./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label15.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem01_label15.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 052725a62677b964064d3d5aa77160bbc826810b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 22:29:46,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:29:46,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:29:46,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:29:46,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:29:46,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:29:46,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:29:46,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:29:46,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:29:46,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:29:46,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:29:46,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:29:46,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:29:46,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:29:46,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:29:46,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:29:46,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:29:46,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:29:46,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:29:47,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:29:47,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:29:47,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:29:47,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:29:47,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:29:47,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:29:47,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:29:47,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:29:47,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:29:47,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:29:47,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:29:47,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:29:47,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:29:47,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:29:47,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:29:47,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:29:47,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:29:47,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:29:47,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:29:47,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:29:47,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:29:47,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:29:47,035 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:29:47,055 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:29:47,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:29:47,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:29:47,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:29:47,058 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:29:47,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:29:47,058 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:29:47,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:29:47,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:29:47,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:29:47,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:29:47,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:29:47,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:29:47,060 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:29:47,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:29:47,060 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:29:47,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:29:47,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:29:47,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:29:47,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:29:47,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:29:47,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:29:47,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:29:47,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:29:47,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:29:47,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:29:47,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:29:47,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:29:47,064 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:29:47,064 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(G ! call(reach_error())) ) 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 -> 052725a62677b964064d3d5aa77160bbc826810b [2020-10-19 22:29:47,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:29:47,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:29:47,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:29:47,303 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:29:47,305 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:29:47,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label15.c [2020-10-19 22:29:47,373 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a072290c4/10f7d13c5ac9476291491b3a77a11169/FLAG487da77bb [2020-10-19 22:29:48,013 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:29:48,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label15.c [2020-10-19 22:29:48,038 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a072290c4/10f7d13c5ac9476291491b3a77a11169/FLAG487da77bb [2020-10-19 22:29:48,310 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a072290c4/10f7d13c5ac9476291491b3a77a11169 [2020-10-19 22:29:48,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:29:48,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:29:48,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:29:48,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:29:48,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:29:48,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:29:48" (1/1) ... [2020-10-19 22:29:48,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@502a0525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:48, skipping insertion in model container [2020-10-19 22:29:48,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:29:48" (1/1) ... [2020-10-19 22:29:48,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:29:48,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:29:48,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:29:48,821 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:29:48,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:29:48,966 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:29:48,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:48 WrapperNode [2020-10-19 22:29:48,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:29:48,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:29:48,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:29:48,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:29:48,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:48" (1/1) ... [2020-10-19 22:29:48,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:48" (1/1) ... [2020-10-19 22:29:49,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:29:49,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:29:49,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:29:49,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:29:49,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:48" (1/1) ... [2020-10-19 22:29:49,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:48" (1/1) ... [2020-10-19 22:29:49,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:48" (1/1) ... [2020-10-19 22:29:49,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:48" (1/1) ... [2020-10-19 22:29:49,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:48" (1/1) ... [2020-10-19 22:29:49,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:48" (1/1) ... [2020-10-19 22:29:49,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:48" (1/1) ... [2020-10-19 22:29:49,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:29:49,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:29:49,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:29:49,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:29:49,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:48" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:29:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:29:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:29:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:29:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:29:50,594 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:29:50,594 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 22:29:50,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:29:50 BoogieIcfgContainer [2020-10-19 