/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label44.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 01:21:09,918 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-21 01:21:09,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 01:21:09,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 01:21:09,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 01:21:09,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 01:21:09,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 01:21:09,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 01:21:09,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 01:21:09,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 01:21:09,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 01:21:09,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 01:21:09,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 01:21:09,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 01:21:09,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 01:21:10,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 01:21:10,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 01:21:10,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 01:21:10,003 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 01:21:10,031 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 01:21:10,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 01:21:10,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 01:21:10,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 01:21:10,034 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 01:21:10,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 01:21:10,035 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 01:21:10,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 01:21:10,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 01:21:10,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 01:21:10,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 01:21:10,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 01:21:10,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 01:21:10,037 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 01:21:10,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 01:21:10,038 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 01:21:10,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 01:21:10,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 01:21:10,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 01:21:10,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 01:21:10,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 01:21:10,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 01:21:10,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 01:21:10,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 01:21:10,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 01:21:10,044 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 01:21:10,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:10,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 01:21:10,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 01:21:10,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 01:21:10,379 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 01:21:10,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 01:21:10,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 01:21:10,400 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 01:21:10,400 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 01:21:10,401 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label44.c [2020-07-21 01:21:10,474 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6178d3067/1005eaa8d6254919b113055e3aed4ad7/FLAG1bcca300e [2020-07-21 01:21:11,021 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 01:21:11,022 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label44.c [2020-07-21 01:21:11,033 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6178d3067/1005eaa8d6254919b113055e3aed4ad7/FLAG1bcca300e [2020-07-21 01:21:11,248 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6178d3067/1005eaa8d6254919b113055e3aed4ad7 [2020-07-21 01:21:11,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 01:21:11,260 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 01:21:11,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 01:21:11,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 01:21:11,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 01:21:11,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:21:11" (1/1) ... [2020-07-21 01:21:11,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eafe90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:21:11, skipping insertion in model container [2020-07-21 01:21:11,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:21:11" (1/1) ... [2020-07-21 01:21:11,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 01:21:11,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 01:21:11,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:21:11,865 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 01:21:11,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:21:11,988 INFO L208 MainTranslator]: Completed translation [2020-07-21 01:21:11,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:21:11 WrapperNode [2020-07-21 01:21:11,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 01:21:11,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 01:21:11,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 01:21:11,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 01:21:12,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:21:11" (1/1) ... [2020-07-21 01:21:12,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:21:11" (1/1) ... [2020-07-21 01:21:12,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:21:11" (1/1) ... [2020-07-21 01:21:12,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:21:11" (1/1) ... [2020-07-21 01:21:12,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:21:11" (1/1) ... [2020-07-21 01:21:12,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:21:11" (1/1) ... [2020-07-21 01:21:12,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:21:11" (1/1) ... [2020-07-21 01:21:12,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 01:21:12,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 01:21:12,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 01:21:12,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 01:21:12,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:21:11" (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 [2020-07-21 01:21:12,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 01:21:12,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 01:21:12,190 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 01:21:12,190 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 01:21:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 01:21:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 01:21:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 01:21:12,193 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 01:21:12,193 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 01:21:12,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 01:21:12,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 01:21:13,372 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 01:21:13,372 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 01:21:13,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:21:13 BoogieIcfgContainer [2020-07-21 01:21:13,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 01:21:13,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 01:21:13,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 01:21:13,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 01:21:13,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:21:11" (1/3) ... [2020-07-21 01:21:13,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44db954e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:21:13, skipping insertion in model container [2020-07-21 01:21:13,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:21:11" (2/3) ... [2020-07-21 01:21:13,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44db954e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:21:13, skipping insertion in model container [2020-07-21 01:21:13,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:21:13" (3/3) ... [2020-07-21 01:21:13,393 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label44.c [2020-07-21 01:21:13,404 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 01:21:13,417 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 01:21:13,432 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 01:21:13,466 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 01:21:13,467 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 01:21:13,467 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 01:21:13,467 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 01:21:13,468 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 01:21:13,468 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 01:21:13,468 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 01:21:13,468 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 01:21:13,496 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-21 01:21:13,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-21 01:21:13,513 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:21:13,514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:21:13,514 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:21:13,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:21:13,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1855725642, now seen corresponding path program 1 times [2020-07-21 01:21:13,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:21:13,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1380810047] [2020-07-21 01:21:13,532 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:13,705 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:21:13,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:21:13,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 68 conjunts are in the unsatisfiable core [2020-07-21 01:21:13,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:21:14,037 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2020-07-21 01:21:14,187 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2020-07-21 01:21:14,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:21:14,567 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:21:14,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1380810047] [2020-07-21 01:21:14,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:21:14,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-21 01:21:14,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916576387] [2020-07-21 01:21:14,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-21 01:21:14,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:21:14,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-21 01:21:14,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-07-21 01:21:14,594 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 11 states. [2020-07-21 01:21:16,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:21:16,328 INFO L93 Difference]: Finished difference Result 472 states and 791 transitions. [2020-07-21 01:21:16,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 01:21:16,331 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 90 [2020-07-21 01:21:16,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:21:16,345 INFO L225 Difference]: With dead ends: 472 [2020-07-21 01:21:16,345 INFO L226 Difference]: Without dead ends: 203 [2020-07-21 01:21:16,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=102, Invalid=170, Unknown=0, NotChecked=0, Total=272 [2020-07-21 01:21:16,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-07-21 01:21:16,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2020-07-21 01:21:16,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-07-21 01:21:16,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 275 transitions. [2020-07-21 01:21:16,410 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 275 transitions. Word has length 90 [2020-07-21 01:21:16,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:21:16,411 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 275 transitions. [2020-07-21 01:21:16,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-21 01:21:16,412 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 275 transitions. [2020-07-21 01:21:16,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-21 01:21:16,417 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:21:16,417 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:21:16,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:16,633 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:21:16,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:21:16,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1107181265, now seen corresponding path program 1 times [2020-07-21 01:21:16,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:21:16,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069589647] [2020-07-21 01:21:16,636 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:16,737 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:21:16,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:21:16,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:21:16,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:21:16,775 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:21:16,775 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:21:16,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069589647] [2020-07-21 01:21:16,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:21:16,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:21:16,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035100190] [2020-07-21 01:21:16,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:21:16,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:21:16,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:21:16,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:21:16,780 INFO L87 Difference]: Start difference. First operand 203 states and 275 transitions. Second operand 3 states. [2020-07-21 01:21:17,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:21:17,328 INFO L93 Difference]: Finished difference Result 475 states and 684 transitions. [2020-07-21 01:21:17,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:21:17,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-07-21 01:21:17,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:21:17,346 INFO L225 Difference]: With dead ends: 475 [2020-07-21 01:21:17,347 INFO L226 Difference]: Without dead ends: 338 [2020-07-21 01:21:17,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:21:17,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-07-21 01:21:17,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2020-07-21 01:21:17,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-07-21 01:21:17,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 467 transitions. [2020-07-21 01:21:17,411 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 467 transitions. Word has length 98 [2020-07-21 01:21:17,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:21:17,415 INFO L479 AbstractCegarLoop]: Abstraction has 338 states and 467 transitions. [2020-07-21 01:21:17,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:21:17,416 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 467 transitions. [2020-07-21 01:21:17,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-07-21 01:21:17,427 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:21:17,427 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:21:17,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:17,643 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:21:17,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:21:17,644 INFO L82 PathProgramCache]: Analyzing trace with hash 2111365455, now seen corresponding path program 1 times [2020-07-21 01:21:17,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:21:17,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [48997245] [2020-07-21 01:21:17,646 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:17,745 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:21:17,745 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:21:17,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 01:21:17,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:21:17,776 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:21:17,776 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:21:17,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [48997245] [2020-07-21 01:21:17,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:21:17,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:21:17,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257328299] [2020-07-21 