./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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.4.4.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 de2a182f745621c48ef8fe90339217f473f316ab ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 20:21:12,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 20:21:12,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 20:21:12,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 20:21:12,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 20:21:12,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 20:21:12,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 20:21:12,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 20:21:12,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 20:21:12,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 20:21:12,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 20:21:12,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 20:21:12,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 20:21:12,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 20:21:12,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 20:21:12,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 20:21:12,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 20:21:12,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 20:21:12,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 20:21:12,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 20:21:12,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 20:21:12,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 20:21:12,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 20:21:12,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 20:21:12,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 20:21:12,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 20:21:12,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 20:21:12,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 20:21:12,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 20:21:12,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 20:21:12,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 20:21:12,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 20:21:12,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 20:21:12,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 20:21:12,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 20:21:12,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 20:21:12,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 20:21:12,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 20:21:12,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 20:21:12,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 20:21:12,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 20:21:12,593 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 20:21:12,631 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 20:21:12,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 20:21:12,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 20:21:12,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 20:21:12,639 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 20:21:12,639 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 20:21:12,639 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 20:21:12,639 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 20:21:12,640 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 20:21:12,640 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 20:21:12,640 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 20:21:12,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 20:21:12,640 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 20:21:12,642 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 20:21:12,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 20:21:12,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 20:21:12,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 20:21:12,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 20:21:12,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 20:21:12,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 20:21:12,644 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 20:21:12,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 20:21:12,645 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 20:21:12,645 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 20:21:12,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 20:21:12,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 20:21:12,648 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 20:21:12,648 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 20:21:12,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 20:21:12,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 20:21:12,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 20:21:12,649 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 20:21:12,650 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 20:21:12,652 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 -> de2a182f745621c48ef8fe90339217f473f316ab [2020-10-19 20:21:12,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 20:21:13,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 20:21:13,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 20:21:13,013 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 20:21:13,013 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 20:21:13,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c [2020-10-19 20:21:13,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f1f0b928/dd24142694dd43b8812986883c85e59b/FLAG78e40c702 [2020-10-19 20:21:13,590 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 20:21:13,591 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c [2020-10-19 20:21:13,607 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f1f0b928/dd24142694dd43b8812986883c85e59b/FLAG78e40c702 [2020-10-19 20:21:13,913 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f1f0b928/dd24142694dd43b8812986883c85e59b [2020-10-19 20:21:13,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 20:21:13,925 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 20:21:13,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 20:21:13,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 20:21:13,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 20:21:13,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 08:21:13" (1/1) ... [2020-10-19 20:21:13,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3380c406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:21:13, skipping insertion in model container [2020-10-19 20:21:13,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 08:21:13" (1/1) ... [2020-10-19 20:21:13,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 20:21:13,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 20:21:14,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 20:21:14,510 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 20:21:14,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 20:21:14,661 INFO L208 MainTranslator]: Completed translation [2020-10-19 20:21:14,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:21:14 WrapperNode [2020-10-19 20:21:14,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 20:21:14,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 20:21:14,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 20:21:14,664 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 20:21:14,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:21:14" (1/1) ... [2020-10-19 20:21:14,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:21:14" (1/1) ... [2020-10-19 20:21:14,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 20:21:14,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 20:21:14,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 20:21:14,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 20:21:14,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:21:14" (1/1) ... [2020-10-19 20:21:14,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:21:14" (1/1) ... [2020-10-19 20:21:14,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:21:14" (1/1) ... [2020-10-19 20:21:14,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:21:14" (1/1) ... [2020-10-19 20:21:14,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:21:14" (1/1) ... [2020-10-19 20:21:14,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:21:14" (1/1) ... [2020-10-19 20:21:14,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:21:14" (1/1) ... [2020-10-19 