./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 53919ddd86c184ebcb3feb8881e46a0c75242a97 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 05:56:37,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 05:56:37,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 05:56:37,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 05:56:37,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 05:56:37,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 05:56:37,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 05:56:37,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 05:56:37,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 05:56:37,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 05:56:37,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 05:56:37,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 05:56:37,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 05:56:37,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 05:56:37,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 05:56:37,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 05:56:37,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 05:56:37,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 05:56:37,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 05:56:37,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 05:56:37,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 05:56:37,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 05:56:37,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 05:56:37,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 05:56:37,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 05:56:37,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 05:56:37,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 05:56:37,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 05:56:37,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 05:56:37,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 05:56:37,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 05:56:37,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 05:56:37,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 05:56:37,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 05:56:37,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 05:56:37,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 05:56:37,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 05:56:37,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 05:56:37,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 05:56:37,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 05:56:37,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 05:56:37,424 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-26 05:56:37,477 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 05:56:37,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 05:56:37,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 05:56:37,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 05:56:37,481 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 05:56:37,481 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 05:56:37,482 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 05:56:37,482 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 05:56:37,482 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 05:56:37,482 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 05:56:37,484 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 05:56:37,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 05:56:37,484 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 05:56:37,484 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 05:56:37,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 05:56:37,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 05:56:37,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 05:56:37,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 05:56:37,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 05:56:37,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 05:56:37,486 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 05:56:37,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 05:56:37,487 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 05:56:37,487 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 05:56:37,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 05:56:37,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 05:56:37,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 05:56:37,489 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 05:56:37,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 05:56:37,489 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 05:56:37,489 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 05:56:37,490 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 05:56:37,492 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 05:56:37,492 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53919ddd86c184ebcb3feb8881e46a0c75242a97 [2020-10-26 05:56:37,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 05:56:37,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 05:56:37,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 05:56:37,935 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 05:56:37,936 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 05:56:37,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c [2020-10-26 05:56:38,009 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f11bf7824/893c2b973a2a4c4ba118e205773ab5f3/FLAG66dc463f7 [2020-10-26 05:56:38,684 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 05:56:38,685 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c [2020-10-26 05:56:38,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f11bf7824/893c2b973a2a4c4ba118e205773ab5f3/FLAG66dc463f7 [2020-10-26 05:56:39,005 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f11bf7824/893c2b973a2a4c4ba118e205773ab5f3 [2020-10-26 05:56:39,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 05:56:39,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 05:56:39,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 05:56:39,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 05:56:39,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 05:56:39,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 05:56:39" (1/1) ... [2020-10-26 05:56:39,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e5486a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:56:39, skipping insertion in model container [2020-10-26 05:56:39,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 05:56:39" (1/1) ... [2020-10-26 05:56:39,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 05:56:39,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 05:56:39,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 05:56:39,515 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 05:56:39,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 05:56:39,636 INFO L208 MainTranslator]: Completed translation [2020-10-26 05:56:39,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:56:39 WrapperNode [2020-10-26 05:56:39,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 05:56:39,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 05:56:39,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 05:56:39,646 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 05:56:39,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:56:39" (1/1) ... [2020-10-26 05:56:39,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:56:39" (1/1) ... [2020-10-26 05:56:39,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 05:56:39,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 05:56:39,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 05:56:39,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 05:56:39,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:56:39" (1/1) ... [2020-10-26 05:56:39,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:56:39" (1/1) ... [2020-10-26 05:56:39,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:56:39" (1/1) ... [2020-10-26 05:56:39,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:56:39" (1/1) ... [2020-10-26 05:56:39,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:56:39" (1/1) ... [2020-10-26 05:56:39,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:56:39" (1/1) ... [2020-10-26 