01:21:17,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:21:17,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:21:17,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:21:17,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:21:17,779 INFO L87 Difference]: Start difference. First operand 338 states and 467 transitions. Second operand 3 states. [2020-07-21 01:21:18,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:21:18,372 INFO L93 Difference]: Finished difference Result 880 states and 1267 transitions. [2020-07-21 01:21:18,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:21:18,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2020-07-21 01:21:18,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:21:18,381 INFO L225 Difference]: With dead ends: 880 [2020-07-21 01:21:18,381 INFO L226 Difference]: Without dead ends: 608 [2020-07-21 01:21:18,383 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:21:18,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2020-07-21 01:21:18,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 608. [2020-07-21 01:21:18,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 608 states. [2020-07-21 01:21:18,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 826 transitions. [2020-07-21 01:21:18,448 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 826 transitions. Word has length 101 [2020-07-21 01:21:18,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:21:18,449 INFO L479 AbstractCegarLoop]: Abstraction has 608 states and 826 transitions. [2020-07-21 01:21:18,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:21:18,450 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 826 transitions. [2020-07-21 01:21:18,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-21 01:21:18,459 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:21:18,460 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:21:18,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:18,674 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:21:18,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:21:18,675 INFO L82 PathProgramCache]: Analyzing trace with hash -47472200, now seen corresponding path program 1 times [2020-07-21 01:21:18,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:21:18,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [937863688] [2020-07-21 01:21:18,676 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:18,787 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:21:18,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:21:18,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:21:18,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:21:18,857 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:21:18,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:21:18,996 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:21:18,997 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [937863688] [2020-07-21 01:21:18,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:21:18,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:21:18,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476534159] [2020-07-21 01:21:19,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:21:19,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:21:19,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:21:19,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:21:19,002 INFO L87 Difference]: Start difference. First operand 608 states and 826 transitions. Second operand 7 states. [2020-07-21 01:21:20,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:21:20,374 INFO L93 Difference]: Finished difference Result 2139 states and 3096 transitions. [2020-07-21 01:21:20,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 01:21:20,375 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2020-07-21 01:21:20,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:21:20,390 INFO L225 Difference]: With dead ends: 2139 [2020-07-21 01:21:20,390 INFO L226 Difference]: Without dead ends: 1597 [2020-07-21 01:21:20,393 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 241 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-21 01:21:20,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1597 states. [2020-07-21 01:21:20,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1597 to 1581. [2020-07-21 01:21:20,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1581 states. [2020-07-21 01:21:20,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2096 transitions. [2020-07-21 01:21:20,485 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2096 transitions. Word has length 123 [2020-07-21 01:21:20,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:21:20,487 INFO L479 AbstractCegarLoop]: Abstraction has 1581 states and 2096 transitions. [2020-07-21 01:21:20,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:21:20,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2096 transitions. [2020-07-21 01:21:20,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-07-21 01:21:20,494 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:21:20,494 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:21:20,707 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:20,708 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:21:20,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:21:20,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1472223214, now seen corresponding path program 1 times [2020-07-21 01:21:20,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:21:20,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1338532298] [2020-07-21 01:21:20,710 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:20,842 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:21:20,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:21:20,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 01:21:20,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:21:20,905 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:21:20,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:21:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:21:20,969 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1338532298] [2020-07-21 01:21:20,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:21:20,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:21:20,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923564699] [2020-07-21 01:21:20,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:21:20,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:21:20,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:21:20,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:21:20,974 INFO L87 Difference]: Start difference. First operand 1581 states and 2096 transitions. Second operand 7 states. [2020-07-21 01:21:21,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:21:21,886 INFO L93 Difference]: Finished difference Result 3547 states and 4872 transitions. [2020-07-21 01:21:21,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 01:21:21,887 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2020-07-21 01:21:21,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:21:21,903 INFO L225 Difference]: With dead ends: 3547 [2020-07-21 01:21:21,903 INFO L226 Difference]: Without dead ends: 2032 [2020-07-21 01:21:21,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 01:21:21,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2032 states. [2020-07-21 01:21:22,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2032 to 1718. [2020-07-21 01:21:22,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1718 states. [2020-07-21 01:21:22,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1718 states and 2285 transitions. [2020-07-21 01:21:22,048 INFO L78 Accepts]: Start accepts. Automaton has 1718 states and 2285 transitions. Word has length 132 [2020-07-21 01:21:22,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:21:22,054 INFO L479 AbstractCegarLoop]: Abstraction has 1718 states and 2285 transitions. [2020-07-21 01:21:22,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:21:22,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2285 transitions. [2020-07-21 01:21:22,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-07-21 01:21:22,064 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:21:22,065 