./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.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.4.1.ufo.BOUNDED-8.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 58e4c287c80580fd8e9ff6c8e5e9427e4d9651c3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 08:13:26,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 08:13:26,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 08:13:26,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 08:13:26,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 08:13:26,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 08:13:26,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 08:13:26,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 08:13:26,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 08:13:26,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 08:13:26,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 08:13:26,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 08:13:26,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 08:13:26,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 08:13:26,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 08:13:26,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 08:13:26,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 08:13:26,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 08:13:26,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 08:13:26,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 08:13:26,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 08:13:26,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 08:13:26,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 08:13:26,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 08:13:26,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 08:13:26,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 08:13:26,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 08:13:26,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 08:13:26,243 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 08:13:26,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 08:13:26,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 08:13:26,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 08:13:26,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 08:13:26,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 08:13:26,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 08:13:26,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 08:13:26,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 08:13:26,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 08:13:26,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 08:13:26,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 08:13:26,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 08:13:26,255 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 08:13:26,288 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 08:13:26,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 08:13:26,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 08:13:26,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 08:13:26,290 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 08:13:26,291 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 08:13:26,291 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 08:13:26,291 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 08:13:26,291 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 08:13:26,292 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 08:13:26,292 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 08:13:26,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 08:13:26,292 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 08:13:26,292 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 08:13:26,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 08:13:26,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 08:13:26,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 08:13:26,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 08:13:26,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 08:13:26,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 08:13:26,294 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 08:13:26,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 08:13:26,295 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 08:13:26,295 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 08:13:26,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 08:13:26,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 08:13:26,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 08:13:26,296 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 08:13:26,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 08:13:26,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 08:13:26,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 08:13:26,297 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 08:13:26,298 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 08:13:26,298 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> 58e4c287c80580fd8e9ff6c8e5e9427e4d9651c3 [2020-10-20 08:13:26,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 08:13:26,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 08:13:26,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 08:13:26,524 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 08:13:26,525 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 08:13:26,525 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c [2020-10-20 08:13:26,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24ae65404/559a346feb6640ee9723e203623a027c/FLAG8fba38c17 [2020-10-20 08:13:27,194 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 08:13:27,194 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c [2020-10-20 08:13:27,208 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24ae65404/559a346feb6640ee9723e203623a027c/FLAG8fba38c17 [2020-10-20 08:13:27,429 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24ae65404/559a346feb6640ee9723e203623a027c [2020-10-20 08:13:27,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 08:13:27,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 08:13:27,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 08:13:27,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 08:13:27,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 08:13:27,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 08:13:27" (1/1) ... [2020-10-20 08:13:27,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36514d4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:13:27, skipping insertion in model container [2020-10-20 08:13:27,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 08:13:27" (1/1) ... [2020-10-20 08:13:27,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 08:13:27,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 08:13:27,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 08:13:28,008 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 08:13:28,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 08:13:28,142 INFO L208 MainTranslator]: Completed translation [2020-10-20 08:13:28,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:13:28 WrapperNode [2020-10-20 08:13:28,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 08:13:28,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 08:13:28,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 08:13:28,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 08:13:28,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:13:28" (1/1) ... [2020-10-20 08:13:28,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:13:28" (1/1) ... [2020-10-20 08:13:28,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 08:13:28,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 08:13:28,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 08:13:28,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 08:13:28,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:13:28" (1/1) ... [2020-10-20 08:13:28,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:13:28" (1/1) ... [2020-10-20 08:13:28,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:13:28" (1/1) ... [2020-10-20 08:13:28,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:13:28" (1/1) ... [2020-10-20 08:13:28,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:13:28" (1/1) ... [2020-10-20 08:13:28,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:13:28" (1/1) ... [2020-10-20 08:13:28,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:13:28" (1/1) ... [2020-10-20 08:13:28,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 08:13:28,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 08:13:28,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 08:13:28,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 08:13:28,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:13:28" (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 [2020-10-20 08:13:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 08:13:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 08:13:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 08:13:28,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 08:13:29,930 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 08:13:29,931 INFO L298 CfgBuilder]: Removed 23 assume(true) statements. [2020-10-20 08:13:29,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:13:29 BoogieIcfgContainer [2020-10-20 08:13:29,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 08:13:29,934 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 08:13:29,935 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 08:13:29,938 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 08:13:29,939 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:13:29,940 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 08:13:27" (1/3) ... [2020-10-20 08:13:29,941 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@330d42d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 