021-12-19 19:17:18,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:18,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844700258] [2021-12-19 19:17:18,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:18,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:18,754 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:17:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:18,755 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:17:18,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:17:18,756 INFO L85 PathProgramCache]: Analyzing trace with hash -2080851842, now seen corresponding path program 1 times [2021-12-19 19:17:18,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:17:18,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346134224] [2021-12-19 19:17:18,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:17:18,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:17:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:18,760 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:17:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:17:18,767 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:17:19,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.12 07:17:19 BoogieIcfgContainer [2021-12-19 19:17:19,389 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-19 19:17:19,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-19 19:17:19,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-19 19:17:19,390 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-19 19:17:19,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:17:08" (3/4) ... [2021-12-19 19:17:19,392 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-19 19:17:19,417 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-19 19:17:19,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-19 19:17:19,417 INFO L158 Benchmark]: Toolchain (without parser) took 11167.61ms. Allocated memory was 104.9MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 70.2MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 413.5MB. Max. memory is 16.1GB. [2021-12-19 19:17:19,418 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 79.7MB. Free memory was 58.7MB in the beginning and 58.6MB in the end (delta: 22.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 19:17:19,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.53ms. Allocated memory is still 104.9MB. Free memory was 70.0MB in the beginning and 77.9MB in the end (delta: -7.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-19 19:17:19,418 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.63ms. Allocated memory is still 104.9MB. Free memory was 77.9MB in the beginning and 75.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 19:17:19,418 INFO L158 Benchmark]: Boogie Preprocessor took 19.08ms. Allocated memory is still 104.9MB. Free memory was 75.8MB in the beginning and 73.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 19:17:19,418 INFO L158 Benchmark]: RCFGBuilder took 416.85ms. Allocated memory is still 104.9MB. Free memory was 73.7MB in the beginning and 54.4MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-19 19:17:19,419 INFO L158 Benchmark]: BuchiAutomizer took 10424.83ms. Allocated memory was 104.9MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 54.4MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 397.1MB. Max. memory is 16.1GB. [2021-12-19 19:17:19,419 INFO L158 Benchmark]: Witness Printer took 27.41ms. Allocated memory is still 1.6GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 19:17:19,420 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 79.7MB. Free memory was 58.7MB in the beginning and 58.6MB in the end (delta: 22.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.53ms. Allocated memory is still 104.9MB. Free memory was 70.0MB in the beginning and 77.9MB in the end (delta: -7.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.63ms. Allocated memory is still 104.9MB. Free memory was 77.9MB in the beginning and 75.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.08ms. Allocated memory is still 104.9MB. Free memory was 75.8MB in the beginning and 73.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 416.85ms. Allocated memory is still 104.9MB. Free memory was 73.7MB in the beginning and 54.4MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 10424.83ms. Allocated memory was 104.9MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 54.4MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 397.1MB. Max. memory is 16.1GB. * Witness Printer took 27.41ms. Allocated memory is still 1.6GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 19 terminating modules (16 trivial, 3 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * e_wl + 1 and consists of 3 locations. One deterministic module has affine ranking function -1 * e_g + 1 and consists of 3 locations. One deterministic module has affine ranking function -1 * e_e + 1 and consists of 3 locations. 