05:56:39,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:56:39" (1/1) ... [2020-10-26 05:56:39,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 05:56:39,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 05:56:39,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 05:56:39,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 05:56:39,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:56:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:56:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 05:56:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 05:56:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 05:56:39,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 05:56:40,963 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 05:56:40,964 INFO L298 CfgBuilder]: Removed 19 assume(true) statements. [2020-10-26 05:56:40,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 05:56:40 BoogieIcfgContainer [2020-10-26 05:56:40,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 05:56:40,967 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 05:56:40,967 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 05:56:40,971 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 05:56:40,972 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 05:56:40,972 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 05:56:39" (1/3) ... [2020-10-26 05:56:40,973 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fa94dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 05:56:40, skipping insertion in model container [2020-10-26 05:56:40,973 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 05:56:40,973 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:56:39" (2/3) ... [2020-10-26 05:56:40,974 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fa94dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 05:56:40, skipping insertion in model container [2020-10-26 05:56:40,974 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 05:56:40,974 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 05:56:40" (3/3) ... [2020-10-26 05:56:40,975 INFO L373 chiAutomizerObserver]: Analyzing ICFG pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c [2020-10-26 05:56:41,036 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 05:56:41,036 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 05:56:41,036 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 05:56:41,036 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 05:56:41,037 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 05:56:41,037 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 05:56:41,037 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 05:56:41,037 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 05:56:41,055 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states. [2020-10-26 05:56:41,087 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 79 [2020-10-26 05:56:41,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 05:56:41,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 05:56:41,099 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 05:56:41,099 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 05:56:41,099 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 05:56:41,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states. [2020-10-26 05:56:41,119 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 79 [2020-10-26 05:56:41,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 05:56:41,124 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 05:56:41,127 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 05:56:41,128 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 05:56:41,138 INFO L794 eck$LassoCheckResult]: Stem: 100#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(43);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset]; 14#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet13;havoc main_#t~nondet13;~ep13~0 := main_#t~nondet14;havoc main_#t~nondet14;~ep21~0 := main_#t~nondet15;havoc main_#t~nondet15;~ep23~0 := main_#t~nondet16;havoc main_#t~nondet16;~ep31~0 := main_#t~nondet17;havoc main_#t~nondet17;~ep32~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~r1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~nl1~0 := main_#t~nondet22;havoc main_#t~nondet22;~m1~0 := main_#t~nondet23;havoc main_#t~nondet23;~max1~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode1~0 := main_#t~nondet25;havoc main_#t~nondet25;~newmax1~0 := main_#t~nondet26;havoc main_#t~nondet26;~id2~0 := main_#t~nondet27;havoc main_#t~nondet27;~r2~0 := main_#t~nondet28;havoc main_#t~nondet28;~st2~0 := main_#t~nondet29;havoc main_#t~nondet29;~nl2~0 := main_#t~nondet30;havoc main_#t~nondet30;~m2~0 := main_#t~nondet31;havoc main_#t~nondet31;~max2~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode2~0 := main_#t~nondet33;havoc main_#t~nondet33;~newmax2~0 := main_#t~nondet34;havoc main_#t~nondet34;~id3~0 := main_#t~nondet35;havoc main_#t~nondet35;~r3~0 := main_#t~nondet36;havoc main_#t~nondet36;~st3~0 := main_#t~nondet37;havoc main_#t~nondet37;~nl3~0 := main_#t~nondet38;havoc main_#t~nondet38;~m3~0 := main_#t~nondet39;havoc main_#t~nondet39;~max3~0 := main_#t~nondet40;havoc main_#t~nondet40;~mode3~0 := main_#t~nondet41;havoc main_#t~nondet41;~newmax3~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r211~0, init_~r231~0, init_~r311~0, init_~r321~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r212~0, init_~tmp___1~0, init_~r232~0, init_~tmp___2~0, init_~r312~0, init_~tmp___3~0, init_~r322~0, init_~tmp___4~0, init_~tmp___5~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r212~0;havoc init_~tmp___1~0;havoc init_~r232~0;havoc init_~tmp___2~0;havoc init_~r312~0;havoc init_~tmp___3~0;havoc init_~r322~0;havoc init_~tmp___4~0;havoc init_~tmp___5~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0; 63#L303true assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 60#L306-1true init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 120#L316true assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 99#L319-1true init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 15#L329true assume 0 != init_~r211~0 % 256;init_~tmp___1~0 := 1; 13#L332-1true init_~r212~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 56#L342true assume 0 != init_~r231~0 % 256;init_~tmp___2~0 := 1; 43#L345-1true init_~r232~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 89#L355true assume 0 != init_~r311~0 % 256;init_~tmp___3~0 := 1; 86#L358-1true init_~r312~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 138#L368true assume 0 != init_~r321~0 % 256;init_~tmp___4~0 := 1; 119#L371-1true init_~r322~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 32#L381true assume !(~id1~0 != ~id2~0);init_~tmp___5~0 := 0; 36#L381-1true init_#res := init_~tmp___5~0; 132#L478true main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43; 113#L575true assume !(0 == main_~i2~0); 102#L575-2true ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0 := 0; 94#L589-2true [2020-10-26 05:56:41,145 INFO L796 eck$LassoCheckResult]: Loop: 94#L589-2true assume !!(main_~i2~0 < 6);havoc node1_#t~ite7, node1_#t~ite8, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 111#L126true assume !(0 != ~mode1~0 % 256); 88#L154true assume !(~r1~0 < 2); 105#L154-1true ~mode1~0 := 1; 107#L126-2true havoc node2_#t~ite9, node2_#t~ite10, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 45#L177true assume !(0 != ~mode2~0 % 256); 37#L205true assume !(~r2~0 < 2); 35#L205-1true ~mode2~0 := 1; 40#L177-2true havoc node3_#t~ite11, node3_#t~ite12, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 125#L228true assume !(0 != ~mode3~0 % 256); 101#L256true assume !(~r3~0 < 2); 98#L256-1true ~mode3~0 := 1; 122#L228-2true ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 18#L486true assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1 := 0; 21#L486-1true check_#res := check_~tmp~1; 93#L534true main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 110#L619true assume !