08:13:29, skipping insertion in model container [2020-10-20 08:13:29,941 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:13:29,941 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:13:28" (2/3) ... [2020-10-20 08:13:29,942 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@330d42d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 08:13:29, skipping insertion in model container [2020-10-20 08:13:29,942 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:13:29,942 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:13:29" (3/3) ... [2020-10-20 08:13:29,944 INFO L373 chiAutomizerObserver]: Analyzing ICFG pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c [2020-10-20 08:13:29,991 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 08:13:29,991 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 08:13:29,991 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 08:13:29,992 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 08:13:29,992 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 08:13:29,992 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 08:13:29,992 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 08:13:29,993 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 08:13:30,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 312 states. [2020-10-20 08:13:30,060 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 124 [2020-10-20 08:13:30,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:13:30,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:13:30,076 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 08:13:30,076 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] [2020-10-20 08:13:30,076 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 08:13:30,076 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 312 states. [2020-10-20 08:13:30,115 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 124 [2020-10-20 08:13:30,115 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:13:30,116 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:13:30,121 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 08:13:30,121 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] [2020-10-20 08:13:30,135 INFO L794 eck$LassoCheckResult]: Stem: 111#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;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 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;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 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;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 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;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;~newmax4~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset]; 14#L-1true havoc main_#res;havoc 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~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~ret63, main_#t~ret64, main_#t~post65, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet19;havoc main_#t~nondet19;~ep13~0 := main_#t~nondet20;havoc main_#t~nondet20;~ep14~0 := main_#t~nondet21;havoc main_#t~nondet21;~ep21~0 := main_#t~nondet22;havoc main_#t~nondet22;~ep23~0 := main_#t~nondet23;havoc main_#t~nondet23;~ep24~0 := main_#t~nondet24;havoc main_#t~nondet24;~ep31~0 := main_#t~nondet25;havoc main_#t~nondet25;~ep32~0 := main_#t~nondet26;havoc main_#t~nondet26;~ep34~0 := main_#t~nondet27;havoc main_#t~nondet27;~ep41~0 := main_#t~nondet28;havoc main_#t~nondet28;~ep42~0 := main_#t~nondet29;havoc main_#t~nondet29;~ep43~0 := main_#t~nondet30;havoc main_#t~nondet30;~id1~0 := main_#t~nondet31;havoc main_#t~nondet31;~r1~0 := main_#t~nondet32;havoc main_#t~nondet32;~st1~0 := main_#t~nondet33;havoc main_#t~nondet33;~nl1~0 := main_#t~nondet34;havoc main_#t~nondet34;~m1~0 := main_#t~nondet35;havoc main_#t~nondet35;~max1~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode1~0 := main_#t~nondet37;havoc main_#t~nondet37;~newmax1~0 := main_#t~nondet38;havoc main_#t~nondet38;~id2~0 := main_#t~nondet39;havoc main_#t~nondet39;~r2~0 := main_#t~nondet40;havoc main_#t~nondet40;~st2~0 := main_#t~nondet41;havoc main_#t~nondet41;~nl2~0 := main_#t~nondet42;havoc main_#t~nondet42;~m2~0 := main_#t~nondet43;havoc main_#t~nondet43;~max2~0 := main_#t~nondet44;havoc main_#t~nondet44;~mode2~0 := main_#t~nondet45;havoc main_#t~nondet45;~newmax2~0 := main_#t~nondet46;havoc main_#t~nondet46;~id3~0 := main_#t~nondet47;havoc main_#t~nondet47;~r3~0 := main_#t~nondet48;havoc main_#t~nondet48;~st3~0 := main_#t~nondet49;havoc main_#t~nondet49;~nl3~0 := main_#t~nondet50;havoc main_#t~nondet50;~m3~0 := main_#t~nondet51;havoc main_#t~nondet51;~max3~0 := main_#t~nondet52;havoc main_#t~nondet52;~mode3~0 := main_#t~nondet53;havoc main_#t~nondet53;~newmax3~0 := main_#t~nondet54;havoc main_#t~nondet54;~id4~0 := main_#t~nondet55;havoc main_#t~nondet55;~r4~0 := main_#t~nondet56;havoc main_#t~nondet56;~st4~0 := main_#t~nondet57;havoc main_#t~nondet57;~nl4~0 := main_#t~nondet58;havoc main_#t~nondet58;~m4~0 := main_#t~nondet59;havoc main_#t~nondet59;~max4~0 := main_#t~nondet60;havoc main_#t~nondet60;~mode4~0 := main_#t~nondet61;havoc main_#t~nondet61;~newmax4~0 := main_#t~nondet62;havoc main_#t~nondet62;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r141~0, init_~r211~0, init_~r231~0, init_~r241~0, init_~r311~0, init_~r321~0, init_~r341~0, init_~r411~0, init_~r421~0, init_~r431~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r142~0, init_~tmp___1~0, init_~r212~0, init_~tmp___2~0, init_~r232~0, init_~tmp___3~0, init_~r242~0, init_~tmp___4~0, init_~r312~0, init_~tmp___5~0, init_~r322~0, init_~tmp___6~0, init_~r342~0, init_~tmp___7~0, init_~r412~0, init_~tmp___8~0, init_~r422~0, init_~tmp___9~0, init_~r432~0, init_~tmp___10~0, init_~r123~0, init_~tmp___11~0, init_~r133~0, init_~tmp___12~0, init_~r143~0, init_~tmp___13~0, init_~r213~0, init_~tmp___14~0, init_~r233~0, init_~tmp___15~0, init_~r243~0, init_~tmp___16~0, init_~r313~0, init_~tmp___17~0, init_~r323~0, init_~tmp___18~0, init_~r343~0, init_~tmp___19~0, init_~r413~0, init_~tmp___20~0, init_~r423~0, init_~tmp___21~0, init_~r433~0, init_~tmp___22~0, init_~tmp___23~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r141~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r241~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r341~0;havoc init_~r411~0;havoc init_~r421~0;havoc init_~r431~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r142~0;havoc init_~tmp___1~0;havoc init_~r212~0;havoc init_~tmp___2~0;havoc init_~r232~0;havoc init_~tmp___3~0;havoc init_~r242~0;havoc init_~tmp___4~0;havoc init_~r312~0;havoc init_~tmp___5~0;havoc init_~r322~0;havoc init_~tmp___6~0;havoc init_~r342~0;havoc init_~tmp___7~0;havoc init_~r412~0;havoc init_~tmp___8~0;havoc init_~r422~0;havoc init_~tmp___9~0;havoc init_~r432~0;havoc init_~tmp___10~0;havoc init_~r123~0;havoc init_~tmp___11~0;havoc init_~r133~0;havoc init_~tmp___12~0;havoc init_~r143~0;havoc init_~tmp___13~0;havoc init_~r213~0;havoc init_~tmp___14~0;havoc init_~r233~0;havoc init_~tmp___15~0;havoc init_~r243~0;havoc init_~tmp___16~0;havoc init_~r313~0;havoc init_~tmp___17~0;havoc init_~r323~0;havoc init_~tmp___18~0;havoc init_~r343~0;havoc init_~tmp___19~0;havoc init_~r413~0;havoc init_~tmp___20~0;havoc init_~r423~0;havoc init_~tmp___21~0;havoc init_~r433~0;havoc init_~tmp___22~0;havoc init_~tmp___23~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r141~0 := ~ep14~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r241~0 := ~ep24~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0;init_~r341~0 := ~ep34~0;init_~r411~0 := ~ep41~0;init_~r421~0 := ~ep42~0;init_~r431~0 := ~ep43~0; 143#L489true assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 141#L500true init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 46#L510true assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 45#L521true init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 268#L531true assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 267#L542true init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 167#L552true assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 166#L563true init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 233#L573true assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 232#L584true init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 132#L594true assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 131#L605true init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 35#L615true assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 34#L626true init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 251#L636true assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 250#L647true init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 311#L657true assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 310#L668true init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 215#L678true assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 214#L689true init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 116#L699true assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 115#L710true init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 21#L720true assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 20#L731true init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 74#L741true assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 72#L752true init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 293#L762true assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 292#L773true init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 198#L783true assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 197#L794true init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 77#L804true assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 97#L815true init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 137#L825true assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 136#L836true init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 41#L846true assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 40#L857true init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 259#L867true assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 257#L878true init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 161#L888true assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 160#L899true init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 223#L909true assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 222#L920true init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 121#L930true assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 120#L941true init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 29#L951true assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 28#L962true init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 244#L972true assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 243#L983true init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 302#L993true assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 306#L993-1true init_#res := init_~tmp___23~0; 180#L1130true main_#t~ret63 := init_#res;main_~i2~0 := main_#t~ret63;havoc main_#t~ret63;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 314#L68true assume !