20:21:14,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 20:21:14,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 20:21:14,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 20:21:14,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 20:21:14,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:21:14" (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 [2020-10-19 20:21:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 20:21:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 20:21:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 20:21:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 20:21:16,247 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 20:21:16,247 INFO L298 CfgBuilder]: Removed 23 assume(true) statements. [2020-10-19 20:21:16,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:21:16 BoogieIcfgContainer [2020-10-19 20:21:16,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 20:21:16,251 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 20:21:16,251 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 20:21:16,255 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 20:21:16,256 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:21:16,257 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 08:21:13" (1/3) ... [2020-10-19 20:21:16,258 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fd48c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 08:21:16, skipping insertion in model container [2020-10-19 20:21:16,258 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:21:16,259 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:21:14" (2/3) ... [2020-10-19 20:21:16,259 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fd48c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 08:21:16, skipping insertion in model container [2020-10-19 20:21:16,259 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:21:16,260 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:21:16" (3/3) ... [2020-10-19 20:21:16,262 INFO L373 chiAutomizerObserver]: Analyzing ICFG pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c [2020-10-19 20:21:16,319 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 20:21:16,319 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 20:21:16,319 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 20:21:16,320 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 20:21:16,320 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 20:21:16,320 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 20:21:16,320 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 20:21:16,321 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 20:21:16,348 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 324 states. [2020-10-19 20:21:16,398 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 124 [2020-10-19 20:21:16,398 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:21:16,398 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:21:16,414 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] [2020-10-19 20:21:16,414 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] [2020-10-19 20:21:16,414 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 20:21:16,415 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 324 states. [2020-10-19 20:21:16,425 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 124 [2020-10-19 20:21:16,425 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:21:16,425 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:21:16,429 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] [2020-10-19 20:21:16,429 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] [2020-10-19 20:21:16,443 INFO L794 eck$LassoCheckResult]: Stem: 116#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]; 16#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; 151#L489true assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 149#L500true init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 49#L510true assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 48#L521true init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 277#L531true assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 276#L542true init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 175#L552true assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 174#L563true init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 238#L573true assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 237#L584true init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 137#L594true assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 136#L605true init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 40#L615true assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 39#L626true init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 259#L636true assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 258#L647true init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 324#L657true assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 323#L668true init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 222#L678true assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 221#L689true init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 121#L699true assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 120#L710true init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 23#L720true assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 22#L731true init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 80#L741true assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 77#L752true init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 304#L762true assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 303#L773true init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 204#L783true assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 203#L794true init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 83#L804true assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 102#L815true init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 143#L825true assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 142#L836true init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 44#L846true assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 43#L857true init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 267#L867true assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 265#L878true init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 169#L888true assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 168#L899true init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 228#L909true assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 227#L920true init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 129#L930true assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 128#L941true init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 33#L951true assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 32#L962true init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 252#L972true assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 251#L983true init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 314#L993true assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 318#L993-1true init_#res := init_~tmp___23~0; 125#L1178true 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; 326#L68true assume !(0 == assume_abort_if_not_~cond); 225#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; 78#L1319-2true [2020-10-19 20:21:16,444 INFO L796 eck$LassoCheckResult]: Loop: 78#L1319-2true 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; 191#L161true assume !(0 != ~mode1~0 % 256); 4#L197true assume !(~r1~0 < 2); 26#L197-1true ~mode1~0 := 1; 187#L161-2true havoc node2_#t~ite10, node2_#t~ite11, node2_#t~ite12, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 156#L225true assume !(0 != ~mode2~0 % 256); 287#L261true assume !(~r2~0 < 3); 306#L261-1true ~mode2~0 := 1; 150#L225-2true havoc node3_#t~ite13, node3_#t~ite14, node3_#t~ite15, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 282#L289true assume !(0 != ~mode3~0 % 256); 101#L325true assume !(~r3~0 < 3); 84#L325-1true ~mode3~0 := 1; 275#L289-2true havoc node4_#t~ite16, node4_#t~ite17, node4_#t~ite18, node4_~newmax~3;havoc node4_~newmax~3;node4_~newmax~3 := 0; 231#L353true assume !(0 != ~mode4~0 % 256); 59#L389true assume !(~r4~0 < 3); 42#L389-1true ~mode4~0 := 1; 235#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; 289#L1186true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1 := 0; 290#L1186-1true check_#res := check_~tmp~1; 145#L1238true 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; 297#L1362true assume !