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:21:22,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:22,279 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:21:22,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:21:22,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1414839121, now seen corresponding path program 1 times [2020-07-21 01:21:22,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:21:22,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1969475552] [2020-07-21 01:21:22,281 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:22,382 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 01:21:22,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:21:22,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 01:21:22,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:21:22,420 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 1] term [2020-07-21 01:21:22,421 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 01:21:22,465 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-07-21 01:21:22,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:21:22,688 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2020-07-21 01:21:22,751 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:21:22,756 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:21:22,758 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:21:22,767 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 1] term [2020-07-21 01:21:22,770 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:21:22,772 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 01:21:22,773 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 01:21:22,775 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:21:22,777 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:21:22,778 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:21:22,779 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:21:22,781 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:21:22,783 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:21:22,817 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 01:21:22,903 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 55 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-21 01:21:22,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1969475552] [2020-07-21 01:21:22,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:21:22,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:21:22,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588627576] [2020-07-21 01:21:22,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:21:22,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:21:22,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:21:22,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:21:22,909 INFO L87 Difference]: Start difference. First operand 1718 states and 2285 transitions. Second operand 7 states. [2020-07-21 01:21:24,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:21:24,089 INFO L93 Difference]: Finished difference Result 3811 states and 5172 transitions. [2020-07-21 01:21:24,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 01:21:24,090 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 144 [2020-07-21 01:21:24,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:21:24,101 INFO L225 Difference]: With dead ends: 3811 [2020-07-21 01:21:24,102 INFO L226 Difference]: Without dead ends: 2159 [2020-07-21 01:21:24,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 286 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-07-21 01:21:24,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2159 states. [2020-07-21 01:21:24,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2159 to 1601. [2020-07-21 01:21:24,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1601 states. [2020-07-21 01:21:24,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1601 states and 2101 transitions. [2020-07-21 01:21:24,164 INFO L78 Accepts]: Start accepts. Automaton has 1601 states and 2101 transitions. Word has length 144 [2020-07-21 01:21:24,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:21:24,165 INFO L479 AbstractCegarLoop]: Abstraction has 1601 states and 2101 transitions. [2020-07-21 01:21:24,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:21:24,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 2101 transitions. [2020-07-21 01:21:24,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-07-21 01:21:24,170 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:21:24,170 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:21:24,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:24,386 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:21:24,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:21:24,387 INFO L82 PathProgramCache]: Analyzing trace with hash 16953679, now seen corresponding path program 1 times [2020-07-21 01:21:24,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:21:24,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [238637212] [2020-07-21 01:21:24,388 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:24,487 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 01:21:24,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:21:24,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-21 01:21:24,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:21:24,540 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 54 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-07-21 01:21:24,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:21:24,771 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2020-07-21 01:21:24,820 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 01:21:24,821 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:21:24,822 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 1] term [2020-07-21 01:21:24,823 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:21:24,824 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:21:24,825 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:21:24,826 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 2, 1] term [2020-07-21 01:21:24,826 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 01:21:24,827 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 1] term [2020-07-21 01:21:24,827 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 01:21:24,828 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 1] term [2020-07-21 01:21:24,828 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:21:24,966 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-21 01:21:24,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [238637212] [2020-07-21 01:21:24,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:21:24,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:21:24,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759801496] [2020-07-21 01:21:24,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:21:24,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:21:24,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:21:24,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:21:24,969 INFO L87 Difference]: Start difference. First operand 1601 states and 2101 transitions. Second operand 7 states. [2020-07-21 01:21:26,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:21:26,326 INFO L93 Difference]: Finished difference Result 4631 states and 6135 transitions. [2020-07-21 01:21:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 01:21:26,327 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 147 [2020-07-21 01:21:26,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:21:26,344 INFO L225 Difference]: With dead ends: 4631 [2020-07-21 01:21:26,344 INFO L226 Difference]: Without dead ends: 2542 [2020-07-21 01:21:26,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-07-21 01:21:26,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2542 states. [2020-07-21 01:21:26,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2542 to 2405. [2020-07-21 01:21:26,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2405 states. [2020-07-21 01:21:26,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2405 states and 2899 transitions. [2020-07-21 01:21:26,443 INFO L78 Accepts]: Start accepts. Automaton has 2405 states and 2899 transitions. Word has length 147 [2020-07-21 01:21:26,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:21:26,444 INFO L479 AbstractCegarLoop]: Abstraction has 2405 states and 2899 transitions. [2020-07-21 