(0 == assume_abort_if_not_~cond); 218#L67true ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0 := 0; 139#L1271-2true [2020-10-20 08:13:30,136 INFO L796 eck$LassoCheckResult]: Loop: 139#L1271-2true assume !!(main_~i2~0 < 8);havoc node1_#t~ite7, node1_#t~ite8, node1_#t~ite9, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 185#L161true assume !(0 != ~mode1~0 % 256); 3#L197true assume !(~r1~0 < 3); 23#L197-1true ~mode1~0 := 1; 181#L161-2true havoc node2_#t~ite10, node2_#t~ite11, node2_#t~ite12, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 148#L225true assume !(0 != ~mode2~0 % 256); 277#L261true assume !(~r2~0 < 3); 295#L261-1true ~mode2~0 := 1; 142#L225-2true havoc node3_#t~ite13, node3_#t~ite14, node3_#t~ite15, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 272#L289true assume !(0 != ~mode3~0 % 256); 96#L325true assume !(~r3~0 < 3); 78#L325-1true ~mode3~0 := 1; 266#L289-2true havoc node4_#t~ite16, node4_#t~ite17, node4_#t~ite18, node4_~newmax~3;havoc node4_~newmax~3;node4_~newmax~3 := 0; 226#L353true assume !(0 != ~mode4~0 % 256); 56#L389true assume !(~r4~0 < 3); 39#L389-1true ~mode4~0 := 1; 229#L353-2true ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_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;~p24_old~0 := ~p24_new~0;~p24_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;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 36#L1138true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1 := 0; 38#L1138-1true check_#res := check_~tmp~1; 217#L1190true main_#t~ret64 := check_#res;main_~c1~0 := main_#t~ret64;havoc main_#t~ret64;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 43#L1314true assume !(0 == assert_~arg % 256); 17#L1309true main_#t~post65 := main_~i2~0;main_~i2~0 := 1 + main_#t~post65;havoc main_#t~post65; 139#L1271-2true [2020-10-20 08:13:30,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:13:30,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1995424982, now seen corresponding path program 1 times [2020-10-20 08:13:30,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:13:30,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340810294] [2020-10-20 08:13:30,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:13:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:13:30,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:13:30,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340810294] [2020-10-20 08:13:30,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 08:13:30,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 08:13:30,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014945569] [2020-10-20 08:13:30,556 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 08:13:30,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:13:30,557 INFO L82 PathProgramCache]: Analyzing trace with hash 967034805, now seen corresponding path program 1 times [2020-10-20 08:13:30,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:13:30,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995603372] [2020-10-20 08:13:30,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:13:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:13:30,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:13:30,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995603372] [2020-10-20 08:13:30,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 08:13:30,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 08:13:30,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163954680] [2020-10-20 08:13:30,678 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-20 08:13:30,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 08:13:30,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 08:13:30,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 08:13:30,697 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 5 states. [2020-10-20 08:13:30,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 08:13:30,854 INFO L93 Difference]: Finished difference Result 315 states and 557 transitions. [2020-10-20 08:13:30,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 08:13:30,857 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 315 states and 557 transitions. [2020-10-20 08:13:30,864 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 122 [2020-10-20 08:13:30,872 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 315 states to 306 states and 540 transitions. [2020-10-20 08:13:30,874 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 306 [2020-10-20 08:13:30,875 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 306 [2020-10-20 08:13:30,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 306 states and 540 transitions. [2020-10-20 08:13:30,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:13:30,879 INFO L691 BuchiCegarLoop]: Abstraction has 306 states and 540 transitions. [2020-10-20 08:13:30,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states and 540 transitions. [2020-10-20 08:13:30,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2020-10-20 08:13:30,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-10-20 08:13:30,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 540 transitions. [2020-10-20 08:13:30,934 INFO L714 BuchiCegarLoop]: Abstraction has 306 states and 540 transitions. [2020-10-20 08:13:30,934 INFO L594 BuchiCegarLoop]: Abstraction has 306 states and 540 transitions. [2020-10-20 08:13:30,935 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 08:13:30,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 306 states and 540 transitions. [2020-10-20 08:13:30,938 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 122 [2020-10-20 08:13:30,938 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:13:30,938 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:13:30,946 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 08:13:30,946 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, 1] [2020-10-20 08:13:30,947 INFO L794 eck$LassoCheckResult]: Stem: 842#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;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 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;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 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;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 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;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;~newmax4~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset]; 671#L-1 havoc main_#res;havoc 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~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~ret63, main_#t~ret64, main_#t~post65, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet19;havoc main_#t~nondet19;~ep13~0 := main_#t~nondet20;havoc main_#t~nondet20;~ep14~0 := main_#t~nondet21;havoc main_#t~nondet21;~ep21~0 := main_#t~nondet22;havoc main_#t~nondet22;~ep23~0 := main_#t~nondet23;havoc main_#t~nondet23;~ep24~0 := main_#t~nondet24;havoc main_#t~nondet24;~ep31~0 := main_#t~nondet25;havoc main_#t~nondet25;~ep32~0 := main_#t~nondet26;havoc main_#t~nondet26;~ep34~0 := main_#t~nondet27;havoc main_#t~nondet27;~ep41~0 := main_#t~nondet28;havoc main_#t~nondet28;~ep42~0 := main_#t~nondet29;havoc main_#t~nondet29;~ep43~0 := main_#t~nondet30;havoc main_#t~nondet30;~id1~0 := main_#t~nondet31;havoc main_#t~nondet31;~r1~0 := main_#t~nondet32;havoc main_#t~nondet32;~st1~0 := main_#t~nondet33;havoc main_#t~nondet33;~nl1~0 := main_#t~nondet34;havoc main_#t~nondet34;~m1~0 := main_#t~nondet35;havoc main_#t~nondet35;~max1~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode1~0 := main_#t~nondet37;havoc main_#t~nondet37;~newmax1~0 := main_#t~nondet38;havoc main_#t~nondet38;~id2~0 := main_#t~nondet39;havoc main_#t~nondet39;~r2~0 := main_#t~nondet40;havoc main_#t~nondet40;~st2~0 := main_#t~nondet41;havoc main_#t~nondet41;~nl2~0 := main_#t~nondet42;havoc main_#t~nondet42;~m2~0 := main_#t~nondet43;havoc main_#t~nondet43;~max2~0 := main_#t~nondet44;havoc main_#t~nondet44;~mode2~0 := main_#t~nondet45;havoc main_#t~nondet45;~newmax2~0 := main_#t~nondet46;havoc main_#t~nondet46;~id3~0 := main_#t~nondet47;havoc main_#t~nondet47;~r3~0 := main_#t~nondet48;havoc main_#t~nondet48;~st3~0 := main_#t~nondet49;havoc main_#t~nondet49;~nl3~0 := main_#t~nondet50;havoc main_#t~nondet50;~m3~0 := main_#t~nondet51;havoc main_#t~nondet51;~max3~0 := main_#t~nondet52;havoc main_#t~nondet52;~mode3~0 := main_#t~nondet53;havoc main_#t~nondet53;~newmax3~0 := main_#t~nondet54;havoc main_#t~nondet54;~id4~0 := main_#t~nondet55;havoc main_#t~nondet55;~r4~0 := main_#t~nondet56;havoc main_#t~nondet56;~st4~0 := main_#t~nondet57;havoc main_#t~nondet57;~nl4~0 := main_#t~nondet58;havoc