(0 == assert_~arg % 256); 81#L614true main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 94#L589-2true [2020-10-26 05:56:41,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:56:41,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1710390244, now seen corresponding path program 1 times [2020-10-26 05:56:41,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:56:41,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839630287] [2020-10-26 05:56:41,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:56:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:56:41,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 05:56:41,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839630287] [2020-10-26 05:56:41,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 05:56:41,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 05:56:41,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071331635] [2020-10-26 05:56:41,530 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 05:56:41,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:56:41,531 INFO L82 PathProgramCache]: Analyzing trace with hash -365412494, now seen corresponding path program 1 times [2020-10-26 05:56:41,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:56:41,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891362282] [2020-10-26 05:56:41,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:56:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:56:41,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 05:56:41,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891362282] [2020-10-26 05:56:41,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 05:56:41,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 05:56:41,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425810233] [2020-10-26 05:56:41,676 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-26 05:56:41,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 05:56:41,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 05:56:41,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-26 05:56:41,696 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 5 states. [2020-10-26 05:56:41,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 05:56:41,798 INFO L93 Difference]: Finished difference Result 140 states and 235 transitions. [2020-10-26 05:56:41,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 05:56:41,800 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 140 states and 235 transitions. [2020-10-26 05:56:41,805 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2020-10-26 05:56:41,811 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 140 states to 131 states and 219 transitions. [2020-10-26 05:56:41,812 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 131 [2020-10-26 05:56:41,813 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 131 [2020-10-26 05:56:41,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 131 states and 219 transitions. [2020-10-26 05:56:41,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 05:56:41,815 INFO L691 BuchiCegarLoop]: Abstraction has 131 states and 219 transitions. [2020-10-26 05:56:41,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states and 219 transitions. [2020-10-26 05:56:41,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-10-26 05:56:41,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-26 05:56:41,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 219 transitions. [2020-10-26 05:56:41,854 INFO L714 BuchiCegarLoop]: Abstraction has 131 states and 219 transitions. [2020-10-26 05:56:41,855 INFO L594 BuchiCegarLoop]: Abstraction has 131 states and 219 transitions. [2020-10-26 05:56:41,855 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 05:56:41,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 131 states and 219 transitions. [2020-10-26 05:56:41,859 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2020-10-26 05:56:41,859 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 05:56:41,859 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 05:56:41,861 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 05:56:41,861 INFO L853 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] [2020-10-26 05:56:41,862 INFO L794 eck$LassoCheckResult]: Stem: 418#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(43);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset]; 316#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet13;havoc main_#t~nondet13;~ep13~0 := main_#t~nondet14;havoc main_#t~nondet14;~ep21~0 := main_#t~nondet15;havoc main_#t~nondet15;~ep23~0 := main_#t~nondet16;havoc main_#t~nondet16;~ep31~0 := main_#t~nondet17;havoc main_#t~nondet17;~ep32~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~r1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~nl1~0 := main_#t~nondet22;havoc main_#t~nondet22;~m1~0 := main_#t~nondet23;havoc main_#t~nondet23;~max1~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode1~0 := main_#t~nondet25;havoc main_#t~nondet25;~newmax1~0 := main_#t~nondet26;havoc main_#t~nondet26;~id2~0 := main_#t~nondet27;havoc main_#t~nondet27;~r2~0 := main_#t~nondet28;havoc main_#t~nondet28;~st2~0 := main_#t~nondet29;havoc main_#t~nondet29;~nl2~0 := main_#t~nondet30;havoc main_#t~nondet30;~m2~0 := main_#t~nondet31;havoc main_#t~nondet31;~max2~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode2~0 := main_#t~nondet33;havoc main_#t~nondet33;~newmax2~0 := main_#t~nondet34;havoc main_#t~nondet34;~id3~0 := main_#t~nondet35;havoc main_#t~nondet35;~r3~0 := main_#t~nondet36;havoc main_#t~nondet36;~st3~0 := main_#t~nondet37;havoc main_#t~nondet37;~nl3~0 := main_#t~nondet38;havoc main_#t~nondet38;~m3~0 := main_#t~nondet39;havoc main_#t~nondet39;~max3~0 := main_#t~nondet40;havoc main_#t~nondet40;~mode3~0 := main_#t~nondet41;havoc main_#t~nondet41;~newmax3~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r211~0, init_~r231~0, init_~r311~0, init_~r321~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r212~0, init_~tmp___1~0, init_~r232~0, init_~tmp___2~0, init_~r312~0, init_~tmp___3~0, init_~r322~0, init_~tmp___4~0, init_~tmp___5~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r212~0;havoc init_~tmp___1~0;havoc init_~r232~0;havoc init_~tmp___2~0;havoc init_~r312~0;havoc init_~tmp___3~0;havoc init_~r322~0;havoc init_~tmp___4~0;havoc init_~tmp___5~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0; 317#L303 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 320#L306-1 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 388#L316 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 384#L319-1 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 318#L329 assume 0 != init_~r211~0 % 256;init_~tmp___1~0 := 1; 313#L332-1 init_~r212~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 315#L342 assume 0 != init_~r231~0 % 256;init_~tmp___2~0 := 1; 361#L345-1 init_~r232~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 363#L355 assume 0 != init_~r311~0 % 256;init_~tmp___3~0 := 1; 352#L358-1 init_~r312~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 411#L368 assume 0 != init_~r321~0 % 256;init_~tmp___4~0 := 1; 386#L371-1 init_~r322~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 346#L381 assume !(~id1~0 != ~id2~0);init_~tmp___5~0 := 0; 302#L381-1 init_#res := init_~tmp___5~0; 354#L478 main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43; 423#L575 assume !(0 == main_~i2~0); 420#L575-2 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0 := 0; 406#L589-2 [2020-10-26 05:56:41,862 INFO L796 eck$LassoCheckResult]: Loop: 406#L589-2 assume !!(main_~i2~0 < 6);havoc node1_#t~ite7, node1_#t~ite8, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 415#L126 assume !(0 != ~mode1~0 % 256); 412#L154 assume !(~r1~0 < 2); 349#L154-1 ~mode1~0 := 1; 421#L126-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 366#L177 assume !(0 != ~mode2~0 % 256); 355#L205 assume !(~r2~0 < 2); 339#L205-1 ~mode2~0 := 1; 353#L177-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 358#L228 assume !(0 != ~mode3~0 % 256); 419#L256 assume !(~r3~0 < 2); 310#L256-1 ~mode3~0 := 1; 417#L228-2 ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 323#L486 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 324#L487 assume ~st1~0 + ~nl1~0 <= 1; 372#L488 assume ~st2~0 + ~nl2~0 <= 1; 373#L489 assume ~st3~0 + ~nl3~0 <= 1; 416#L490 assume ~r1~0 >= 2; 329#L494 assume ~r1~0 < 2; 330#L499 assume ~r1~0 >= 2; 369#L504 assume ~r1~0 < 2;check_~tmp~1 := 1; 322#L486-1 check_#res := check_~tmp~1; 327#L534 main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 414#L619 assume !