(0 == assert_~arg % 256); 270#L1357true main_#t~post65 := main_~i2~0;main_~i2~0 := 1 + main_#t~post65;havoc main_#t~post65; 78#L1319-2true [2020-10-19 20:21:16,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:21:16,452 INFO L82 PathProgramCache]: Analyzing trace with hash 2064134942, now seen corresponding path program 1 times [2020-10-19 20:21:16,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:21:16,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392907617] [2020-10-19 20:21:16,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:21:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:21:16,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:21:16,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392907617] [2020-10-19 20:21:16,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:21:16,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 20:21:16,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317008082] [2020-10-19 20:21:17,004 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 20:21:17,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:21:17,005 INFO L82 PathProgramCache]: Analyzing trace with hash -340497739, now seen corresponding path program 1 times [2020-10-19 20:21:17,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:21:17,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643371747] [2020-10-19 20:21:17,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:21:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:21:17,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:21:17,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643371747] [2020-10-19 20:21:17,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:21:17,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 20:21:17,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009941883] [2020-10-19 20:21:17,159 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-19 20:21:17,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:21:17,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 20:21:17,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 20:21:17,181 INFO L87 Difference]: Start difference. First operand 324 states. Second operand 5 states. [2020-10-19 20:21:17,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:21:17,303 INFO L93 Difference]: Finished difference Result 327 states and 581 transitions. [2020-10-19 20:21:17,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 20:21:17,306 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 327 states and 581 transitions. [2020-10-19 20:21:17,311 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 122 [2020-10-19 20:21:17,320 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 327 states to 318 states and 564 transitions. [2020-10-19 20:21:17,322 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 318 [2020-10-19 20:21:17,323 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 318 [2020-10-19 20:21:17,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 318 states and 564 transitions. [2020-10-19 20:21:17,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:21:17,328 INFO L691 BuchiCegarLoop]: Abstraction has 318 states and 564 transitions. [2020-10-19 20:21:17,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states and 564 transitions. [2020-10-19 20:21:17,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2020-10-19 20:21:17,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-19 20:21:17,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 564 transitions. [2020-10-19 20:21:17,384 INFO L714 BuchiCegarLoop]: Abstraction has 318 states and 564 transitions. [2020-10-19 20:21:17,385 INFO L594 BuchiCegarLoop]: Abstraction has 318 states and 564 transitions. [2020-10-19 20:21:17,385 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 20:21:17,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 318 states and 564 transitions. [2020-10-19 20:21:17,388 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 122 [2020-10-19 20:21:17,389 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:21:17,389 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:21:17,392 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] [2020-10-19 20:21:17,392 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] [2020-10-19 20:21:17,393 INFO L794 eck$LassoCheckResult]: Stem: 870#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]; 699#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; 700#L489 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 773#L500 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 768#L510 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 696#L521 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 765#L531 assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 798#L542 init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 925#L552 assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 860#L563 init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 924#L573 assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 687#L584 init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 894#L594 assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 753#L605 init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 750#L615 assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 748#L626 init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 749#L636 assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 747#L647 init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 981#L657 assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 826#L668 init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 962#L678 assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 878#L689 init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 874#L699 assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 717#L710 init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 713#L720 assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 711#L731 init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 712#L741 assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 710#L752 init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 811#L762 assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 810#L773 init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 948#L783 assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 822#L794 init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 821#L804 assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 705#L815 init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 854#L825 assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 762#L836 init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 758#L846 assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 756#L857 init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 757#L867 assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 789#L878 init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 919#L888 assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 845#L899 init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 918#L909 assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 885#L920 init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 883#L930 assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 736#L941 init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 733#L951 assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 731#L962 init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 732#L972 assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 730#L983 init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 979#L993 assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 693#L993-1 init_#res := init_~tmp___23~0; 879#L1178 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; 880#L68 assume !(0 == assume_abort_if_not_~cond); 965#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; 812#L1319-2 [2020-10-19 20:21:17,394 INFO L796 eck$LassoCheckResult]: Loop: 812#L1319-2 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; 813#L161 assume !(0 != ~mode1~0 % 256); 671#L197 assume !(~r1~0 < 2); 673#L197-1 ~mode1~0 := 1; 720#L161-2 havoc node2_#t~ite10, node2_#t~ite11, node2_#t~ite12, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 908#L225 assume !(0 != ~mode2~0 % 256); 910#L261 assume !(~r2~0 < 3); 675#L261-1 ~mode2~0 := 1; 677#L225-2 havoc node3_#t~ite13, node3_#t~ite14, node3_#t~ite15, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 905#L289 assume !