22:29:50,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:29:50,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:29:50,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:29:50,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:29:50,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:29:48" (1/3) ... [2020-10-19 22:29:50,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c666629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:29:50, skipping insertion in model container [2020-10-19 22:29:50,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:48" (2/3) ... [2020-10-19 22:29:50,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c666629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:29:50, skipping insertion in model container [2020-10-19 22:29:50,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:29:50" (3/3) ... [2020-10-19 22:29:50,606 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label15.c [2020-10-19 22:29:50,619 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:29:50,628 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:29:50,645 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:29:50,677 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:29:50,677 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:29:50,677 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:29:50,678 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:29:50,678 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:29:50,678 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:29:50,678 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:29:50,679 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:29:50,701 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-10-19 22:29:50,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-19 22:29:50,712 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:50,713 INFO L422 BasicCegarLoop]: trace 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, 1, 1, 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 22:29:50,714 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:50,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:50,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1750994538, now seen corresponding path program 1 times [2020-10-19 22:29:50,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:50,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150063241] [2020-10-19 22:29:50,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:51,165 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 22:29:51,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150063241] [2020-10-19 22:29:51,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:51,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:51,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335918029] [2020-10-19 22:29:51,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:51,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:51,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:51,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:51,199 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-10-19 22:29:52,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:52,481 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-10-19 22:29:52,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:52,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-10-19 22:29:52,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:52,502 INFO L225 Difference]: With dead ends: 529 [2020-10-19 22:29:52,502 INFO L226 Difference]: Without dead ends: 266 [2020-10-19 22:29:52,508 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:52,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-19 22:29:52,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-10-19 22:29:52,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-19 22:29:52,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2020-10-19 22:29:52,576 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 81 [2020-10-19 22:29:52,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:52,577 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2020-10-19 22:29:52,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:52,578 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2020-10-19 22:29:52,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-19 22:29:52,582 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:52,582 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:52,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:29:52,583 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:52,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:52,584 INFO L82 PathProgramCache]: Analyzing trace with hash 827889697, now seen corresponding path program 1 times [2020-10-19 22:29:52,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:52,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119158337] [2020-10-19 22:29:52,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:52,656 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:29:52,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119158337] [2020-10-19 22:29:52,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:52,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:52,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737257444] [2020-10-19 22:29:52,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:52,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:52,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:52,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:52,693 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 3 states. [2020-10-19 22:29:53,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:53,382 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2020-10-19 22:29:53,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:53,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2020-10-19 22:29:53,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:53,394 INFO L225 Difference]: With dead ends: 792 [2020-10-19 22:29:53,395 INFO L226 Difference]: Without dead ends: 528 [2020-10-19 22:29:53,397 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:53,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-10-19 22:29:53,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-10-19 22:29:53,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-10-19 22:29:53,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 745 transitions. [2020-10-19 22:29:53,469 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 745 transitions. Word has length 87 [2020-10-19 22:29:53,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:53,469 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 745 transitions. [2020-10-19 22:29:53,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:53,470 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 745 transitions. [2020-10-19 22:29:53,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-19 22:29:53,481 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:53,482 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:53,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 22:29:53,484 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:53,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:53,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1734689503, now seen corresponding path program 1 times [2020-10-19 22:29:53,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:53,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332951682] [2020-10-19 22:29:53,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:53,680 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:29:53,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332951682] [2020-10-19 22:29:53,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:53,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:29:53,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132878057] [2020-10-19 22:29:53,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:53,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:53,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:53,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:53,683 INFO L87 Difference]: Start difference. First operand 528 states and 745 transitions. Second operand 3 states. [2020-10-19 22:29:54,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:54,485 INFO L93 Difference]: Finished difference Result 1185 states and 1680 transitions. [2020-10-19 22:29:54,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:54,485 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2020-10-19 22:29:54,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:54,492 INFO L225 Difference]: With dead ends: 1185 [2020-10-19 22:29:54,492 INFO L226 Difference]: Without dead ends: 659 [2020-10-19 22:29:54,493 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:54,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2020-10-19 