main_#t~nondet58;~m4~0 := main_#t~nondet59;havoc main_#t~nondet59;~max4~0 := main_#t~nondet60;havoc main_#t~nondet60;~mode4~0 := main_#t~nondet61;havoc main_#t~nondet61;~newmax4~0 := main_#t~nondet62;havoc main_#t~nondet62;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r141~0, init_~r211~0, init_~r231~0, init_~r241~0, init_~r311~0, init_~r321~0, init_~r341~0, init_~r411~0, init_~r421~0, init_~r431~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r142~0, init_~tmp___1~0, init_~r212~0, init_~tmp___2~0, init_~r232~0, init_~tmp___3~0, init_~r242~0, init_~tmp___4~0, init_~r312~0, init_~tmp___5~0, init_~r322~0, init_~tmp___6~0, init_~r342~0, init_~tmp___7~0, init_~r412~0, init_~tmp___8~0, init_~r422~0, init_~tmp___9~0, init_~r432~0, init_~tmp___10~0, init_~r123~0, init_~tmp___11~0, init_~r133~0, init_~tmp___12~0, init_~r143~0, init_~tmp___13~0, init_~r213~0, init_~tmp___14~0, init_~r233~0, init_~tmp___15~0, init_~r243~0, init_~tmp___16~0, init_~r313~0, init_~tmp___17~0, init_~r323~0, init_~tmp___18~0, init_~r343~0, init_~tmp___19~0, init_~r413~0, init_~tmp___20~0, init_~r423~0, init_~tmp___21~0, init_~r433~0, init_~tmp___22~0, init_~tmp___23~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r141~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r241~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r341~0;havoc init_~r411~0;havoc init_~r421~0;havoc init_~r431~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r142~0;havoc init_~tmp___1~0;havoc init_~r212~0;havoc init_~tmp___2~0;havoc init_~r232~0;havoc init_~tmp___3~0;havoc init_~r242~0;havoc init_~tmp___4~0;havoc init_~r312~0;havoc init_~tmp___5~0;havoc init_~r322~0;havoc init_~tmp___6~0;havoc init_~r342~0;havoc init_~tmp___7~0;havoc init_~r412~0;havoc init_~tmp___8~0;havoc init_~r422~0;havoc init_~tmp___9~0;havoc init_~r432~0;havoc init_~tmp___10~0;havoc init_~r123~0;havoc init_~tmp___11~0;havoc init_~r133~0;havoc init_~tmp___12~0;havoc init_~r143~0;havoc init_~tmp___13~0;havoc init_~r213~0;havoc init_~tmp___14~0;havoc init_~r233~0;havoc init_~tmp___15~0;havoc init_~r243~0;havoc init_~tmp___16~0;havoc init_~r313~0;havoc init_~tmp___17~0;havoc init_~r323~0;havoc init_~tmp___18~0;havoc init_~r343~0;havoc init_~tmp___19~0;havoc init_~r413~0;havoc init_~tmp___20~0;havoc init_~r423~0;havoc init_~tmp___21~0;havoc init_~r433~0;havoc init_~tmp___22~0;havoc init_~tmp___23~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r141~0 := ~ep14~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r241~0 := ~ep24~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0;init_~r341~0 := ~ep34~0;init_~r411~0 := ~ep41~0;init_~r421~0 := ~ep42~0;init_~r431~0 := ~ep43~0; 672#L489 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 745#L500 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 740#L510 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 670#L521 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 737#L531 assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 770#L542 init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 893#L552 assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 833#L563 init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 892#L573 assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 661#L584 init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 865#L594 assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 725#L605 init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 720#L615 assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 716#L626 init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 717#L636 assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 715#L647 init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 946#L657 assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 795#L668 init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 931#L678 assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 849#L689 init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 846#L699 assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 691#L710 init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 687#L720 assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 685#L731 init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 686#L741 assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 684#L752 init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 783#L762 assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 782#L773 init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 918#L783 assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 792#L794 init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 791#L804 assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 679#L815 init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 825#L825 assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 734#L836 init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 730#L846 assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 728#L857 init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 729#L867 assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 761#L878 init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 887#L888 assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 816#L899 init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 886#L909 assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 854#L920 init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 852#L930 assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 706#L941 init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 703#L951 assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 701#L962 init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 702#L972 assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 700#L983 init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 944#L993 assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 667#L993-1 init_#res := init_~tmp___23~0; 908#L1130 main_#t~ret63 := init_#res;main_~i2~0 := main_#t~ret63;havoc main_#t~ret63;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 909#L68 assume !(0 == assume_abort_if_not_~cond); 933#L67 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0 := 0; 676#L1271-2 [2020-10-20 08:13:30,947 INFO L796 eck$LassoCheckResult]: Loop: 676#L1271-2 assume !!(main_~i2~0 < 8);havoc node1_#t~ite7, node1_#t~ite8, node1_#t~ite9, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 872#L161 assume !(0 != ~mode1~0 % 256); 645#L197 assume !(~r1~0 < 3); 646#L197-1 ~mode1~0 := 1; 692#L161-2 havoc node2_#t~ite10, node2_#t~ite11, node2_#t~ite12, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 876#L225 assume !(0 != ~mode2~0 % 256); 877#L261 assume !(~r2~0 < 3); 649#L261-1 ~mode2~0 := 1; 651#L225-2 havoc node3_#t~ite13, node3_#t~ite14, node3_#t~ite15, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 873#L289 assume !(0 != ~mode3~0 % 256); 823#L325 assume !(~r3~0 < 3); 789#L325-1 ~mode3~0 := 1; 790#L289-2 havoc node4_#t~ite16, node4_#t~ite17, node4_#t~ite18, node4_~newmax~3;havoc node4_~newmax~3;node4_~newmax~3 := 0; 936#L353 assume !(0 != ~mode4~0 % 256); 758#L389 assume !(~r4~0 < 3); 709#L389-1 ~mode4~0 := 1; 727#L353-2 ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_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;~p24_old~0 := ~p24_new~0;~p24_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;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 718#L1138 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 719#L1139 assume ~st1~0 + ~nl1~0 <= 1; 863#L1140 assume ~st2~0 + ~nl2~0 <= 1; 904#L1141 assume ~st3~0 + ~nl3~0 <= 1; 905#L1142 assume ~st4~0 + ~nl4~0 <= 1; 764#L1143 assume ~r1~0 >= 3; 765#L1147 assume ~r1~0 < 3; 798#L1152 assume ~r1~0 >= 3; 827#L1157 assume ~r1~0 < 3;check_~tmp~1 := 1; 722#L1138-1 check_#res := check_~tmp~1; 723#L1190 main_#t~ret64 := check_#res;main_~c1~0 := main_#t~ret64;havoc main_#t~ret64;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 735#L1314 assume !(0 == assert_~arg % 256); 675#L1309 main_#t~post65 := main_~i2~0;main_~i2~0 := 1 + main_#t~post65;havoc main_#t~post65; 676#L1271-2 [2020-10-20 08:13:30,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:13:30,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1995424982, now seen corresponding path program 2 times [2020-10-20 08:13:30,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:13:30,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104651837] [2020-10-20 08:13:30,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:13:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:13:31,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:13:31,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104651837] [2020-10-20 08:13:31,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 08:13:31,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 08:13:31,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881188970] [2020-10-20 08:13:31,102 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 08:13:31,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:13:31,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1889919100, now seen corresponding path program 1 times [2020-10-20 08:13:31,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:13:31,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707120386] [2020-10-20 08:13:31,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:13:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:13:31,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:13:31,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707120386] [2020-10-20 08:13:31,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 08:13:31,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 08:13:31,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768084239] [2020-10-20 08:13:31,132 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-20 08:13:31,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 08:13:31,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 