(0 != ~mode3~0 % 256); 852#L325 assume !(~r3~0 < 3); 819#L325-1 ~mode3~0 := 1; 820#L289-2 havoc node4_#t~ite16, node4_#t~ite17, node4_#t~ite18, node4_~newmax~3;havoc node4_~newmax~3;node4_~newmax~3 := 0; 968#L353 assume !(0 != ~mode4~0 % 256); 786#L389 assume !(~r4~0 < 3); 739#L389-1 ~mode4~0 := 1; 755#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; 970#L1186 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 792#L1187 assume ~st1~0 + ~nl1~0 <= 1; 669#L1188 assume ~st2~0 + ~nl2~0 <= 1; 670#L1189 assume ~st3~0 + ~nl3~0 <= 1; 876#L1190 assume ~st4~0 + ~nl4~0 <= 1; 963#L1191 assume ~r1~0 >= 3; 824#L1195 assume ~r1~0 < 3; 719#L1200 assume ~r1~0 >= 3; 742#L1205 assume ~r1~0 < 3;check_~tmp~1 := 1; 791#L1186-1 check_#res := check_~tmp~1; 902#L1238 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; 903#L1362 assume !(0 == assert_~arg % 256); 983#L1357 main_#t~post65 := main_~i2~0;main_~i2~0 := 1 + main_#t~post65;havoc main_#t~post65; 812#L1319-2 [2020-10-19 20:21:17,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:21:17,394 INFO L82 PathProgramCache]: Analyzing trace with hash 2064134942, now seen corresponding path program 2 times [2020-10-19 20:21:17,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:21:17,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315818346] [2020-10-19 20:21:17,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:21:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:21:17,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:21:17,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315818346] [2020-10-19 20:21:17,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:21:17,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 20:21:17,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193130024] [2020-10-19 20:21:17,569 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 20:21:17,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:21:17,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1528981124, now seen corresponding path program 1 times [2020-10-19 20:21:17,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:21:17,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704826051] [2020-10-19 20:21:17,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:21:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:21:17,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:21:17,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704826051] [2020-10-19 20:21:17,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:21:17,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 20:21:17,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200323160] [2020-10-19 20:21:17,597 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-19 20:21:17,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:21:17,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 20:21:17,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 20:21:17,599 INFO L87 Difference]: Start difference. First operand 318 states and 564 transitions. cyclomatic complexity: 247 Second operand 3 states. [2020-10-19 20:21:17,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:21:17,675 INFO L93 Difference]: Finished difference Result 415 states and 719 transitions. [2020-10-19 20:21:17,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 20:21:17,677 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 415 states and 719 transitions. [2020-10-19 20:21:17,682 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 219 [2020-10-19 20:21:17,687 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 415 states to 415 states and 719 transitions. [2020-10-19 20:21:17,687 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 415 [2020-10-19 20:21:17,688 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 415 [2020-10-19 20:21:17,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 415 states and 719 transitions. [2020-10-19 20:21:17,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:21:17,692 INFO L691 BuchiCegarLoop]: Abstraction has 415 states and 719 transitions. [2020-10-19 20:21:17,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states and 719 transitions. [2020-10-19 20:21:17,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2020-10-19 20:21:17,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2020-10-19 20:21:17,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 719 transitions. [2020-10-19 20:21:17,717 INFO L714 BuchiCegarLoop]: Abstraction has 415 states and 719 transitions. [2020-10-19 20:21:17,718 INFO L594 BuchiCegarLoop]: Abstraction has 415 states and 719 transitions. [2020-10-19 20:21:17,718 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-19 20:21:17,718 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 415 states and 719 transitions. [2020-10-19 20:21:17,722 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 219 [2020-10-19 20:21:17,723 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:21:17,723 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:21:17,726 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] [2020-10-19 20:21:17,726 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] [2020-10-19 20:21:17,727 INFO L794 eck$LassoCheckResult]: Stem: 1612#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]; 1441#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; 1442#L489 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 1515#L500 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 1510#L510 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 1438#L521 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 1507#L531 assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 1540#L542 init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 1669#L552 assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 1602#L563 init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 1668#L573 assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 1428#L584 init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 1637#L594 assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 1495#L605 init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 1492#L615 assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 1490#L626 init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 1491#L636 assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 1489#L647 init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 1728#L657 assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 1568#L668 init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 1708#L678 assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 1619#L689 init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 1616#L699 assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 1459#L710 init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 1455#L720 assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 1453#L731 init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 1454#L741 assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 1452#L752 init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 1553#L762 assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 1551#L773 init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 1694#L783 assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 1564#L794 init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 1561#L804 assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 1447#L815 init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 1596#L825 assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 1504#L836 init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 1500#L846 assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 1498#L857 init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 1499#L867 assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 1531#L878 init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 1663#L888 assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 1584#L899 init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 1662#L909 assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 1628#L920 init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 1626#L930 assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 1478#L941 init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 1475#L951 assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 1473#L962 init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 1474#L972 assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 1472#L983 init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 1726#L993 assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 1435#L993-1 init_#res := init_~tmp___23~0; 1622#L1178 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; 1623#L68 assume !