22:29:54,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 528. [2020-10-19 22:29:54,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-10-19 22:29:54,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 702 transitions. [2020-10-19 22:29:54,531 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 702 transitions. Word has length 88 [2020-10-19 22:29:54,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:54,531 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 702 transitions. [2020-10-19 22:29:54,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:54,532 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 702 transitions. [2020-10-19 22:29:54,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-19 22:29:54,534 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:54,535 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:54,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 22:29:54,536 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:54,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:54,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1662151952, now seen corresponding path program 1 times [2020-10-19 22:29:54,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:54,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823089866] [2020-10-19 22:29:54,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:54,602 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:29:54,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823089866] [2020-10-19 22:29:54,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:54,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:54,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556188523] [2020-10-19 22:29:54,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:54,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:54,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:54,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:54,606 INFO L87 Difference]: Start difference. First operand 528 states and 702 transitions. Second operand 3 states. [2020-10-19 22:29:55,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:55,256 INFO L93 Difference]: Finished difference Result 1578 states and 2101 transitions. [2020-10-19 22:29:55,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:55,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-10-19 22:29:55,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:55,263 INFO L225 Difference]: With dead ends: 1578 [2020-10-19 22:29:55,264 INFO L226 Difference]: Without dead ends: 921 [2020-10-19 22:29:55,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:55,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-10-19 22:29:55,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 790. [2020-10-19 22:29:55,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-10-19 22:29:55,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 921 transitions. [2020-10-19 22:29:55,294 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 921 transitions. Word has length 94 [2020-10-19 22:29:55,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:55,295 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 921 transitions. [2020-10-19 22:29:55,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:55,295 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 921 transitions. [2020-10-19 22:29:55,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-19 22:29:55,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:55,298 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:55,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 22:29:55,298 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:55,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:55,299 INFO L82 PathProgramCache]: Analyzing trace with hash 488704586, now seen corresponding path program 1 times [2020-10-19 22:29:55,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:55,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584454282] [2020-10-19 22:29:55,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:55,383 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-19 22:29:55,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584454282] [2020-10-19 22:29:55,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:55,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:55,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535629951] [2020-10-19 22:29:55,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:55,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:55,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:55,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:55,387 INFO L87 Difference]: Start difference. First operand 790 states and 921 transitions. Second operand 3 states. [2020-10-19 22:29:55,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:55,986 INFO L93 Difference]: Finished difference Result 2102 states and 2432 transitions. [2020-10-19 22:29:55,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:55,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-10-19 22:29:55,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:55,996 INFO L225 Difference]: With dead ends: 2102 [2020-10-19 22:29:55,996 INFO L226 Difference]: Without dead ends: 1314 [2020-10-19 22:29:55,999 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:56,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-10-19 22:29:56,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1183. [2020-10-19 22:29:56,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2020-10-19 22:29:56,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1344 transitions. [2020-10-19 22:29:56,034 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1344 transitions. Word has length 98 [2020-10-19 22:29:56,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:56,034 INFO L481 AbstractCegarLoop]: Abstraction has 1183 states and 1344 transitions. [2020-10-19 22:29:56,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:56,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1344 transitions. [2020-10-19 22:29:56,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-19 22:29:56,038 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:56,039 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:29:56,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 22:29:56,039 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:56,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:56,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1516462, now seen corresponding path program 1 times [2020-10-19 22:29:56,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:56,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302783888] [2020-10-19 22:29:56,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:56,124 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-19 22:29:56,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302783888] [2020-10-19 22:29:56,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:56,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:56,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798420513] [2020-10-19 22:29:56,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:56,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:56,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:56,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:56,128 INFO L87 Difference]: Start difference. First operand 1183 states and 1344 transitions. Second operand 3 states. [2020-10-19 22:29:56,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:56,660 INFO L93 Difference]: Finished difference Result 2495 states and 2838 transitions. [2020-10-19 22:29:56,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:56,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-10-19 22:29:56,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:56,667 INFO L225 Difference]: With dead ends: 2495 [2020-10-19 22:29:56,668 INFO L226 Difference]: Without dead ends: 1314 [2020-10-19 22:29:56,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:56,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-10-19 22:29:56,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1314. [2020-10-19 22:29:56,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-10-19 22:29:56,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1486 transitions. [2020-10-19 22:29:56,716 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1486 transitions. Word has length 123 [2020-10-19 22:29:56,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:56,717 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1486 transitions. [2020-10-19 22:29:56,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:56,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1486 transitions. [2020-10-19 22:29:56,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-19 