16 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 33433 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.3s and 17 iterations. TraceHistogramMax:2. Analysis of lassos took 5.3s. Construction of modules took 0.2s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 9. Minimization of nondet autom 10. Automata minimization 1.6s AutomataMinimizationTime, 19 MinimizatonAttempts, 1573 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 1.1s Buchi closure took 0.0s. Biggest automaton had 33433 states and ocurred in iteration 16. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4286 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4283 mSDsluCounter, 7691 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3114 mSDsCounter, 122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 413 IncrementalHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 122 mSolverCounterUnsat, 4577 mSDtfsCounter, 413 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc2 concLT2 SILN1 SILU0 SILI8 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital82 mio100 ax100 hnf100 lsp12 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq180 hnf100 smp100 dnf211 smp54 tf110 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 21 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 294]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {p_out=0, wb_st=0, NULL=0, processed=0, tmp___3=0, __retres1=0, NULL=1, tmp___2=0, c2_st=0, wl_pc=0, e_wl=2, e_c=2, e_e=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28e8d474=0, e_p_in=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ee97977=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10c47e88=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a5c63f4=0, t_b=0, p_in=0, wb_pc=0, data=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31b2515e=0, wb_i=1, tmp___1=0, c_req_up=0, c_t=0, wl_i=1, c1_st=0, c=0, wl_st=0, c1_i=1, c2_pc=0, c2_i=1, tmp=0, tmp___0=0, \result=0, r_i=0, d=0, e_f=2, e_g=2, NULL=0, kernel_st=1, r_st=2, c1_pc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 294]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L28] int c ; [L29] int c_t ; [L30] int c_req_up ; [L31] int p_in ; [L32] int p_out ; [L33] int wl_st ; [L34] int c1_st ; [L35] int c2_st ; [L36] int wb_st ; [L37] int r_st ; [L38] int wl_i ; [L39] int c1_i ; [L40] int c2_i ; [L41] int wb_i ; [L42] int r_i ; [L43] int wl_pc ; [L44] int c1_pc ; [L45] int c2_pc ; [L46] int wb_pc ; [L47] int e_e ; [L48] int e_f ; [L49] int e_g ; [L50] int e_c ; [L51] int e_p_in ; [L52] int e_wl ; [L58] int d ; [L59] int data ; [L60] int processed ; [L61] static int t_b ; [L689] int __retres1 ; [L693] e_wl = 2 [L694] e_c = e_wl [L695] e_g = e_c [L696] e_f = e_g [L697] e_e = e_f [L698] wl_pc = 0 [L699] c1_pc = 0 [L700] c2_pc = 0 [L701] wb_pc = 0 [L702] wb_i = 1 [L703] c2_i = wb_i [L704] c1_i = c2_i [L705] wl_i = c1_i [L706] r_i = 0 [L707] c_req_up = 0 [L708] d = 0 [L709] c = 0 [L710] CALL start_simulation() [L400] int kernel_st ; [L403] kernel_st = 0 [L404] COND FALSE !((int )c_req_up == 1) [L415] COND TRUE (int )wl_i == 1 [L416] wl_st = 0 [L420] COND TRUE (int )c1_i == 1 [L421] c1_st = 0 [L425] COND TRUE (int )c2_i == 1 [L426] c2_st = 0 [L430] COND TRUE (int )wb_i == 1 [L431] wb_st = 0 [L435] COND FALSE !((int )r_i == 1) [L438] r_st = 2 [L440] COND FALSE !((int )e_f == 0) [L445] COND FALSE !((int )e_g == 0) [L450] COND FALSE !((int )e_e == 0) [L455] COND FALSE !((int )e_c == 0) [L460] COND FALSE !((int )e_wl == 0) [L465] COND FALSE !((int )wl_pc == 1) [L473] COND FALSE !((int )wl_pc == 2) [L483] COND FALSE !((int )c1_pc == 1) [L492] COND FALSE !((int )c2_pc == 1) [L501] COND FALSE !((int )wb_pc == 1) [L510] COND FALSE !((int )e_c == 1) [L515] COND FALSE !((int )e_e == 1) [L520] COND FALSE !((int )e_f == 1) [L525] COND FALSE !((int )e_g == 1) [L530] COND FALSE !((int )e_c == 1) [L535] COND FALSE !((int )e_wl == 1) [L541] COND TRUE 1 [L544] kernel_st = 1 [L545] CALL eval() [L286] int tmp ; [L287] int tmp___0 ; [L288] int tmp___1 ; [L289] int tmp___2 ; [L290] int tmp___3 ; Loop: [L294] COND TRUE 1 [L296] COND TRUE (int )wl_st == 0 [L317] COND TRUE (int )wl_st == 0 [L319] tmp = __VERIFIER_nondet_int() [L321] COND FALSE !(\read(tmp)) [L332] COND TRUE (int )c1_st == 0 [L334] tmp___0 = __VERIFIER_nondet_int() [L336] COND FALSE !(\read(tmp___0)) [L347] COND TRUE (int )c2_st == 0 [L349] tmp___1 = __VERIFIER_nondet_int() [L351] COND FALSE !(\read(tmp___1)) [L362] COND TRUE (int )wb_st == 0 [L364] tmp___2 = __VERIFIER_nondet_int() [L366] COND FALSE !(\read(tmp___2)) [L377] COND FALSE !((int )r_st == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-19 19:17:19,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)