(0 == assume_abort_if_not_~cond); 1712#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; 1554#L1319-2 [2020-10-19 20:21:17,727 INFO L796 eck$LassoCheckResult]: Loop: 1554#L1319-2 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; 1555#L161 assume !(0 != ~mode1~0 % 256); 1413#L197 assume !(~r1~0 < 2); 1415#L197-1 ~mode1~0 := 1; 1462#L161-2 havoc node2_#t~ite10, node2_#t~ite11, node2_#t~ite12, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 1652#L225 assume !(0 != ~mode2~0 % 256); 1654#L261 assume !(~r2~0 < 3); 1417#L261-1 ~mode2~0 := 1; 1419#L225-2 havoc node3_#t~ite13, node3_#t~ite14, node3_#t~ite15, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 1649#L289 assume !(0 != ~mode3~0 % 256); 1594#L325 assume !(~r3~0 < 3); 1562#L325-1 ~mode3~0 := 1; 1563#L289-2 havoc node4_#t~ite16, node4_#t~ite17, node4_#t~ite18, node4_~newmax~3;havoc node4_~newmax~3;node4_~newmax~3 := 0; 1715#L353 assume !(0 != ~mode4~0 % 256); 1528#L389 assume !(~r4~0 < 3); 1481#L389-1 ~mode4~0 := 1; 1497#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; 1717#L1186 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1534#L1187 assume ~st1~0 + ~nl1~0 <= 1; 1411#L1188 assume ~st2~0 + ~nl2~0 <= 1; 1412#L1189 assume ~st3~0 + ~nl3~0 <= 1; 1620#L1190 assume ~st4~0 + ~nl4~0 <= 1; 1737#L1191 assume !(~r1~0 >= 3); 1647#L1194 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1648#L1195 assume ~r1~0 < 3; 1736#L1200 assume !(~r1~0 >= 3); 1486#L1204 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1487#L1205 assume ~r1~0 < 3;check_~tmp~1 := 1; 1732#L1186-1 check_#res := check_~tmp~1; 1645#L1238 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; 1646#L1362 assume !(0 == assert_~arg % 256); 1730#L1357 main_#t~post65 := main_~i2~0;main_~i2~0 := 1 + main_#t~post65;havoc main_#t~post65; 1554#L1319-2 [2020-10-19 20:21:17,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:21:17,728 INFO L82 PathProgramCache]: Analyzing trace with hash 2064134942, now seen corresponding path program 3 times [2020-10-19 20:21:17,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:21:17,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513721269] [2020-10-19 20:21:17,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:21:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:21:17,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:21:17,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513721269] [2020-10-19 20:21:17,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:21:17,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 20:21:17,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199105376] [2020-10-19 20:21:17,857 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 20:21:17,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:21:17,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1498997092, now seen corresponding path program 1 times [2020-10-19 20:21:17,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:21:17,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964491333] [2020-10-19 20:21:17,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:21:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:21:17,877 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:21:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:21:17,894 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:21:17,939 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:21:18,559 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 147 [2020-10-19 20:21:19,044 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 145 [2020-10-19 20:21:19,067 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:21:19,068 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:21:19,068 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:21:19,068 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:21:19,068 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 20:21:19,068 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:21:19,068 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:21:19,069 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:21:19,069 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2020-10-19 20:21:19,069 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:21:19,069 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:21:19,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:19,790 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-19 20:21:20,213 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-19 20:21:20,272 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:21:20,273 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 [2020-10-19 20:21:20,286 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 20:21:20,286 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) [2020-10-19 20:21:20,332 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 20:21:20,332 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:21:20,443 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-19 20:21:20,445 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:21:20,445 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:21:20,445 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:21:20,445 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:21:20,445 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 20:21:20,445 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:21:20,446 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:21:20,446 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:21:20,446 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2020-10-19 20:21:20,446 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:21:20,446 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:21:20,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:20,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:21:21,018 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-19 20:21:21,484 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-19 20:21:21,626 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:21:21,632 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 [2020-10-19 20:21:21,640 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 [2020-10-19 20:21:21,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:21:21,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:21:21,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:21:21,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:21:21,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:21:21,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:21:21,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:21:21,649 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 [2020-10-19 20:21:21,673 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 [2020-10-19 20:21:21,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:21:21,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:21:21,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:21:21,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:21:21,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:21:21,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:21:21,689 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 [2020-10-19 20:21:21,721 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 [2020-10-19 20:21:21,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:21:21,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:21:21,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:21:21,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:21:21,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:21:21,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:21:21,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:21:21,725 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 [2020-10-19 20:21:21,750 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 [2020-10-19 20:21:21,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:21:21,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:21:21,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:21:21,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:21:21,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:21:21,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:21:21,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:21:21,755 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 [2020-10-19 20:21:21,781 