22:29:56,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:56,720 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:29:56,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 22:29:56,721 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:56,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:56,722 INFO L82 PathProgramCache]: Analyzing trace with hash -181892940, now seen corresponding path program 1 times [2020-10-19 22:29:56,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:56,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518996818] [2020-10-19 22:29:56,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:56,807 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 48 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-19 22:29:56,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518996818] [2020-10-19 22:29:56,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217311067] [2020-10-19 22:29:56,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:29:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:56,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:29:56,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:29:57,034 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-19 22:29:57,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:29:57,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:29:57,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943882805] [2020-10-19 22:29:57,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:57,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:57,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:57,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:29:57,038 INFO L87 Difference]: Start difference. First operand 1314 states and 1486 transitions. Second operand 3 states. [2020-10-19 22:29:57,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:57,861 INFO L93 Difference]: Finished difference Result 3674 states and 4173 transitions. [2020-10-19 22:29:57,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:57,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-10-19 22:29:57,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:57,878 INFO L225 Difference]: With dead ends: 3674 [2020-10-19 22:29:57,879 INFO L226 Difference]: Without dead ends: 2362 [2020-10-19 22:29:57,882 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:29:57,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-10-19 22:29:57,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2100. [2020-10-19 22:29:57,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2020-10-19 22:29:57,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2358 transitions. [2020-10-19 22:29:57,937 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2358 transitions. Word has length 127 [2020-10-19 22:29:57,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:57,938 INFO L481 AbstractCegarLoop]: Abstraction has 2100 states and 2358 transitions. [2020-10-19 22:29:57,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:57,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2358 transitions. [2020-10-19 22:29:57,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-19 22:29:57,943 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:57,943 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:29:58,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-10-19 22:29:58,160 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:58,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:58,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1028753721, now seen corresponding path program 1 times [2020-10-19 22:29:58,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:58,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500204829] [2020-10-19 22:29:58,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:58,310 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 64 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-19 22:29:58,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500204829] [2020-10-19 22:29:58,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963348535] [2020-10-19 22:29:58,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:29:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:58,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 22:29:58,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:29:58,566 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:29:58,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:29:58,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 6 [2020-10-19 22:29:58,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942417806] [2020-10-19 22:29:58,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 22:29:58,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:58,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 22:29:58,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:29:58,569 INFO L87 Difference]: Start difference. First operand 2100 states and 2358 transitions. Second operand 4 states. [2020-10-19 22:29:59,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:59,583 INFO L93 Difference]: Finished difference Result 5377 states and 6030 transitions. [2020-10-19 22:29:59,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 22:29:59,584 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 144 [2020-10-19 22:29:59,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:59,598 INFO L225 Difference]: With dead ends: 5377 [2020-10-19 22:29:59,598 INFO L226 Difference]: Without dead ends: 2886 [2020-10-19 22:29:59,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:29:59,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2020-10-19 22:29:59,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 1707. [2020-10-19 22:29:59,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2020-10-19 22:29:59,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1891 transitions. [2020-10-19 22:29:59,662 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1891 transitions. Word has length 144 [2020-10-19 22:29:59,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:59,662 INFO L481 AbstractCegarLoop]: Abstraction has 1707 states and 1891 transitions. [2020-10-19 22:29:59,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 22:29:59,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1891 transitions. [2020-10-19 22:29:59,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-19 22:29:59,666 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:59,667 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:29:59,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:29:59,880 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:59,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:59,881 INFO L82 PathProgramCache]: Analyzing trace with hash 2045908626, now seen corresponding path program 1 times [2020-10-19 22:29:59,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:59,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018379719] [2020-10-19 22:29:59,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:00,031 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 109 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:30:00,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018379719] [2020-10-19 22:30:00,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139564157] [2020-10-19 22:30:00,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:30:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:00,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 22:30:00,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:30:00,234 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-19 22:30:00,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:30:00,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 22:30:00,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695239755] [2020-10-19 22:30:00,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:00,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:00,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:00,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:30:00,237 INFO L87 Difference]: Start difference. First operand 1707 states and 1891 transitions. Second operand 3 states. [2020-10-19 22:30:01,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:01,057 INFO L93 Difference]: Finished difference Result 3543 states and 3940 transitions. [2020-10-19 22:30:01,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:01,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-10-19 22:30:01,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:01,083 INFO L225 Difference]: With dead ends: 3543 [2020-10-19 22:30:01,083 INFO L226 Difference]: Without dead ends: 1969 [2020-10-19 22:30:01,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:30:01,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2020-10-19 22:30:01,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1838. [2020-10-19 