01:21:26,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:21:26,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 2899 transitions. [2020-07-21 01:21:26,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-21 01:21:26,452 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:21:26,454 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 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, 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] [2020-07-21 01:21:26,668 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:26,669 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:21:26,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:21:26,670 INFO L82 PathProgramCache]: Analyzing trace with hash 94304016, now seen corresponding path program 1 times [2020-07-21 01:21:26,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:21:26,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1700351288] [2020-07-21 01:21:26,671 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:26,764 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 01:21:26,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:21:26,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:21:26,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:21:26,802 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-07-21 01:21:26,802 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:21:26,885 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 69 proven. 24 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-21 01:21:26,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1700351288] [2020-07-21 01:21:26,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:21:26,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:21:26,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99934151] [2020-07-21 01:21:26,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:21:26,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:21:26,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:21:26,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:21:26,888 INFO L87 Difference]: Start difference. First operand 2405 states and 2899 transitions. Second operand 7 states. [2020-07-21 01:21:27,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:21:27,626 INFO L93 Difference]: Finished difference Result 5743 states and 7099 transitions. [2020-07-21 01:21:27,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 01:21:27,627 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 157 [2020-07-21 01:21:27,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:21:27,642 INFO L225 Difference]: With dead ends: 5743 [2020-07-21 01:21:27,642 INFO L226 Difference]: Without dead ends: 3404 [2020-07-21 01:21:27,649 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 308 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 01:21:27,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3404 states. [2020-07-21 01:21:27,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3404 to 2955. [2020-07-21 01:21:27,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2955 states. [2020-07-21 01:21:27,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2955 states to 2955 states and 3574 transitions. [2020-07-21 01:21:27,830 INFO L78 Accepts]: Start accepts. Automaton has 2955 states and 3574 transitions. Word has length 157 [2020-07-21 01:21:27,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:21:27,831 INFO L479 AbstractCegarLoop]: Abstraction has 2955 states and 3574 transitions. [2020-07-21 01:21:27,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:21:27,831 INFO L276 IsEmpty]: Start isEmpty. Operand 2955 states and 3574 transitions. [2020-07-21 01:21:27,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-07-21 01:21:27,843 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:21:27,843 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:21:28,056 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:28,057 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:21:28,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:21:28,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1194366084, now seen corresponding path program 1 times [2020-07-21 01:21:28,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:21:28,058 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [223596791] [2020-07-21 01:21:28,058 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:28,162 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 01:21:28,162 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:21:28,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 01:21:28,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:21:28,190 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2020-07-21 01:21:28,191 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-21 01:21:28,235 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-07-21 01:21:28,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:21:28,396 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 01:21:28,397 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 01:21:28,399 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 01:21:28,399 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 01:21:28,400 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:21:28,424 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 01:21:28,523 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 75 proven. 32 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-21 01:21:28,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [223596791] [2020-07-21 01:21:28,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:21:28,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:21:28,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197391246] [2020-07-21 01:21:28,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:21:28,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:21:28,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:21:28,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:21:28,526 INFO L87 Difference]: Start difference. First operand 2955 states and 3574 transitions. Second operand 7 states. [2020-07-21 01:21:29,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:21:29,496 INFO L93 Difference]: Finished difference Result 6279 states and 7701 transitions. [2020-07-21 01:21:29,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 01:21:29,497 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 163 [2020-07-21 01:21:29,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:21:29,511 INFO L225 Difference]: With dead ends: 6279 [2020-07-21 01:21:29,511 INFO L226 Difference]: Without dead ends: 3390 [2020-07-21 01:21:29,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 322 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-07-21 01:21:29,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3390 states. [2020-07-21 01:21:29,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3390 to 3372. [2020-07-21 01:21:29,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3372 states. [2020-07-21 01:21:29,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3372 states to 3372 states and 4030 transitions. [2020-07-21 01:21:29,635 INFO L78 Accepts]: Start accepts. Automaton has 3372 states and 4030 transitions. Word has length 163 [2020-07-21 01:21:29,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:21:29,636 INFO L479 AbstractCegarLoop]: Abstraction has 3372 states and 4030 transitions. [2020-07-21 01:21:29,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:21:29,636 INFO L276 IsEmpty]: Start isEmpty. Operand 3372 states and 4030 transitions. [2020-07-21 01:21:29,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-21 01:21:29,645 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:21:29,646 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 01:21:29,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:29,861 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:21:29,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:21:29,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1549867247, now seen corresponding path program 1 times [2020-07-21 01:21:29,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:21:29,863 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [836635141] [2020-07-21 01:21:29,863 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:29,990 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:21:29,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:21:29,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-21 01:21:29,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:21:30,061 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 118 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-07-21 01:21:30,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:21:30,275 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2020-07-21 01:21:30,330 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:21:30,330 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:21:30,333 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:21:30,334 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 1] term [2020-07-21 01:21:30,335 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 01:21:30,336 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 1] term [2020-07-21 01:21:30,336 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:21:30,337 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 2, 1] term [2020-07-21 01:21:30,338 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:21:30,338 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 1] term [2020-07-21 01:21:30,339 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:21:30,455 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 113 proven. 