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 [2020-10-19 20:21:21,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:21:21,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:21:21,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:21:21,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:21:21,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:21:21,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:21:21,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:21:21,786 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 [2020-10-19 20:21:21,814 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 [2020-10-19 20:21:21,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:21:21,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:21:21,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:21:21,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:21:21,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:21:21,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:21:21,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:21:21,819 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 [2020-10-19 20:21:21,846 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 [2020-10-19 20:21:21,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:21:21,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:21:21,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:21:21,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:21:21,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:21:21,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:21:21,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:21:21,851 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 [2020-10-19 20:21:21,881 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 [2020-10-19 20:21:21,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:21:21,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:21:21,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:21:21,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:21:21,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:21:21,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:21:21,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:21:21,886 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 [2020-10-19 20:21:21,910 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 [2020-10-19 20:21:21,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:21:21,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:21:21,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:21:21,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:21:21,914 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:21:21,914 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:21:21,918 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) [2020-10-19 20:21:21,948 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 [2020-10-19 20:21:21,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:21:21,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:21:21,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:21:21,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:21:21,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:21:21,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:21:21,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:21:21,957 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 [2020-10-19 20:21:21,984 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 [2020-10-19 20:21:21,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:21:21,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:21:21,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:21:21,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:21:21,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:21:21,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:21:21,993 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 [2020-10-19 20:21:22,026 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 [2020-10-19 20:21:22,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:21:22,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:21:22,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:21:22,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:21:22,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:21:22,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:21:22,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:21:22,032 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 [2020-10-19 20:21:22,055 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 [2020-10-19 20:21:22,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:21:22,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:21:22,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:21:22,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:21:22,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:21:22,059 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:21:22,062 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 [2020-10-19 20:21:22,086 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 [2020-10-19 20:21:22,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:21:22,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:21:22,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:21:22,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:21:22,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:21:22,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:21:22,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:21:22,104 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 [2020-10-19 20:21:22,156 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 [2020-10-19 20:21:22,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:21:22,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:21:22,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:21:22,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:21:22,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:21:22,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:21:22,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:21:22,162 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) [2020-10-19 20:21:22,228 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 [2020-10-19 20:21:22,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:21:22,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:21:22,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:21:22,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:21:22,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:21:22,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:21:22,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:21:22,236 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) [2020-10-19 20:21:22,301 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 [2020-10-19 20:21:22,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:21:22,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:21:22,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:21:22,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:21:22,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:21:22,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:21:22,313 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) [2020-10-19 20:21:22,364 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 [2020-10-19 20:21:22,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:21:22,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:21:22,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:21:22,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:21:22,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:21:22,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:21:22,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:21:22,371 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 [2020-10-19 20:21:22,401 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 [2020-10-19 20:21:22,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:21:22,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:21:22,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:21:22,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:21:22,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:21:22,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:21:22,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:21:22,410 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 [2020-10-19 20:21:22,435 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 [2020-10-19 