08:13:31,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 08:13:31,133 INFO L87 Difference]: Start difference. First operand 306 states and 540 transitions. cyclomatic complexity: 235 Second operand 3 states. [2020-10-20 08:13:31,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 08:13:31,192 INFO L93 Difference]: Finished difference Result 403 states and 695 transitions. [2020-10-20 08:13:31,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 08:13:31,193 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 403 states and 695 transitions. [2020-10-20 08:13:31,197 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 219 [2020-10-20 08:13:31,201 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 403 states to 403 states and 695 transitions. [2020-10-20 08:13:31,202 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 403 [2020-10-20 08:13:31,203 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 403 [2020-10-20 08:13:31,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 403 states and 695 transitions. [2020-10-20 08:13:31,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:13:31,206 INFO L691 BuchiCegarLoop]: Abstraction has 403 states and 695 transitions. [2020-10-20 08:13:31,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states and 695 transitions. [2020-10-20 08:13:31,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2020-10-20 08:13:31,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-10-20 08:13:31,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 695 transitions. [2020-10-20 08:13:31,258 INFO L714 BuchiCegarLoop]: Abstraction has 403 states and 695 transitions. [2020-10-20 08:13:31,258 INFO L594 BuchiCegarLoop]: Abstraction has 403 states and 695 transitions. [2020-10-20 08:13:31,258 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 08:13:31,258 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 403 states and 695 transitions. [2020-10-20 08:13:31,262 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 219 [2020-10-20 08:13:31,262 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:13:31,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:13:31,264 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 08:13:31,264 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, 1, 1, 1, 1, 1, 1] [2020-10-20 08:13:31,265 INFO L794 eck$LassoCheckResult]: Stem: 1561#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;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 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;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 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;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 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;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;~newmax4~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset]; 1388#L-1 havoc main_#res;havoc 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~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~ret63, main_#t~ret64, main_#t~post65, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet19;havoc main_#t~nondet19;~ep13~0 := main_#t~nondet20;havoc main_#t~nondet20;~ep14~0 := main_#t~nondet21;havoc main_#t~nondet21;~ep21~0 := main_#t~nondet22;havoc main_#t~nondet22;~ep23~0 := main_#t~nondet23;havoc main_#t~nondet23;~ep24~0 := main_#t~nondet24;havoc main_#t~nondet24;~ep31~0 := main_#t~nondet25;havoc main_#t~nondet25;~ep32~0 := main_#t~nondet26;havoc main_#t~nondet26;~ep34~0 := main_#t~nondet27;havoc main_#t~nondet27;~ep41~0 := main_#t~nondet28;havoc main_#t~nondet28;~ep42~0 := main_#t~nondet29;havoc main_#t~nondet29;~ep43~0 := main_#t~nondet30;havoc main_#t~nondet30;~id1~0 := main_#t~nondet31;havoc main_#t~nondet31;~r1~0 := main_#t~nondet32;havoc main_#t~nondet32;~st1~0 := main_#t~nondet33;havoc main_#t~nondet33;~nl1~0 := main_#t~nondet34;havoc main_#t~nondet34;~m1~0 := main_#t~nondet35;havoc main_#t~nondet35;~max1~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode1~0 := main_#t~nondet37;havoc main_#t~nondet37;~newmax1~0 := main_#t~nondet38;havoc main_#t~nondet38;~id2~0 := main_#t~nondet39;havoc main_#t~nondet39;~r2~0 := main_#t~nondet40;havoc main_#t~nondet40;~st2~0 := main_#t~nondet41;havoc main_#t~nondet41;~nl2~0 := main_#t~nondet42;havoc main_#t~nondet42;~m2~0 := main_#t~nondet43;havoc main_#t~nondet43;~max2~0 := main_#t~nondet44;havoc main_#t~nondet44;~mode2~0 := main_#t~nondet45;havoc main_#t~nondet45;~newmax2~0 := main_#t~nondet46;havoc main_#t~nondet46;~id3~0 := main_#t~nondet47;havoc main_#t~nondet47;~r3~0 := main_#t~nondet48;havoc main_#t~nondet48;~st3~0 := main_#t~nondet49;havoc main_#t~nondet49;~nl3~0 := main_#t~nondet50;havoc main_#t~nondet50;~m3~0 := main_#t~nondet51;havoc main_#t~nondet51;~max3~0 := main_#t~nondet52;havoc main_#t~nondet52;~mode3~0 := main_#t~nondet53;havoc main_#t~nondet53;~newmax3~0 := main_#t~nondet54;havoc main_#t~nondet54;~id4~0 := main_#t~nondet55;havoc main_#t~nondet55;~r4~0 := main_#t~nondet56;havoc main_#t~nondet56;~st4~0 := main_#t~nondet57;havoc main_#t~nondet57;~nl4~0 := main_#t~nondet58;havoc main_#t~nondet58;~m4~0 := main_#t~nondet59;havoc main_#t~nondet59;~max4~0 := main_#t~nondet60;havoc main_#t~nondet60;~mode4~0 := main_#t~nondet61;havoc main_#t~nondet61;~newmax4~0 := main_#t~nondet62;havoc main_#t~nondet62;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r141~0, init_~r211~0, init_~r231~0, init_~r241~0, init_~r311~0, init_~r321~0, init_~r341~0, init_~r411~0, init_~r421~0, init_~r431~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r142~0, init_~tmp___1~0, init_~r212~0, init_~tmp___2~0, init_~r232~0, init_~tmp___3~0, init_~r242~0, init_~tmp___4~0, init_~r312~0, init_~tmp___5~0, init_~r322~0, init_~tmp___6~0, init_~r342~0, init_~tmp___7~0, init_~r412~0, init_~tmp___8~0, init_~r422~0, init_~tmp___9~0, init_~r432~0, init_~tmp___10~0, init_~r123~0, init_~tmp___11~0, init_~r133~0, init_~tmp___12~0, init_~r143~0, init_~tmp___13~0, init_~r213~0, init_~tmp___14~0, init_~r233~0, init_~tmp___15~0, init_~r243~0, init_~tmp___16~0, init_~r313~0, init_~tmp___17~0, init_~r323~0, init_~tmp___18~0, init_~r343~0, init_~tmp___19~0, init_~r413~0, init_~tmp___20~0, init_~r423~0, init_~tmp___21~0, init_~r433~0, init_~tmp___22~0, init_~tmp___23~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r141~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r241~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r341~0;havoc init_~r411~0;havoc init_~r421~0;havoc init_~r431~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r142~0;havoc init_~tmp___1~0;havoc init_~r212~0;havoc init_~tmp___2~0;havoc init_~r232~0;havoc init_~tmp___3~0;havoc init_~r242~0;havoc init_~tmp___4~0;havoc init_~r312~0;havoc init_~tmp___5~0;havoc init_~r322~0;havoc init_~tmp___6~0;havoc init_~r342~0;havoc init_~tmp___7~0;havoc init_~r412~0;havoc init_~tmp___8~0;havoc init_~r422~0;havoc init_~tmp___9~0;havoc init_~r432~0;havoc init_~tmp___10~0;havoc init_~r123~0;havoc init_~tmp___11~0;havoc init_~r133~0;havoc init_~tmp___12~0;havoc init_~r143~0;havoc init_~tmp___13~0;havoc init_~r213~0;havoc init_~tmp___14~0;havoc init_~r233~0;havoc init_~tmp___15~0;havoc init_~r243~0;havoc init_~tmp___16~0;havoc init_~r313~0;havoc init_~tmp___17~0;havoc init_~r323~0;havoc init_~tmp___18~0;havoc init_~r343~0;havoc init_~tmp___19~0;havoc init_~r413~0;havoc init_~tmp___20~0;havoc init_~r423~0;havoc init_~tmp___21~0;havoc init_~r433~0;havoc init_~tmp___22~0;havoc init_~tmp___23~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r141~0 := ~ep14~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r241~0 := ~ep24~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0;init_~r341~0 := ~ep34~0;init_~r411~0 := ~ep41~0;init_~r421~0 := ~ep42~0;init_~r431~0 := ~ep43~0; 1389#L489 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 1463#L500 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 1458#L510 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 1387#L521 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 1455#L531 assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 1487#L542 init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 1613#L552 assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 1552#L563 init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 1612#L573 assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 1378#L584 init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 1584#L594 assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 1443#L605 init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 1438#L615 assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 1434#L626 init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 1435#L636 assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 1433#L647 init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 1673#L657 assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 1512#L668 init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 1653#L678 assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 1568#L689 init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 1565#L699 assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 1408#L710 init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 1404#L720 assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 1402#L731 init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 1403#L741 assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 1401#L752 init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 1500#L762 assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 1498#L773 init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 1640#L783 assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 1509#L794 init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 1506#L804 assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 1394#L815 init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 1543#L825 assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 1452#L836 init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 1448#L846 assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 1446#L857 init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 1447#L867 assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 1479#L878 init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 1606#L888 assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 1530#L899 init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 1605#L909 assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 1573#L920 init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 1571#L930 assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 1424#L941 init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 1421#L951 assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 1419#L962 init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 1420#L972 assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 1418#L983 init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 1671#L993 assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 1384#L993-1 init_#res := init_~tmp___23~0; 1629#L1130 main_#t~ret63 := init_#res;main_~i2~0 := main_#t~ret63;havoc main_#t~ret63;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 1630#L68 assume !