15 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-07-21 01:21:30,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [836635141] [2020-07-21 01:21:30,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:21:30,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:21:30,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510646174] [2020-07-21 01:21:30,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:21:30,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:21:30,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:21:30,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:21:30,457 INFO L87 Difference]: Start difference. First operand 3372 states and 4030 transitions. Second operand 7 states. [2020-07-21 01:21:31,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:21:31,732 INFO L93 Difference]: Finished difference Result 5477 states and 6566 transitions. [2020-07-21 01:21:31,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 01:21:31,733 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 195 [2020-07-21 01:21:31,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:21:31,748 INFO L225 Difference]: With dead ends: 5477 [2020-07-21 01:21:31,749 INFO L226 Difference]: Without dead ends: 3384 [2020-07-21 01:21:31,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 387 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-07-21 01:21:31,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3384 states. [2020-07-21 01:21:31,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3384 to 2161. [2020-07-21 01:21:31,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2161 states. [2020-07-21 01:21:31,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 2161 states and 2520 transitions. [2020-07-21 01:21:31,837 INFO L78 Accepts]: Start accepts. Automaton has 2161 states and 2520 transitions. Word has length 195 [2020-07-21 01:21:31,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:21:31,837 INFO L479 AbstractCegarLoop]: Abstraction has 2161 states and 2520 transitions. [2020-07-21 01:21:31,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:21:31,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2161 states and 2520 transitions. [2020-07-21 01:21:31,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-07-21 01:21:31,845 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:21:31,845 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:21:32,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:32,061 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:21:32,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:21:32,062 INFO L82 PathProgramCache]: Analyzing trace with hash 162442639, now seen corresponding path program 1 times [2020-07-21 01:21:32,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:21:32,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095678362] [2020-07-21 01:21:32,063 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:32,213 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:21:32,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2020-07-21 01:21:32,214 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-21 01:21:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-21 01:21:32,277 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-21 01:21:32,584 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-21 01:21:32,584 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-21 01:21:32,798 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:21:32,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:21:32 BoogieIcfgContainer [2020-07-21 01:21:32,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 01:21:32,978 INFO L168 Benchmark]: Toolchain (without parser) took 21718.96 ms. Allocated memory was 147.8 MB in the beginning and 464.0 MB in the end (delta: 316.1 MB). Free memory was 102.3 MB in the beginning and 160.7 MB in the end (delta: -58.4 MB). Peak memory consumption was 257.7 MB. Max. memory is 7.1 GB. [2020-07-21 01:21:32,979 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 147.8 MB. Free memory was 122.8 MB in the beginning and 122.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 01:21:32,979 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.82 ms. Allocated memory was 147.8 MB in the beginning and 206.6 MB in the end (delta: 58.7 MB). Free memory was 101.9 MB in the beginning and 172.1 MB in the end (delta: -70.2 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2020-07-21 01:21:32,985 INFO L168 Benchmark]: Boogie Preprocessor took 96.40 ms. Allocated memory is still 206.6 MB. Free memory was 172.1 MB in the beginning and 167.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-07-21 01:21:32,985 INFO L168 Benchmark]: RCFGBuilder took 1296.52 ms. Allocated memory was 206.6 MB in the beginning and 234.9 MB in the end (delta: 28.3 MB). Free memory was 167.5 MB in the beginning and 171.8 MB in the end (delta: -4.4 MB). Peak memory consumption was 77.1 MB. Max. memory is 7.1 GB. [2020-07-21 01:21:32,987 INFO L168 Benchmark]: TraceAbstraction took 19591.08 ms. Allocated memory was 234.9 MB in the beginning and 464.0 MB in the end (delta: 229.1 MB). Free memory was 171.8 MB in the beginning and 160.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 240.2 MB. Max. memory is 7.1 GB. [2020-07-21 01:21:32,996 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 147.8 MB. Free memory was 122.8 MB in the beginning and 122.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 728.82 ms. Allocated memory was 147.8 MB in the beginning and 206.6 MB in the end (delta: 58.7 MB). Free memory was 101.9 MB in the beginning and 172.1 MB in the end (delta: -70.2 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.40 ms. Allocated memory is still 206.6 MB. Free memory was 172.1 MB in the beginning and 167.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1296.52 ms. Allocated memory was 206.6 MB in the beginning and 234.9 MB in the end (delta: 28.3 MB). Free memory was 167.5 MB in the beginning and 171.8 MB in the end (delta: -4.4 MB). Peak memory consumption was 77.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19591.08 ms. Allocated memory was 234.9 MB in the beginning and 464.0 MB in the end (delta: 229.1 MB). Free memory was 171.8 MB in the beginning and 160.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 240.