22:30:01,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2020-10-19 22:30:01,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2042 transitions. [2020-10-19 22:30:01,147 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2042 transitions. Word has length 161 [2020-10-19 22:30:01,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:01,147 INFO L481 AbstractCegarLoop]: Abstraction has 1838 states and 2042 transitions. [2020-10-19 22:30:01,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:01,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2042 transitions. [2020-10-19 22:30:01,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-19 22:30:01,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:01,157 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:30:01,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:30:01,370 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:01,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:01,371 INFO L82 PathProgramCache]: Analyzing trace with hash 591842135, now seen corresponding path program 1 times [2020-10-19 22:30:01,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:01,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777329358] [2020-10-19 22:30:01,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:01,566 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 66 proven. 3 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2020-10-19 22:30:01,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777329358] [2020-10-19 22:30:01,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206576814] [2020-10-19 22:30:01,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:30:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:01,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:30:01,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:30:01,838 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-19 22:30:01,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:30:01,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:30:01,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763182788] [2020-10-19 22:30:01,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:01,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:01,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:01,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:30:01,842 INFO L87 Difference]: Start difference. First operand 1838 states and 2042 transitions. Second operand 3 states. [2020-10-19 22:30:02,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:02,400 INFO L93 Difference]: Finished difference Result 3805 states and 4238 transitions. [2020-10-19 22:30:02,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:02,401 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2020-10-19 22:30:02,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:02,410 INFO L225 Difference]: With dead ends: 3805 [2020-10-19 22:30:02,411 INFO L226 Difference]: Without dead ends: 2100 [2020-10-19 22:30:02,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:30:02,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2020-10-19 22:30:02,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 2100. [2020-10-19 22:30:02,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2020-10-19 22:30:02,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2309 transitions. [2020-10-19 22:30:02,492 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2309 transitions. Word has length 186 [2020-10-19 22:30:02,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:02,493 INFO L481 AbstractCegarLoop]: Abstraction has 2100 states and 2309 transitions. [2020-10-19 22:30:02,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:02,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2309 transitions. [2020-10-19 22:30:02,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-19 22:30:02,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:02,499 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:30:02,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:30:02,714 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:02,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:02,714 INFO L82 PathProgramCache]: Analyzing trace with hash 951927834, now seen corresponding path program 1 times [2020-10-19 22:30:02,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:02,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012207190] [2020-10-19 22:30:02,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:02,812 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 108 proven. 3 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2020-10-19 22:30:02,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012207190] [2020-10-19 22:30:02,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936906544] [2020-10-19 22:30:02,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:30:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:02,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:30:02,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:30:02,990 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-19 22:30:02,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:30:02,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:30:02,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586506277] [2020-10-19 22:30:02,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:02,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:02,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:02,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:30:02,993 INFO L87 Difference]: Start difference. First operand 2100 states and 2309 transitions. Second operand 3 states. [2020-10-19 22:30:03,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:03,507 INFO L93 Difference]: Finished difference Result 4198 states and 4633 transitions. [2020-10-19 22:30:03,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:03,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2020-10-19 22:30:03,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:03,517 INFO L225 Difference]: With dead ends: 4198 [2020-10-19 22:30:03,517 INFO L226 Difference]: Without dead ends: 2231 [2020-10-19 22:30:03,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:30:03,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2020-10-19 22:30:03,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2231. [2020-10-19 22:30:03,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-10-19 22:30:03,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2417 transitions. [2020-10-19 22:30:03,563 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2417 transitions. Word has length 200 [2020-10-19 22:30:03,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:03,564 INFO L481 AbstractCegarLoop]: Abstraction has 2231 states and 2417 transitions. [2020-10-19 22:30:03,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:03,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2417 transitions. [2020-10-19 22:30:03,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-19 22:30:03,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:03,570 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:30:03,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-19 22:30:03,783 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:03,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:03,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1422739696, now seen corresponding path program 1 times [2020-10-19 22:30:03,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:03,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69240871] [2020-10-19 22:30:03,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:03,895 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 115 proven. 