(0 == assume_abort_if_not_~cond); 1655#L67 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0 := 0; 1656#L1271-2 [2020-10-20 08:13:31,265 INFO L796 eck$LassoCheckResult]: Loop: 1656#L1271-2 assume !!(main_~i2~0 < 8);havoc node1_#t~ite7, node1_#t~ite8, node1_#t~ite9, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 1684#L161 assume !(0 != ~mode1~0 % 256); 1683#L197 assume ~r1~0 < 3; 1547#L198 assume !(0 != ~ep12~0 % 256); 1546#L198-1 assume !(0 != ~ep13~0 % 256); 1525#L203 assume !(0 != ~ep14~0 % 256); 1409#L197-1 ~mode1~0 := 1; 1410#L161-2 havoc node2_#t~ite10, node2_#t~ite11, node2_#t~ite12, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 1595#L225 assume !(0 != ~mode2~0 % 256); 1596#L261 assume !(~r2~0 < 3); 1366#L261-1 ~mode2~0 := 1; 1368#L225-2 havoc node3_#t~ite13, node3_#t~ite14, node3_#t~ite15, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 1592#L289 assume !(0 != ~mode3~0 % 256); 1541#L325 assume !(~r3~0 < 3); 1507#L325-1 ~mode3~0 := 1; 1508#L289-2 havoc node4_#t~ite16, node4_#t~ite17, node4_#t~ite18, node4_~newmax~3;havoc node4_~newmax~3;node4_~newmax~3 := 0; 1676#L353 assume !(0 != ~mode4~0 % 256); 1476#L389 assume !(~r4~0 < 3); 1427#L389-1 ~mode4~0 := 1; 1445#L353-2 ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_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;~p24_old~0 := ~p24_new~0;~p24_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;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 1436#L1138 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1437#L1139 assume ~st1~0 + ~nl1~0 <= 1; 1582#L1140 assume ~st2~0 + ~nl2~0 <= 1; 1624#L1141 assume ~st3~0 + ~nl3~0 <= 1; 1625#L1142 assume ~st4~0 + ~nl4~0 <= 1; 1677#L1143 assume !(~r1~0 >= 3); 1657#L1146 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1658#L1147 assume ~r1~0 < 3; 1682#L1152 assume !(~r1~0 >= 3); 1544#L1156 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1545#L1157 assume ~r1~0 < 3;check_~tmp~1 := 1; 1688#L1138-1 check_#res := check_~tmp~1; 1687#L1190 main_#t~ret64 := check_#res;main_~c1~0 := main_#t~ret64;havoc main_#t~ret64;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1686#L1314 assume !(0 == assert_~arg % 256); 1685#L1309 main_#t~post65 := main_~i2~0;main_~i2~0 := 1 + main_#t~post65;havoc main_#t~post65; 1656#L1271-2 [2020-10-20 08:13:31,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:13:31,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1995424982, now seen corresponding path program 3 times [2020-10-20 08:13:31,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:13:31,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307622695] [2020-10-20 08:13:31,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:13:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:13:31,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:13:31,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307622695] [2020-10-20 08:13:31,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 08:13:31,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 08:13:31,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537627462] [2020-10-20 08:13:31,347 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 08:13:31,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:13:31,348 INFO L82 PathProgramCache]: Analyzing trace with hash 2081002421, now seen corresponding path program 1 times [2020-10-20 08:13:31,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:13:31,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938247955] [2020-10-20 08:13:31,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:13:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:13:31,359 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:13:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:13:31,368 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:13:31,398 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:13:32,246 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 153 [2020-10-20 08:13:32,717 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 151 [2020-10-20 08:13:32,733 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 08:13:32,734 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 08:13:32,734 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 08:13:32,735 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 08:13:32,735 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 08:13:32,735 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:13:32,735 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 08:13:32,735 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 08:13:32,736 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2020-10-20 08:13:32,736 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 08:13:32,736 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 08:13:32,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:32,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:33,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:33,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:33,392 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-20 08:13:33,794 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-20 08:13:33,864 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 08:13:33,866 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:13:33,875 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 08:13:33,875 INFO L160 nArgumentSynthesizer]: Using integer mode. 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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:13:33,909 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 08:13:33,909 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 08:13:34,054 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 08:13:34,056 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 08:13:34,057 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 08:13:34,057 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 08:13:34,057 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 08:13:34,057 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 08:13:34,057 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:13:34,057 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 08:13:34,057 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 08:13:34,058 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2020-10-20 08:13:34,058 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 08:13:34,058 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 08:13:34,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:13:34,595 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-20 08:13:35,024 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-20 08:13:35,181 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 08:13:35,187 INFO L489 LassoAnalysis]: Using template 'affine'. 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 [2020-10-20 08:13:35,198 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 [2020-10-20 08:13:35,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:13:35,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:13:35,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:13:35,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:13:35,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:13:35,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:13:35,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:13:35,213 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 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:13:35,239 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 [2020-10-20 08:13:35,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:13:35,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:13:35,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:13:35,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:13:35,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:13:35,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:13:35,254 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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:13:35,278 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 [2020-10-20 08:13:35,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:13:35,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:13:35,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:13:35,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:13:35,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:13:35,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:13:35,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:13:35,284 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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:13:35,313 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 [2020-10-20 08:13:35,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:13:35,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:13:35,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:13:35,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:13:35,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:13:35,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:13:35,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:13:35,317 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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:13:35,345 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 [2020-10-20 08:13:35,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:13:35,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:13:35,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:13:35,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:13:35,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:13:35,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:13:35,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:13:35,350 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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:13:35,381 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 [2020-10-20 08:13:35,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:13:35,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:13:35,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:13:35,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:13:35,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:13:35,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:13:35,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:13:35,396 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) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:13:35,430 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 [2020-10-20 08:13:35,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:13:35,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:13:35,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:13:35,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:13:35,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:13:35,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:13:35,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:13:35,434 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 [2020-10-20 08:13:35,462 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 [2020-10-20 08:13:35,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:13:35,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:13:35,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:13:35,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:13:35,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:13:35,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:13:35,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:13:35,465 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 [2020-10-20 08:13:35,491 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 [2020-10-20 08:13:35,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:13:35,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:13:35,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:13:35,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:13:35,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:13:35,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:13:35,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:13:35,497 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 [2020-10-20 08:13:35,522 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 [2020-10-20 08:13:35,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:13:35,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:13:35,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:13:35,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:13:35,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:13:35,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:13:35,528 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 [2020-10-20 08:13:35,552 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 [2020-10-20 08:13:35,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:13:35,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:13:35,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:13:35,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:13:35,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:13:35,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:13:35,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:13:35,560 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 [2020-10-20 08:13:35,585 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 [2020-10-20 08:13:35,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:13:35,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:13:35,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:13:35,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:13:35,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:13:35,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:13:35,594 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 [2020-10-20 08:13:35,618 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 [2020-10-20 08:13:35,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:13:35,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:13:35,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:13:35,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:13:35,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:13:35,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:13:35,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:13:35,622 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) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:13:35,646 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 [2020-10-20 08:13:35,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:13:35,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:13:35,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:13:35,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:13:35,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:13:35,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:13:35,657 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 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:13:35,695 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 [2020-10-20 08:13:35,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:13:35,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:13:35,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:13:35,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:13:35,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:13:35,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:13:35,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:13:35,716 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 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 [2020-10-20 08:13:35,753 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 [2020-10-20 08:13:35,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:13:35,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:13:35,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:13:35,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:13:35,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:13:35,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:13:35,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:13:35,763 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 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:13:35,795 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 [2020-10-20 08:13:35,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:13:35,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:13:35,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:13:35,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:13:35,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:13:35,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:13:35,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:13:35,800 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 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:13:35,827 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 [2020-10-20 08:13:35,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:13:35,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:13:35,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:13:35,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:13:35,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:13:35,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:13:35,839 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 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:13:35,864 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 [2020-10-20 08:13:35,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:13:35,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:13:35,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:13:35,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:13:35,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:13:35,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:13:35,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:13:35,870 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 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:13:35,895 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 [2020-10-20 08:13:35,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:13:35,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:13:35,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:13:35,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:13:35,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:13:35,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:13:35,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:13:35,899 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 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:13:35,929 