(0 == assert_~arg % 256); 405#L614 main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 406#L589-2 [2020-10-26 05:56:41,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:56:41,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1710390244, now seen corresponding path program 2 times [2020-10-26 05:56:41,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:56:41,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42865283] [2020-10-26 05:56:41,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:56:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:56:41,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 05:56:41,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42865283] [2020-10-26 05:56:41,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 05:56:41,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 05:56:41,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144371361] [2020-10-26 05:56:41,958 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 05:56:41,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:56:41,959 INFO L82 PathProgramCache]: Analyzing trace with hash 630711702, now seen corresponding path program 1 times [2020-10-26 05:56:41,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:56:41,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481057444] [2020-10-26 05:56:41,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:56:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:56:42,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 05:56:42,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481057444] [2020-10-26 05:56:42,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 05:56:42,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 05:56:42,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947310484] [2020-10-26 05:56:42,019 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-26 05:56:42,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 05:56:42,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 05:56:42,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-26 05:56:42,022 INFO L87 Difference]: Start difference. First operand 131 states and 219 transitions. cyclomatic complexity: 89 Second operand 5 states. [2020-10-26 05:56:42,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 05:56:42,114 INFO L93 Difference]: Finished difference Result 211 states and 344 transitions. [2020-10-26 05:56:42,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 05:56:42,115 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 344 transitions. [2020-10-26 05:56:42,119 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2020-10-26 05:56:42,122 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 208 states and 318 transitions. [2020-10-26 05:56:42,123 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 208 [2020-10-26 05:56:42,123 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 208 [2020-10-26 05:56:42,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 208 states and 318 transitions. [2020-10-26 05:56:42,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 05:56:42,126 INFO L691 BuchiCegarLoop]: Abstraction has 208 states and 318 transitions. [2020-10-26 05:56:42,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states and 318 transitions. [2020-10-26 05:56:42,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 131. [2020-10-26 05:56:42,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-26 05:56:42,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 195 transitions. [2020-10-26 05:56:42,158 INFO L714 BuchiCegarLoop]: Abstraction has 131 states and 195 transitions. [2020-10-26 05:56:42,159 INFO L594 BuchiCegarLoop]: Abstraction has 131 states and 195 transitions. [2020-10-26 05:56:42,159 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 05:56:42,159 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 131 states and 195 transitions. [2020-10-26 05:56:42,161 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2020-10-26 05:56:42,161 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 05:56:42,161 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 05:56:42,163 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 05:56:42,164 INFO L853 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] [2020-10-26 05:56:42,164 INFO L794 eck$LassoCheckResult]: Stem: 774#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(43);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset]; 670#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet13;havoc main_#t~nondet13;~ep13~0 := main_#t~nondet14;havoc main_#t~nondet14;~ep21~0 := main_#t~nondet15;havoc main_#t~nondet15;~ep23~0 := main_#t~nondet16;havoc main_#t~nondet16;~ep31~0 := main_#t~nondet17;havoc main_#t~nondet17;~ep32~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~r1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~nl1~0 := main_#t~nondet22;havoc main_#t~nondet22;~m1~0 := main_#t~nondet23;havoc main_#t~nondet23;~max1~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode1~0 := main_#t~nondet25;havoc main_#t~nondet25;~newmax1~0 := main_#t~nondet26;havoc main_#t~nondet26;~id2~0 := main_#t~nondet27;havoc main_#t~nondet27;~r2~0 := main_#t~nondet28;havoc main_#t~nondet28;~st2~0 := main_#t~nondet29;havoc main_#t~nondet29;~nl2~0 := main_#t~nondet30;havoc main_#t~nondet30;~m2~0 := main_#t~nondet31;havoc main_#t~nondet31;~max2~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode2~0 := main_#t~nondet33;havoc main_#t~nondet33;~newmax2~0 := main_#t~nondet34;havoc main_#t~nondet34;~id3~0 := main_#t~nondet35;havoc main_#t~nondet35;~r3~0 := main_#t~nondet36;havoc main_#t~nondet36;~st3~0 := main_#t~nondet37;havoc main_#t~nondet37;~nl3~0 := main_#t~nondet38;havoc main_#t~nondet38;~m3~0 := main_#t~nondet39;havoc main_#t~nondet39;~max3~0 := main_#t~nondet40;havoc main_#t~nondet40;~mode3~0 := main_#t~nondet41;havoc main_#t~nondet41;~newmax3~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r211~0, init_~r231~0, init_~r311~0, init_~r321~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r212~0, init_~tmp___1~0, init_~r232~0, init_~tmp___2~0, init_~r312~0, init_~tmp___3~0, init_~r322~0, init_~tmp___4~0, init_~tmp___5~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r212~0;havoc init_~tmp___1~0;havoc init_~r232~0;havoc init_~tmp___2~0;havoc init_~r312~0;havoc init_~tmp___3~0;havoc init_~r322~0;havoc init_~tmp___4~0;havoc init_~tmp___5~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0; 671#L303 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 674#L306-1 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 743#L316 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 739#L319-1 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 672#L329 assume 0 != init_~r211~0 % 256;init_~tmp___1~0 := 1; 667#L332-1 init_~r212~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 669#L342 assume 0 != init_~r231~0 % 256;init_~tmp___2~0 := 1; 717#L345-1 init_~r232~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 720#L355 assume 0 != init_~r311~0 % 256;init_~tmp___3~0 := 1; 707#L358-1 init_~r312~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 766#L368 assume 0 != init_~r321~0 % 256;init_~tmp___4~0 := 1; 741#L371-1 init_~r322~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 700#L381 assume ~id1~0 != ~id2~0; 701#L382 assume ~id1~0 != ~id3~0; 756#L383 assume ~id2~0 != ~id3~0; 692#L384 assume ~id1~0 >= 0; 693#L385 assume ~id2~0 >= 0; 737#L386 assume ~id3~0 >= 0; 659#L387 assume 0 == ~r1~0; 660#L388 assume 0 == ~r2~0; 733#L389 assume 0 == ~r3~0; 734#L390 assume ~max1~0 == ~id1~0; 759#L391 assume ~max2~0 == ~id2~0; 698#L392 assume ~max3~0 == ~id3~0; 699#L393 assume 0 == ~st1~0; 754#L394 assume 0 == ~st2~0; 688#L395 assume 0 == ~st3~0; 689#L396 assume 0 == ~nl1~0; 736#L397 assume 0 == ~nl2~0; 655#L398 assume 0 == ~nl3~0; 656#L399 assume 0 == ~mode1~0 % 256; 731#L400 assume 0 == ~mode2~0 % 256; 732#L401 assume 0 == ~mode3~0 % 256; 758#L402 assume 0 != ~newmax1~0 % 256; 696#L403 assume 0 != ~newmax2~0 % 256; 697#L404 assume 0 != ~newmax3~0 % 256;init_~tmp___5~0 := 1; 708#L381-1 init_#res := init_~tmp___5~0; 709#L478 main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43; 778#L575 assume !(0 == main_~i2~0); 775#L575-2 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0 := 0; 761#L589-2 [2020-10-26 05:56:42,166 INFO L796 eck$LassoCheckResult]: Loop: 761#L589-2 assume !!