3 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2020-10-19 22:30:03,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69240871] [2020-10-19 22:30:03,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24142024] [2020-10-19 22:30:03,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:30:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:04,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:30:04,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:30:04,047 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-19 22:30:04,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:30:04,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:30:04,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386739849] [2020-10-19 22:30:04,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:04,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:04,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:04,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:30:04,050 INFO L87 Difference]: Start difference. First operand 2231 states and 2417 transitions. Second operand 3 states. [2020-10-19 22:30:04,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:04,695 INFO L93 Difference]: Finished difference Result 4722 states and 5151 transitions. [2020-10-19 22:30:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:04,695 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2020-10-19 22:30:04,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:04,706 INFO L225 Difference]: With dead ends: 4722 [2020-10-19 22:30:04,706 INFO L226 Difference]: Without dead ends: 2624 [2020-10-19 22:30:04,709 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:30:04,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2020-10-19 22:30:04,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2362. [2020-10-19 22:30:04,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-10-19 22:30:04,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2573 transitions. [2020-10-19 22:30:04,762 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2573 transitions. Word has length 203 [2020-10-19 22:30:04,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:04,763 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2573 transitions. [2020-10-19 22:30:04,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:04,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2573 transitions. [2020-10-19 22:30:04,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-19 22:30:04,769 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:04,770 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:30:04,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:30:04,983 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:04,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:04,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1439792075, now seen corresponding path program 1 times [2020-10-19 22:30:04,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:04,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707125795] [2020-10-19 22:30:04,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 22:30:05,079 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 22:30:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 22:30:05,169 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 22:30:05,260 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 22:30:05,261 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 22:30:05,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-19 22:30:05,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:30:05 BoogieIcfgContainer [2020-10-19 22:30:05,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:30:05,547 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:30:05,547 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:30:05,547 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:30:05,548 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:29:50" (3/4) ... [2020-10-19 22:30:05,552 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-19 22:30:05,837 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:30:05,837 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:30:05,840 INFO L168 Benchmark]: Toolchain (without parser) took 17524.31 ms. Allocated memory was 41.9 MB in the beginning and 162.0 MB in the end (delta: 120.1 MB). Free memory was 20.6 MB in the beginning and 75.9 MB in the end (delta: -55.3 MB). Peak memory consumption was 64.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:30:05,841 INFO L168 Benchmark]: CDTParser took 0.95 ms. Allocated memory is still 32.0 MB. Free memory was 10.1 MB in the beginning and 10.0 MB in the end (delta: 47.6 kB). Peak memory consumption was 47.6 kB. Max. memory is 14.3 GB. [2020-10-19 22:30:05,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.78 ms. Allocated memory was 41.9 MB in the beginning and 44.6 MB in the end (delta: 2.6 MB). Free memory was 19.7 MB in the beginning and 19.7 MB in the end (delta: -36.0 kB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:30:05,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.30 ms. Allocated memory is still 44.6 MB. Free memory was 19.7 MB in the beginning and 13.8 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 14.3 GB. [2020-10-19 22:30:05,842 INFO L168 Benchmark]: Boogie Preprocessor took 79.12 ms. Allocated memory is still 44.6 MB. Free memory was 13.8 MB in the beginning and 24.0 MB in the end (delta: -10.2 MB). Peak memory consumption was 6.8 MB. Max. memory is 14.3 GB. [2020-10-19 22:30:05,843 INFO L168 Benchmark]: RCFGBuilder took 1452.09 ms. Allocated memory was 44.6 MB in the beginning and 56.1 MB in the end (delta: 11.5 MB). Free memory was 24.0 MB in the beginning and 26.8 MB in the end (delta: -2.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 14.3 GB. [2020-10-19 22:30:05,843 INFO L168 Benchmark]: TraceAbstraction took 14948.69 ms. Allocated memory was 56.1 MB in the beginning and 162.0 MB in the end (delta: 105.9 MB). Free memory was 26.3 MB in the beginning and 117.2 MB in the end (delta: -90.9 MB). Peak memory consumption was 125.2 MB. Max. memory is 14.3 GB. [2020-10-19 22:30:05,844 INFO L168 Benchmark]: Witness Printer took 290.43 ms. Allocated memory is still 162.0 MB. Free memory was 117.2 MB in the beginning and 75.9 MB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 14.3 GB. [2020-10-19 22:30:05,848 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95 ms. Allocated memory is still 32.0 MB. Free memory was 10.1 MB in the beginning and 10.0 MB in the end (delta: 47.6 kB). Peak memory consumption was 47.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 646.78 ms. Allocated memory was 41.9 MB in the beginning and 44.6 MB in the end (delta: 2.6 MB). Free memory was 19.7 MB in the beginning and 19.7 MB in the end (delta: -36.0 kB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 97.30 ms. Allocated memory is still 44.6 MB. Free memory was 19.7 MB in the beginning and 13.8 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 79.12 ms. Allocated memory is still 44.6 MB. Free memory was 13.8 MB in the beginning and 24.0 MB in the end (delta: -10.2 MB). Peak memory consumption was 6.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1452.09 ms. Allocated memory was 44.6 MB in the beginning and 56.1 MB in the end (delta: 11.5 MB). Free memory was 24.0 MB in the beginning and 26.8 MB in the end (delta: -2.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 14948.69 ms. Allocated memory was 56.1 MB in the beginning and 162.0 MB in the end (delta: 105.9 MB). Free memory was 26.3 MB in the beginning and 117.2 MB in the end (delta: -90.9 MB). Peak memory consumption was 125.2 MB. Max. memory is 14.3 GB. * Witness Printer took 290.43 ms. Allocated memory is still 162.0 MB. Free memory was 117.2 MB in the beginning and 75.9 MB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L9] int a= 1; [L10] int d= 4; [L11] int e= 5; [L12] int f= 6; [L13] int c= 3; [L14] int b= 2; [L17] int u = 21; [L18] int v = 22; [L19] int w = 23; [L20] int x = 24; [L21] int y = 25; [L22] int z = 26; [L24] int a17 = 1; [L25] int a7 = 0; [L26] int a20 = 1; [L27] int a8 = 15; [L28] int a12 = 8; [L29] int a16 = 5; [L30] int a21 = 1; VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L582] int output = -1; VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L585] COND TRUE 1 [L588] int input; [L589] input = __VERIFIER_nondet_int() [L590] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L33] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L37] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L45] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L51] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L56] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L64] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L67] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L74] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L82] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L86] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L94] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L99] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L104] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L110] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L116] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L121] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L126] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L131] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L138] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L142] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L146] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L150] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L154] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L162] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L167] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L175] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L180] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L188] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L191] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L196] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L199] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L205] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L210] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L216] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L220] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L225] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L233] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L240] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L247] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L252] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L258] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L263] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L267] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L270] COND FALSE !