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 [2020-10-20 08:13:35,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:13:35,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:13:35,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:13:35,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:13:35,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:13:35,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:13:35,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:13:35,934 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 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:13:35,964 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 [2020-10-20 08:13:35,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:13:35,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:13:35,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:13:35,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:13:35,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:13:35,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:13:35,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:13:35,970 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 08:13:35,977 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 08:13:35,977 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 08:13:35,988 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 08:13:35,988 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 08:13:35,988 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 08:13:35,989 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 15 Supporting invariants [] Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:13:36,028 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 08:13:36,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:13:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:13:36,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 08:13:36,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 08:13:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:13:36,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 08:13:36,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 08:13:36,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:13:36,455 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 [2020-10-20 08:13:36,456 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 403 states and 695 transitions. cyclomatic complexity: 293 Second operand 3 states. [2020-10-20 08:13:36,615 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 403 states and 695 transitions. cyclomatic complexity: 293. Second operand 3 states. Result 621 states and 1052 transitions. Complement of second has 4 states. [2020-10-20 08:13:36,615 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 [2020-10-20 08:13:36,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-20 08:13:36,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 540 transitions. [2020-10-20 08:13:36,620 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 540 transitions. Stem has 55 letters. Loop has 35 letters. [2020-10-20 08:13:36,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:13:36,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 540 transitions. Stem has 90 letters. Loop has 35 letters. [2020-10-20 08:13:36,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:13:36,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 540 transitions. Stem has 55 letters. Loop has 70 letters. [2020-10-20 08:13:36,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:13:36,632 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 621 states and 1052 transitions. [2020-10-20 08:13:36,644 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 08:13:36,648 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 621 states to 0 states and 0 transitions. [2020-10-20 08:13:36,648 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 08:13:36,649 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 08:13:36,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 08:13:36,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:13:36,649 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:13:36,649 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:13:36,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 08:13:36,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 08:13:36,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 08:13:36,650 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2020-10-20 08:13:36,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 08:13:36,650 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-20 08:13:36,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 08:13:36,650 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-20 08:13:36,650 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 08:13:36,650 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 08:13:36,650 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 08:13:36,651 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 08:13:36,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 08:13:36,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:13:36,651 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:13:36,651 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:13:36,654 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:13:36,654 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-20 08:13:36,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 08:13:36,655 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 08:13:36,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 08:13:36,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 08:13:36 BoogieIcfgContainer [2020-10-20 08:13:36,663 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 08:13:36,663 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 08:13:36,663 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 08:13:36,664 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 08:13:36,664 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:13:29" (3/4) ... [2020-10-20 08:13:36,669 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 08:13:36,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 08:13:36,671 INFO L168 Benchmark]: Toolchain (without parser) took 9236.98 ms. Allocated memory was 35.7 MB in the beginning and 110.6 MB in the end (delta: 75.0 MB). Free memory was 7.9 MB in the beginning and 51.9 MB in the end (delta: -43.9 MB). Peak memory consumption was 31.0 MB. Max. memory is 14.3 GB. [2020-10-20 08:13:36,672 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 35.1 MB. Free memory was 14.0 MB in the beginning and 14.0 MB in the end (delta: 52.8 kB). Peak memory consumption was 52.8 kB. Max. memory is 14.3 GB. [2020-10-20 08:13:36,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.11 ms. Allocated memory was 35.7 MB in the beginning and 47.2 MB in the end (delta: 11.5 MB). Free memory was 7.1 MB in the beginning and 28.4 MB in the end (delta: -21.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 14.3 GB. [2020-10-20 08:13:36,673 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.82 ms. Allocated memory is still 47.2 MB. Free memory was 28.4 MB in the beginning and 23.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.3 GB. [2020-10-20 08:13:36,674 INFO L168 Benchmark]: Boogie Preprocessor took 68.52 ms. Allocated memory is still 47.2 MB. Free memory was 23.4 MB in the beginning and 19.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.3 GB. [2020-10-20 08:13:36,675 INFO L168 Benchmark]: RCFGBuilder took 1608.34 ms. Allocated memory was 47.2 MB in the beginning and 55.6 MB in the end (delta: 8.4 MB). Free memory was 19.0 MB in the beginning and 19.4 MB in the end (delta: -446.9 kB). Peak memory consumption was 17.2 MB. Max. memory is 14.3 GB. [2020-10-20 08:13:36,676 INFO L168 Benchmark]: BuchiAutomizer took 6728.37 ms. Allocated memory was 55.6 MB in the beginning and 110.6 MB in the end (delta: 55.1 MB). Free memory was 19.4 MB in the beginning and 51.9 MB in the end (delta: -32.5 MB). Peak memory consumption was 22.6 MB. Max. memory is 14.3 GB. [2020-10-20 08:13:36,676 INFO L168 Benchmark]: Witness Printer took 5.91 ms. Allocated memory is still 110.6 MB. Free memory is still 51.9 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 08:13:36,681 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 35.1 MB. Free memory was 14.0 MB in the beginning and 14.0 MB in the end (delta: 52.8 kB). Peak memory consumption was 52.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 700.11 ms. Allocated memory was 35.7 MB in the beginning and 47.2 MB in the end (delta: 11.5 MB). Free memory was 7.1 MB in the beginning and 28.4 MB in the end (delta: -21.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 110.82 ms. Allocated memory is still 47.2 MB. Free memory was 28.4 MB in the beginning and 23.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 68.52 ms. Allocated memory is still 47.2 MB. Free memory was 23.4 MB in the beginning and 19.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1608.34 ms. Allocated memory was 47.2 MB in the beginning and 55.6 MB in the end (delta: 8.4 MB). Free memory was 19.0 MB in the beginning and 19.4 MB in the end (delta: -446.9 kB). Peak memory consumption was 17.2 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 6728.37 ms. Allocated memory was 55.6 MB in the beginning and 110.6 MB in the end (delta: 55.1 MB). Free memory was 19.4 MB in the beginning and 51.9 MB in the end (delta: -32.5 MB). Peak memory consumption was 22.6 MB. Max. memory is 14.3 GB. * Witness Printer took 5.91 ms. Allocated memory is still 110.6 MB. Free memory is still 51.9 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 15 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 403 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1628 SDtfs, 881 SDslu, 2361 SDs, 0 SdLazy, 35 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital206 mio100 ax123 hnf104 lsp27 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...