(main_~i2~0 < 6);havoc node1_#t~ite7, node1_#t~ite8, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 770#L126 assume !(0 != ~mode1~0 % 256); 767#L154 assume !(~r1~0 < 2); 703#L154-1 ~mode1~0 := 1; 776#L126-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 721#L177 assume !(0 != ~mode2~0 % 256); 710#L205 assume !(~r2~0 < 2); 691#L205-1 ~mode2~0 := 1; 705#L177-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 713#L228 assume !(0 != ~mode3~0 % 256); 773#L256 assume !(~r3~0 < 2); 664#L256-1 ~mode3~0 := 1; 772#L228-2 ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 677#L486 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 678#L487 assume ~st1~0 + ~nl1~0 <= 1; 727#L488 assume ~st2~0 + ~nl2~0 <= 1; 728#L489 assume ~st3~0 + ~nl3~0 <= 1; 771#L490 assume ~r1~0 >= 2; 683#L494 assume ~r1~0 < 2; 684#L499 assume ~r1~0 >= 2; 725#L504 assume ~r1~0 < 2;check_~tmp~1 := 1; 676#L486-1 check_#res := check_~tmp~1; 682#L534 main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 769#L619 assume !(0 == assert_~arg % 256); 760#L614 main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 761#L589-2 [2020-10-26 05:56:42,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:56:42,167 INFO L82 PathProgramCache]: Analyzing trace with hash -2116426971, now seen corresponding path program 1 times [2020-10-26 05:56:42,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:56:42,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832845616] [2020-10-26 05:56:42,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:56:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:56:42,315 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:56:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:56:42,414 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:56:42,477 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 05:56:42,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:56:42,482 INFO L82 PathProgramCache]: Analyzing trace with hash 630711702, now seen corresponding path program 2 times [2020-10-26 05:56:42,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:56:42,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017343123] [2020-10-26 05:56:42,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:56:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:56:42,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 05:56:42,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017343123] [2020-10-26 05:56:42,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 05:56:42,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 05:56:42,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722680743] [2020-10-26 05:56:42,554 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-26 05:56:42,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 05:56:42,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 05:56:42,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 05:56:42,558 INFO L87 Difference]: Start difference. First operand 131 states and 195 transitions. cyclomatic complexity: 65 Second operand 3 states. [2020-10-26 05:56:42,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 05:56:42,620 INFO L93 Difference]: Finished difference Result 189 states and 282 transitions. [2020-10-26 05:56:42,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 05:56:42,621 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 189 states and 282 transitions. [2020-10-26 05:56:42,624 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 135 [2020-10-26 05:56:42,627 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 189 states to 189 states and 282 transitions. [2020-10-26 05:56:42,627 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 189 [2020-10-26 05:56:42,629 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 189 [2020-10-26 05:56:42,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 189 states and 282 transitions. [2020-10-26 05:56:42,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 05:56:42,633 INFO L691 BuchiCegarLoop]: Abstraction has 189 states and 282 transitions. [2020-10-26 05:56:42,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states and 282 transitions. [2020-10-26 05:56:42,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2020-10-26 05:56:42,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-10-26 05:56:42,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 282 transitions. [2020-10-26 05:56:42,656 INFO L714 BuchiCegarLoop]: Abstraction has 189 states and 282 transitions. [2020-10-26 05:56:42,657 INFO L594 BuchiCegarLoop]: Abstraction has 189 states and 282 transitions. [2020-10-26 05:56:42,657 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-26 05:56:42,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 189 states and 282 transitions. [2020-10-26 05:56:42,661 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 135 [2020-10-26 05:56:42,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 05:56:42,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 05:56:42,667 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 05:56:42,667 INFO L853 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] [2020-10-26 05:56:42,667 INFO L794 eck$LassoCheckResult]: Stem: 1102#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(43);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset]; 997#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet13;havoc main_#t~nondet13;~ep13~0 := main_#t~nondet14;havoc main_#t~nondet14;~ep21~0 := main_#t~nondet15;havoc main_#t~nondet15;~ep23~0 := main_#t~nondet16;havoc main_#t~nondet16;~ep31~0 := main_#t~nondet17;havoc main_#t~nondet17;~ep32~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~r1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~nl1~0 := main_#t~nondet22;havoc main_#t~nondet22;~m1~0 := main_#t~nondet23;havoc main_#t~nondet23;~max1~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode1~0 := main_#t~nondet25;havoc main_#t~nondet25;~newmax1~0 := main_#t~nondet26;havoc main_#t~nondet26;~id2~0 := main_#t~nondet27;havoc main_#t~nondet27;~r2~0 := main_#t~nondet28;havoc main_#t~nondet28;~st2~0 := main_#t~nondet29;havoc main_#t~nondet29;~nl2~0 := main_#t~nondet30;havoc main_#t~nondet30;~m2~0 := main_#t~nondet31;havoc main_#t~nondet31;~max2~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode2~0 := main_#t~nondet33;havoc main_#t~nondet33;~newmax2~0 := main_#t~nondet34;havoc main_#t~nondet34;~id3~0 := main_#t~nondet35;havoc main_#t~nondet35;~r3~0 := main_#t~nondet36;havoc main_#t~nondet36;~st3~0 := main_#t~nondet37;havoc main_#t~nondet37;~nl3~0 := main_#t~nondet38;havoc main_#t~nondet38;~m3~0 := main_#t~nondet39;havoc main_#t~nondet39;~max3~0 := main_#t~nondet40;havoc main_#t~nondet40;~mode3~0 := main_#t~nondet41;havoc main_#t~nondet41;~newmax3~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r211~0, init_~r231~0, init_~r311~0, init_~r321~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r212~0, init_~tmp___1~0, init_~r232~0, init_~tmp___2~0, init_~r312~0, init_~tmp___3~0, init_~r322~0, init_~tmp___4~0, init_~tmp___5~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r212~0;havoc init_~tmp___1~0;havoc init_~r232~0;havoc init_~tmp___2~0;havoc init_~r312~0;havoc init_~tmp___3~0;havoc init_~r322~0;havoc init_~tmp___4~0;havoc init_~tmp___5~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0; 998#L303 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 1001#L306-1 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 1070#L316 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 1066#L319-1 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 999#L329 assume 0 != init_~r211~0 % 256;init_~tmp___1~0 := 1; 991#L332-1 init_~r212~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 996#L342 assume 0 != init_~r231~0 % 256;init_~tmp___2~0 := 1; 1043#L345-1 init_~r232~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 1045#L355 assume 0 != init_~r311~0 % 256;init_~tmp___3~0 := 1; 1033#L358-1 init_~r312~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 1094#L368 assume 0 != init_~r321~0 % 256;init_~tmp___4~0 := 1; 1068#L371-1 init_~r322~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 1027#L381 assume ~id1~0 != ~id2~0; 1028#L382 assume ~id1~0 != ~id3~0; 1083#L383 assume ~id2~0 != ~id3~0; 1017#L384 assume ~id1~0 >= 0; 1018#L385 assume ~id2~0 >= 0; 1064#L386 assume ~id3~0 >= 0; 983#L387 assume 0 == ~r1~0; 984#L388 assume 0 == ~r2~0; 1060#L389 assume 0 == ~r3~0; 1061#L390 assume ~max1~0 == ~id1~0; 1087#L391 assume ~max2~0 == ~id2~0; 1025#L392 assume ~max3~0 == ~id3~0; 1026#L393 assume 0 == ~st1~0; 1082#L394 assume 0 == ~st2~0; 1013#L395 assume 0 == ~st3~0; 1014#L396 assume 0 == ~nl1~0; 1063#L397 assume 0 == ~nl2~0; 976#L398 assume 0 == ~nl3~0; 977#L399 assume 0 == ~mode1~0 % 256; 1058#L400 assume 0 == ~mode2~0 % 256; 1059#L401 assume 0 == ~mode3~0 % 256; 1085#L402 assume 0 != ~newmax1~0 % 256; 1022#L403 assume 0 != ~newmax2~0 % 256; 1023#L404 assume 0 != ~newmax3~0 % 256;init_~tmp___5~0 := 1; 1035#L381-1 init_#res := init_~tmp___5~0; 1036#L478 main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43; 1108#L575 assume !