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 428]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int a= 1; [L8] int d= 4; [L9] int e= 5; [L10] int f= 6; [L11] int c= 3; [L12] int b= 2; [L15] int u = 21; [L16] int v = 22; [L17] int w = 23; [L18] int x = 24; [L19] int y = 25; [L20] int z = 26; [L22] int a17 = 1; [L23] int a7 = 0; [L24] int a20 = 1; [L25] int a8 = 15; [L26] int a12 = 8; [L27] int a16 = 5; [L28] int a21 = 1; VAL [\old(a)=27, \old(a12)=29, \old(a16)=30, \old(a17)=17, \old(a20)=11, \old(a21)=35, \old(a7)=32, \old(a8)=10, \old(b)=7, \old(c)=19, \old(d)=33, \old(e)=34, \old(f)=12, \old(u)=9, \old(v)=28, \old(w)=16, \old(x)=31, \old(y)=18, \old(z)=20, 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] [L580] int output = -1; VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, 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, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, 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, input=1, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L591] CALL, EXPR calculate_output(input) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=1, 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] [L31] COND TRUE (((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8)) [L32] a16 = 5 [L33] a20 = 0 [L34] return 24; VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=1, \result=24, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L591] RET, EXPR calculate_output(input) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, calculate_output(input)=24, d=4, e=5, f=6, input=1, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, output=24, u=21, v=22, w=23, x=24, y=25, z=26] [L591] CALL, EXPR calculate_output(input) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, 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] [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L35] 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 [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L54] 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 [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L72] 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 [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L80] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L84] 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 [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L92] 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 [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L97] 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 [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L102] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L108] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L114] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L119] 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 [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L124] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L129] 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 [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L136] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L140] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L144] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L148] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L152] 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 [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L160] 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 [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L165] 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 [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L173] 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 [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L178] 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 [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L186] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L189] 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 [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L194] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L197] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L203] 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 [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L208] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L214] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L218] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L223] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L231] 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 [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L238] 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 [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L245] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L250] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L256] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L261] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, a=1, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L265] COND TRUE ((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15))) [L266] a17 = 0 [L267] return 24; VAL [\old(a16)=5, \old(a17)=1, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=2, \result=24, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L591] RET, EXPR calculate_output(input) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, calculate_output(input)=24, d=4, e=5, f=6, input=2, output=24, u=21, v=22, w=23, x=24, y=25, z=26] [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, output=24, u=21, v=22, w=23, x=24, y=25, z=26] [L591] CALL, EXPR calculate_output(input) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, 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] [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L35] 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 [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L54] 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 [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L72] 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 [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L80] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L84] 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 [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L92] 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 [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L97] 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 [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L102] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L108] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L114] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L119] 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 [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L124] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L129] 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 [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L136] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L140] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L144] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L148] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L152] 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 [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L160] 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 [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L165] 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 [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L173] 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 [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L178] 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 [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L186] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L189] 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 [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L194] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L197] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L203] 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 [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L208] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L214] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L218] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L223] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L231] 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 [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L238] 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 [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L245] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L250] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L256] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L261] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L265] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L268] COND FALSE !((((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L273] 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 [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L278] 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 [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L286] COND FALSE !(((!(a7==1)&&(!(a17==1)&&(((((input==3)&&(a21==1))&&(a16==4))&&(a8==15))&&(a12==8))))&&!