((((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L275] COND FALSE !(((a7==1)&&((a8==13)&&((a12==8)&&(!(a21==1)&&((input==2)&&((((a20==1)&&!(a17==1))&&(a16==6))||(((a17==1)&&!(a20==1))&&(a16==4))))))))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L280] COND FALSE !((((((((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15))&&(a16==6))&&(a21==1))||((((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))&&(a16==4))&&!(a21==1)))&&(input==6))&&(a12==8))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L288] COND FALSE !(((!(a7==1)&&(!(a17==1)&&(((((input==3)&&(a21==1))&&(a16==4))&&(a8==15))&&(a12==8))))&&!(a20==1))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L294] COND FALSE !((((((a12==8)&&(((((a17==1)&&!(a20==1))&&(a16==4))||((((a20==1)&&!(a17==1))&&(a16==5))||((!(a17==1)&&(a20==1))&&(a16==6))))&&(input==3)))&&(a8==15))&&(a21==1))&&!(a7==1))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L301] COND FALSE !((((!(a7==1)&&(((input==5)&&((((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a12==8)))&&(a21==1))&&(a8==15))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L308] COND FALSE !(((!(a7==1)&&(((a21==1)&&(((a17==1)&&((a12==8)&&(input==2)))&&!(a20==1)))&&(a16==6)))&&(a8==15))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L314] COND FALSE !(((!(a17==1)&&((a21==1)&&((!(a20==1)&&((a12==8)&&((input==3)&&!(a7==1))))&&(a8==15))))&&(a16==5))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L318] COND FALSE !((((a16==5)&&(!(a20==1)&&(((((input==6)&&(a21==1))&&(a17==1))&&!(a7==1))&&(a12==8))))&&(a8==15))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L320] COND FALSE !((!(a7==1)&&((a17==1)&&(((a16==6)&&(!(a20==1)&&(((input==6)&&(a12==8))&&(a21==1))))&&(a8==15))))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L326] COND FALSE !(((((a21==1)&&((a8==15)&&((a12==8)&&(!(a7==1)&&(!(a17==1)&&(input==2))))))&&(a16==4))&&(a20==1))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L331] COND FALSE !(((a8==15)&&(((a16==4)&&((a12==8)&&((!(a20==1)&&(!(a7==1)&&(input==1)))&&!(a17==1))))&&(a21==1)))) VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L335] COND TRUE ((a21==1)&&(((a12==8)&&((((a17==1)&&((input==3)&&((a16==5)||(a16==6))))&&!(a7==1))&&(a20==1)))&&(a8==15))) [L336] a17 = 0 [L337] a16 = 4 [L338] return 21; VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L593] output = calculate_output(input) [L585] COND TRUE 1 [L588] int input; [L589] input = __VERIFIER_nondet_int() [L590] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L33] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L37] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L45] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L51] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L56] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L64] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L67] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L74] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L82] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L86] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L94] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L99] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L104] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L110] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L116] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L121] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L126] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L131] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L138] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L142] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L146] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L150] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L154] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L162] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L167] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L175] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L180] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L188] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L191] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L196] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L199] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L205] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L210] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L216] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L220] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L225] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L233] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L240] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L247] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L252] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L258] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L263] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L267] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) VAL [a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L270] COND TRUE (((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4)) [L271] a20 = 0 [L272] a17 = 1 [L273] a16 = 6 [L274] return 21; VAL [a=1, a12=8, a16=6, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L593] output = calculate_output(input) [L585] COND TRUE 1 [L588] int input; [L589] input = __VERIFIER_nondet_int() [L590] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L33] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) VAL [a=1, a12=8, a16=6, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L37] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) VAL [a=1, a12=8, a16=6, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L45] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) VAL [a=1, a12=8, a16=6, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L51] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) VAL [a=1, a12=8, a16=6, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L56] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) VAL [a=1, a12=8, a16=6, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L64] COND TRUE (((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6)) [L65] a17 = 0 [L66] return 26; VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L593] output = calculate_output(input) [L585] COND TRUE 1 [L588] int input; [L589] input = __VERIFIER_nondet_int() [L590] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L33] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L37] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L45] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L51] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L56] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L64] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L67] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L74] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L82] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L86] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L94] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L99] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L104] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L110] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L116] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L121] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L126] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L131] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L138] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L142] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L146] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L150] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L154] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L162] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L167] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L175] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) VAL [a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L180] COND TRUE ((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8)) [L181] a17 = 0 [L182] a16 = 5 [L183] a21 = 1 [L184] a8 = 14 [L185] a7 = 1 [L186] a20 = 1 [L187] return -1; VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L593] output = calculate_output(input) [L585] COND TRUE 1 [L588] int input; [L589] input = __VERIFIER_nondet_int() [L590] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L33] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L37] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L45] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L51] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L56] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L64] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L67] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L74] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L82] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L86] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L94] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L99] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L104] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L110] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L116] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L121] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L126] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L131] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L138] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L142] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L146] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L150] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L154] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L162] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L167] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L175] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L180] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L188] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L191] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L196] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L199] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L205] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L210] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L216] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L220] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L225] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L233] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L240] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L247] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L252] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L258] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L263] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L267] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L270] COND FALSE !((((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L275] COND FALSE !(((a7==1)&&((a8==13)&&((a12==8)&&(!(a21==1)&&((input==2)&&((((a20==1)&&!(a17==1))&&(a16==6))||(((a17==1)&&!(a20==1))&&(a16==4))))))))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L280] COND FALSE !((((((((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15))&&(a16==6))&&(a21==1))||((((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))&&(a16==4))&&!(a21==1)))&&(input==6))&&(a12==8))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L288] COND FALSE !(((!(a7==1)&&(!(a17==1)&&(((((input==3)&&(a21==1))&&(a16==4))&&(a8==15))&&(a12==8))))&&!(a20==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L294] COND FALSE !((((((a12==8)&&(((((a17==1)&&!(a20==1))&&(a16==4))||((((a20==1)&&!(a17==1))&&(a16==5))||((!(a17==1)&&(a20==1))&&(a16==6))))&&(input==3)))&&(a8==15))&&(a21==1))&&!(a7==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L301] COND FALSE !((((!(a7==1)&&(((input==5)&&((((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a12==8)))&&(a21==1))&&(a8==15))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L308] COND FALSE !(((!(a7==1)&&(((a21==1)&&(((a17==1)&&((a12==8)&&(input==2)))&&!(a20==1)))&&(a16==6)))&&(a8==15))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L314] COND FALSE !(((!(a17==1)&&((a21==1)&&((!(a20==1)&&((a12==8)&&((input==3)&&!(a7==1))))&&(a8==15))))&&(a16==5))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L318] COND FALSE !((((a16==5)&&(!(a20==1)&&(((((input==6)&&(a21==1))&&(a17==1))&&!(a7==1))&&(a12==8))))&&(a8==15))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L320] COND FALSE !((!(a7==1)&&((a17==1)&&(((a16==6)&&(!(a20==1)&&(((input==6)&&(a12==8))&&(a21==1))))&&(a8==15))))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L326] COND FALSE !(((((a21==1)&&((a8==15)&&((a12==8)&&(!(a7==1)&&(!(a17==1)&&(input==2))))))&&(a16==4))&&(a20==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L331] COND FALSE !(((a8==15)&&(((a16==4)&&((a12==8)&&((!(a20==1)&&(!(a7==1)&&(input==1)))&&!(a17==1))))&&(a21==1)))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L335] COND FALSE !(((a21==1)&&(((a12==8)&&((((a17==1)&&((input==3)&&((a16==5)||(a16==6))))&&!(a7==1))&&(a20==1)))&&(a8==15)))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L339] COND FALSE !((!(a21==1)&&((a20==1)&&(((a12==8)&&((a8==13)&&((((a16==5)&&!(a17==1))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==2))))&&(a7==1))))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L347] COND FALSE !(((a7==1)&&((a12==8)&&((((a20==1)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||((a16==4)&&!(a17==1))))&&(input==4)))&&(a8==13))&&!(a21==1))))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L355] COND FALSE !(((a21==1)&&((((!(a7==1)&&((a8==15)&&(!(a20==1)&&(input==4))))&&(a17==1))&&(a16==5))&&(a12==8)))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L357] COND FALSE !((((!(a7==1)&&((!(a20==1)&&((a21==1)&&((input==3)&&(a17==1))))&&(a8==15)))&&(a12==8))&&(a16==5))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L363] COND FALSE !(((((!(a17==1)&&(!(a20==1)&&((a8==15)&&((input==1)&&(a16==5)))))&&(a12==8))&&(a21==1))&&!(a7==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L365] COND FALSE !(((((a21==1)&&((a8==15)&&(((a16==5)&&((a12==8)&&(input==1)))&&(a17==1))))&&!(a7==1))&&!(a20==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L367] COND FALSE !(((!(a21==1)&&((a20==1)&&((((a8==13)&&((a7==1)&&(input==5)))&&(a17==1))&&(a12==8))))&&(a16==5))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L374] COND FALSE !((((!(a7==1)&&((a21==1)&&((((input==6)&&(a20==1))&&(a8==15))&&!(a17==1))))&&(a12==8))&&(a16==4))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L379] COND FALSE !(((((a20==1)&&(((!(a21==1)&&((a7==1)&&(input==1)))&&(a8==13))&&(a17==1)))&&(a12==8))&&(a16==5))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L384] COND FALSE !(((a12==8)&&((input==5)&&((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==15))&&(a16==6))&&(a21==1))||(!(a21==1)&&((a16==4)&&(((a20==1)&&((a7==1)&&(a17==1)))&&(a8==13)))))))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L393] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L396] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L399] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L402] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L405] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L408] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==5))&&(a21==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L411] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L414] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L417] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L420] COND TRUE ((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1)) VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L4] __assert_fail("0", "Problem01_label15.c", 4, "reach_error") VAL [a=1, a12=8, a16=5, a17=0, a20=1, a21=1, a7=1, a8=14, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 14.5s, OverallIterations: 13, TraceHistogramMax: 6, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 845 SDtfs, 1326 SDslu, 69 SDs, 0 SdLazy, 4096 SolverSat, 619 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1047 GetRequests, 1021 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2362occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 2227 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2839 NumberOfCodeBlocks, 2839 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2595 ConstructedInterpolants, 0 QuantifiedInterpolants, 891911 SizeOfPredicates, 1 NumberOfNonLiveVariables, 2227 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 2026/2047 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...