(0 == main_~i2~0); 1104#L575-2 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0 := 0; 1090#L589-2 [2020-10-26 05:56:42,667 INFO L796 eck$LassoCheckResult]: Loop: 1090#L589-2 assume !!(main_~i2~0 < 6);havoc node1_#t~ite7, node1_#t~ite8, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 1099#L126 assume !(0 != ~mode1~0 % 256); 1106#L154 assume ~r1~0 < 2; 1046#L155 assume !(0 != ~ep12~0 % 256); 1044#L155-1 assume !(0 != ~ep13~0 % 256); 1030#L154-1 ~mode1~0 := 1; 1162#L126-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 1161#L177 assume !(0 != ~mode2~0 % 256); 1147#L205 assume !(~r2~0 < 2); 1143#L205-1 ~mode2~0 := 1; 1142#L177-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 1141#L228 assume !(0 != ~mode3~0 % 256); 1134#L256 assume !(~r3~0 < 2); 1127#L256-1 ~mode3~0 := 1; 1125#L228-2 ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 1124#L486 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 1123#L487 assume ~st1~0 + ~nl1~0 <= 1; 1122#L488 assume ~st2~0 + ~nl2~0 <= 1; 1121#L489 assume ~st3~0 + ~nl3~0 <= 1; 1120#L490 assume !(~r1~0 >= 2); 1073#L493 assume 0 == ~st1~0 + ~st2~0 + ~st3~0; 1074#L494 assume ~r1~0 < 2; 1115#L499 assume !(~r1~0 >= 2); 1113#L503 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0; 1114#L504 assume ~r1~0 < 2;check_~tmp~1 := 1; 1009#L486-1 check_#res := check_~tmp~1; 1010#L534 main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1098#L619 assume !(0 == assert_~arg % 256); 1089#L614 main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 1090#L589-2 [2020-10-26 05:56:42,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:56:42,672 INFO L82 PathProgramCache]: Analyzing trace with hash -2116426971, now seen corresponding path program 2 times [2020-10-26 05:56:42,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:56:42,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293947838] [2020-10-26 05:56:42,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:56:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:56:42,763 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:56:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:56:42,824 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:56:42,845 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 05:56:42,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:56:42,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1466264575, now seen corresponding path program 1 times [2020-10-26 05:56:42,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:56:42,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777015216] [2020-10-26 05:56:42,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:56:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:56:42,858 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:56:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:56:42,867 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:56:42,875 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 05:56:42,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:56:42,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1977070429, now seen corresponding path program 1 times [2020-10-26 05:56:42,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:56:42,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602065483] [2020-10-26 05:56:42,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:56:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:56:43,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 05:56:43,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602065483] [2020-10-26 05:56:43,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 05:56:43,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 05:56:43,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473929158] [2020-10-26 05:56:43,385 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2020-10-26 05:56:43,748 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2020-10-26 05:56:43,763 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 05:56:43,764 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 05:56:43,764 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 05:56:43,764 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 05:56:43,764 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 05:56:43,764 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:56:43,764 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 05:56:43,765 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 05:56:43,765 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c_Iteration4_Loop [2020-10-26 05:56:43,765 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 05:56:43,765 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 05:56:43,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:43,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:43,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:43,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:43,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:43,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:43,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:43,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:43,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:43,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:43,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:43,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:43,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:43,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:43,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:43,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:43,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:43,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:43,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:43,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:43,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:43,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:44,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:44,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:44,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:44,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:44,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:44,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:44,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:44,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:44,738 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 05:56:44,741 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:56:44,748 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 05:56:44,749 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:56:44,768 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 05:56:44,769 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~ep12~0=0} Honda state: {~ep12~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:56:44,808 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 05:56:44,808 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:56:44,835 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 05:56:44,835 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 05:56:44,978 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 05:56:44,980 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 05:56:44,980 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 05:56:44,980 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 05:56:44,981 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 05:56:44,981 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 05:56:44,981 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:56:44,981 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 