(a20==1))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L292] 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 [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L299] 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 [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L306] COND FALSE !(((!(a7==1)&&(((a21==1)&&(((a17==1)&&((a12==8)&&(input==2)))&&!(a20==1)))&&(a16==6)))&&(a8==15))) VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, a=1, a12=8, a16=5, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L312] COND TRUE ((!(a17==1)&&((a21==1)&&((!(a20==1)&&((a12==8)&&((input==3)&&!(a7==1))))&&(a8==15))))&&(a16==5)) [L313] a8 = 13 [L314] a16 = 4 [L315] return -1; VAL [\old(a16)=5, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=15, \old(input)=3, \result=-1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L591] RET, EXPR calculate_output(input) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, calculate_output(input)=-1, d=4, e=5, f=6, input=3, output=24, u=21, v=22, w=23, x=24, y=25, z=26] [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) VAL [\old(a16)=5, \old(a17)=1, \old(a20)=1, \old(a21)=1, \old(a7)=0, \old(a8)=15, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L591] CALL calculate_output(input) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L35] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L54] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L72] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L80] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L84] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L92] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L97] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L102] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L108] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L114] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L119] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L124] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L129] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L136] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L140] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L144] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L148] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L152] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L160] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L165] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L173] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L178] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L186] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L189] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L194] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L197] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L203] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L208] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L214] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L218] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L223] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L231] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L238] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L245] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L250] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L256] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L261] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L265] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L268] COND FALSE !((((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L273] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L278] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L286] COND FALSE !(((!(a7==1)&&(!(a17==1)&&(((((input==3)&&(a21==1))&&(a16==4))&&(a8==15))&&(a12==8))))&&!(a20==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L292] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L299] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L306] COND FALSE !(((!(a7==1)&&(((a21==1)&&(((a17==1)&&((a12==8)&&(input==2)))&&!(a20==1)))&&(a16==6)))&&(a8==15))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L312] COND FALSE !(((!(a17==1)&&((a21==1)&&((!(a20==1)&&((a12==8)&&((input==3)&&!(a7==1))))&&(a8==15))))&&(a16==5))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L316] COND FALSE !((((a16==5)&&(!(a20==1)&&(((((input==6)&&(a21==1))&&(a17==1))&&!(a7==1))&&(a12==8))))&&(a8==15))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L318] COND FALSE !((!(a7==1)&&((a17==1)&&(((a16==6)&&(!(a20==1)&&(((input==6)&&(a12==8))&&(a21==1))))&&(a8==15))))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L324] COND FALSE !(((((a21==1)&&((a8==15)&&((a12==8)&&(!(a7==1)&&(!(a17==1)&&(input==2))))))&&(a16==4))&&(a20==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L329] COND FALSE !(((a8==15)&&(((a16==4)&&((a12==8)&&((!(a20==1)&&(!(a7==1)&&(input==1)))&&!(a17==1))))&&(a21==1)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L333] COND FALSE !(((a21==1)&&(((a12==8)&&((((a17==1)&&((input==3)&&((a16==5)||(a16==6))))&&!(a7==1))&&(a20==1)))&&(a8==15)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L337] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L345] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L353] COND FALSE !(((a21==1)&&((((!(a7==1)&&((a8==15)&&(!(a20==1)&&(input==4))))&&(a17==1))&&(a16==5))&&(a12==8)))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L355] COND FALSE !((((!(a7==1)&&((!(a20==1)&&((a21==1)&&((input==3)&&(a17==1))))&&(a8==15)))&&(a12==8))&&(a16==5))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L361] COND FALSE !(((((!(a17==1)&&(!(a20==1)&&((a8==15)&&((input==1)&&(a16==5)))))&&(a12==8))&&(a21==1))&&!(a7==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L363] COND FALSE !(((((a21==1)&&((a8==15)&&(((a16==5)&&((a12==8)&&(input==1)))&&(a17==1))))&&!(a7==1))&&!(a20==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L365] COND FALSE !(((!(a21==1)&&((a20==1)&&((((a8==13)&&((a7==1)&&(input==5)))&&(a17==1))&&(a12==8))))&&(a16==5))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L372] COND FALSE !((((!(a7==1)&&((a21==1)&&((((input==6)&&(a20==1))&&(a8==15))&&!(a17==1))))&&(a12==8))&&(a16==4))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L377] COND FALSE !(((((a20==1)&&(((!(a21==1)&&((a7==1)&&(input==1)))&&(a8==13))&&(a17==1)))&&(a12==8))&&(a16==5))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L382] 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 [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L391] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L394] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L397] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L400] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L403] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L406] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==5))&&(a21==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L409] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L412] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L415] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L418] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L421] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L424] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L427] COND TRUE ((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1)) VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L428] __VERIFIER_error() VAL [\old(a16)=4, \old(a17)=0, \old(a20)=0, \old(a21)=1, \old(a7)=0, \old(a8)=13, \old(input)=1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 19.3s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 10.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 539 SDtfs, 5756 SDslu, 335 SDs, 0 SdLazy, 6994 SolverSat, 1265 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2450 GetRequests, 2369 SyntacticMatches, 5 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3372occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 2715 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1556 NumberOfCodeBlocks, 854 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 2394 ConstructedInterpolants, 0 QuantifiedInterpolants, 989710 SizeOfPredicates, 43 NumberOfNonLiveVariables, 3209 ConjunctsInSsa, 140 ConjunctsInUnsatCore, 17 InterpolantComputations, 3 PerfectInterpolantSequences, 1222/1341 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...