20:21:22,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:21:22,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:21:22,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:21:22,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:21:22,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:21:22,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:21:22,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:21:22,438 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 [2020-10-19 20:21:22,461 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 [2020-10-19 20:21:22,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:21:22,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:21:22,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:21:22,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:21:22,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:21:22,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:21:22,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:21:22,471 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 20:21:22,476 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-19 20:21:22,476 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 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 [2020-10-19 20:21:22,481 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 20:21:22,481 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 20:21:22,481 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 20:21:22,482 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 15 Supporting invariants [] [2020-10-19 20:21:22,504 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-19 20:21:22,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:21:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:21:22,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 20:21:22,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:21:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:21:22,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 20:21:22,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:21:22,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:21:22,819 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-19 20:21:22,820 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 415 states and 719 transitions. cyclomatic complexity: 305 Second operand 3 states. [2020-10-19 20:21:22,913 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 415 states and 719 transitions. cyclomatic complexity: 305. Second operand 3 states. Result 633 states and 1076 transitions. Complement of second has 4 states. [2020-10-19 20:21:22,914 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 [2020-10-19 20:21:22,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 20:21:22,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 564 transitions. [2020-10-19 20:21:22,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 564 transitions. Stem has 55 letters. Loop has 32 letters. [2020-10-19 20:21:22,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:21:22,919 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 564 transitions. Stem has 87 letters. Loop has 32 letters. [2020-10-19 20:21:22,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:21:22,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 564 transitions. Stem has 55 letters. Loop has 64 letters. [2020-10-19 20:21:22,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:21:22,922 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 633 states and 1076 transitions. [2020-10-19 20:21:22,928 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:21:22,928 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 633 states to 0 states and 0 transitions. [2020-10-19 20:21:22,928 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 20:21:22,928 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 20:21:22,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 20:21:22,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:21:22,928 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:21:22,929 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:21:22,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:21:22,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 20:21:22,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 20:21:22,929 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2020-10-19 20:21:22,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:21:22,929 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-19 20:21:22,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 20:21:22,930 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-19 20:21:22,930 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:21:22,930 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 20:21:22,930 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 20:21:22,930 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 20:21:22,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 20:21:22,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:21:22,931 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:21:22,931 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:21:22,931 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:21:22,931 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-19 20:21:22,931 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 20:21:22,931 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:21:22,931 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 20:21:22,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 08:21:22 BoogieIcfgContainer [2020-10-19 20:21:22,938 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 20:21:22,939 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 20:21:22,939 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 20:21:22,939 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 20:21:22,940 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:21:16" (3/4) ... [2020-10-19 20:21:22,943 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 20:21:22,943 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 20:21:22,945 INFO L168 Benchmark]: Toolchain (without parser) took 9026.32 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 292.0 MB). Free memory was 960.0 MB in the beginning and 972.4 MB in the end (delta: -12.4 MB). Peak memory consumption was 279.6 MB. Max. memory is 11.5 GB. [2020-10-19 20:21:22,946 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:21:22,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -119.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2020-10-19 20:21:22,947 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:21:22,947 INFO L168 Benchmark]: Boogie Preprocessor took 83.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-10-19 20:21:22,948 INFO L168 Benchmark]: RCFGBuilder took 1426.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 952.7 MB in the end (delta: 114.8 MB). Peak memory consumption was 114.8 MB. Max. memory is 11.5 GB. [2020-10-19 20:21:22,949 INFO L168 Benchmark]: BuchiAutomizer took 6687.31 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 186.1 MB). Free memory was 952.7 MB in the beginning and 972.4 MB in the end (delta: -19.7 MB). Peak memory consumption was 166.5 MB. Max. memory is 11.5 GB. [2020-10-19 20:21:22,949 INFO L168 Benchmark]: Witness Printer took 4.60 ms. Allocated memory is still 1.3 GB. Free memory is still 972.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:21:22,953 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 736.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -119.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1426.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 952.7 MB in the end (delta: 114.8 MB). Peak memory consumption was 114.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6687.31 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 186.1 MB). Free memory was 952.7 MB in the beginning and 972.4 MB in the end (delta: -19.7 MB). Peak memory consumption was 166.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.60 ms. Allocated memory is still 1.3 GB. Free memory is still 972.4 MB. There was no memory consumed. Max. memory is 11.5 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 5.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. 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 415 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1843 SDtfs, 724 SDslu, 2457 SDs, 0 SdLazy, 36 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital195 mio100 ax124 hnf104 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms 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...