05:56:44,981 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 05:56:44,981 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c_Iteration4_Loop [2020-10-26 05:56:44,981 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 05:56:44,981 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 05:56:44,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:44,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:56:45,876 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 05:56:45,886 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:56:45,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:56:45,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:56:45,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:56:45,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:56:45,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:56:45,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:56:45,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:56:45,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:56:45,911 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:56:45,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:56:45,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:56:45,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:56:45,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:56:45,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:56:45,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:56:45,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:56:45,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:56:45,960 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:56:46,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:56:46,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:56:46,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:56:46,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:56:46,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:56:46,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 05:56:46,017 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:56:46,023 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:56:46,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:56:46,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:56:46,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:56:46,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:56:46,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:56:46,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:56:46,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:56:46,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:56:46,082 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:56:46,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:56:46,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:56:46,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:56:46,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:56:46,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:56:46,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:56:46,131 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:56:46,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:56:46,135 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:56:46,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:56:46,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:56:46,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:56:46,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:56:46,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:56:46,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:56:46,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:56:46,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:56:46,181 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:56:46,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:56:46,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:56:46,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:56:46,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:56:46,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:56:46,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:56:46,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:56:46,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:56:46,231 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:56:46,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:56:46,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:56:46,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:56:46,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:56:46,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:56:46,267 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 05:56:46,267 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 05:56:46,279 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:56:46,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:56:46,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:56:46,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:56:46,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:56:46,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:56:46,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:56:46,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:56:46,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:56:46,308 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:56:46,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:56:46,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:56:46,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:56:46,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:56:46,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:56:46,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:56:46,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:56:46,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:56:46,345 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:56:46,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:56:46,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:56:46,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:56:46,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:56:46,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:56:46,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:56:46,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:56:46,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:56:46,389 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:56:46,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:56:46,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:56:46,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:56:46,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:56:46,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:56:46,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:56:46,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:56:46,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:56:46,424 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:56:46,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:56:46,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:56:46,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:56:46,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:56:46,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:56:46,454 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 05:56:46,454 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 05:56:46,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:56:46,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:56:46,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:56:46,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:56:46,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:56:46,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:56:46,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:56:46,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:56:46,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:56:46,501 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 05:56:46,516 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 05:56:46,517 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:56:46,524 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 05:56:46,524 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 05:56:46,525 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 05:56:46,526 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 11 Supporting invariants [] [2020-10-26 05:56:46,548 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 05:56:46,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:56:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:56:46,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 05:56:46,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 05:56:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:56:46,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 05:56:46,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 05:56:46,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 05:56:46,819 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-26 05:56:46,820 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 189 states and 282 transitions. cyclomatic complexity: 94 Second operand 3 states. [2020-10-26 05:56:46,893 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 189 states and 282 transitions. cyclomatic complexity: 94. Second operand 3 states. Result 323 states and 492 transitions. Complement of second has 4 states. [2020-10-26 05:56:46,894 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 [2020-10-26 05:56:46,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 05:56:46,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 195 transitions. [2020-10-26 05:56:46,897 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 195 transitions. Stem has 42 letters. Loop has 29 letters. [2020-10-26 05:56:46,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 05:56:46,899 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 195 transitions. Stem has 71 letters. Loop has 29 letters. [2020-10-26 05:56:46,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 05:56:46,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 195 transitions. Stem has 42 letters. Loop has 58 letters. [2020-10-26 05:56:46,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 05:56:46,901 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 323 states and 492 transitions. [2020-10-26 05:56:46,906 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 05:56:46,906 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 323 states to 0 states and 0 transitions. [2020-10-26 05:56:46,907 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 05:56:46,907 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 05:56:46,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 05:56:46,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 05:56:46,907 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:56:46,907 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:56:46,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 05:56:46,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 05:56:46,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 05:56:46,909 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-26 05:56:46,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 05:56:46,909 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-26 05:56:46,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-26 05:56:46,909 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-26 05:56:46,909 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 05:56:46,910 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 05:56:46,910 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 05:56:46,910 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 05:56:46,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 05:56:46,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 05:56:46,910 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:56:46,910 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:56:46,910 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:56:46,910 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-26 05:56:46,910 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 05:56:46,911 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 05:56:46,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 05:56:46,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 05:56:46 BoogieIcfgContainer [2020-10-26 05:56:46,919 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 05:56:46,920 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 05:56:46,920 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 05:56:46,920 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 05:56:46,921 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 05:56:40" (3/4) ... [2020-10-26 05:56:46,924 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 05:56:46,924 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 05:56:46,926 INFO L168 Benchmark]: Toolchain (without parser) took 7914.75 ms. Allocated memory was 52.4 MB in the beginning and 111.1 MB in the end (delta: 58.7 MB). Free memory was 28.8 MB in the beginning and 44.1 MB in the end (delta: -15.4 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. [2020-10-26 05:56:46,926 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 41.9 MB. Free memory was 21.6 MB in the beginning and 21.5 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 05:56:46,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.56 ms. Allocated memory is still 52.4 MB. Free memory was 28.1 MB in the beginning and 36.7 MB in the end (delta: -8.5 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2020-10-26 05:56:46,928 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.23 ms. Allocated memory is still 52.4 MB. Free memory was 36.7 MB in the beginning and 33.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 05:56:46,928 INFO L168 Benchmark]: Boogie Preprocessor took 49.26 ms. Allocated memory is still 52.4 MB. Free memory was 33.8 MB in the beginning and 31.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 05:56:46,929 INFO L168 Benchmark]: RCFGBuilder took 1207.85 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 31.5 MB in the beginning and 34.1 MB in the end (delta: -2.6 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2020-10-26 05:56:46,930 INFO L168 Benchmark]: BuchiAutomizer took 5952.16 ms. Allocated memory was 62.9 MB in the beginning and 111.1 MB in the end (delta: 48.2 MB). Free memory was 34.1 MB in the beginning and 44.1 MB in the end (delta: -10.0 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. [2020-10-26 05:56:46,930 INFO L168 Benchmark]: Witness Printer took 4.24 ms. Allocated memory is still 111.1 MB. Free memory is still 44.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 05:56:46,934 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 41.9 MB. Free memory was 21.6 MB in the beginning and 21.5 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 619.56 ms. Allocated memory is still 52.4 MB. Free memory was 28.1 MB in the beginning and 36.7 MB in the end (delta: -8.5 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.23 ms. Allocated memory is still 52.4 MB. Free memory was 36.7 MB in the beginning and 33.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.26 ms. Allocated memory is still 52.4 MB. Free memory was 33.8 MB in the beginning and 31.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1207.85 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 31.5 MB in the beginning and 34.1 MB in the end (delta: -2.6 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5952.16 ms. Allocated memory was 62.9 MB in the beginning and 111.1 MB in the end (delta: 48.2 MB). Free memory was 34.1 MB in the beginning and 44.1 MB in the end (delta: -10.0 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.24 ms. Allocated memory is still 111.1 MB. Free memory is still 44.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 11 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.8s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 4.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 77 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 189 states and ocurred in iteration 3. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 831 SDtfs, 519 SDslu, 1589 SDs, 0 SdLazy, 54 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI2 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital142 mio100 ax125 hnf105 lsp20 ukn100 mio100 lsp100 div123 bol100 ite100 ukn100 eq182 hnf86 smp100 dnf100 smp100 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...