/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 11:26:07,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 11:26:07,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 11:26:07,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-07 11:26:07,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 11:26:07,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 11:26:07,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 11:26:07,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 11:26:07,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 11:26:07,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 11:26:07,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 11:26:07,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 11:26:07,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 11:26:07,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 11:26:07,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 11:26:07,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 11:26:07,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 11:26:08,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 11:26:08,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 11:26:08,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 11:26:08,005 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 [2020-07-07 11:26:08,018 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 11:26:08,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 11:26:08,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 11:26:08,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 11:26:08,020 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 11:26:08,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 11:26:08,020 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 11:26:08,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 11:26:08,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 11:26:08,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 11:26:08,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 11:26:08,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 11:26:08,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 11:26:08,022 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 11:26:08,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 11:26:08,022 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 11:26:08,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 11:26:08,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 11:26:08,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 11:26:08,023 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 11:26:08,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 11:26:08,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:26:08,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 11:26:08,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 11:26:08,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 11:26:08,024 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 11:26:08,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 11:26:08,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 11:26:08,025 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 11:26:08,025 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 11:26:08,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 11:26:08,298 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 11:26:08,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 11:26:08,303 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 11:26:08,303 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 11:26:08,304 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label43.c [2020-07-07 11:26:08,380 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5de787a41/31088e7476a64b4593309fa24d1841c0/FLAGcfb321647 [2020-07-07 11:26:09,022 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 11:26:09,023 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label43.c [2020-07-07 11:26:09,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5de787a41/31088e7476a64b4593309fa24d1841c0/FLAGcfb321647 [2020-07-07 11:26:09,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5de787a41/31088e7476a64b4593309fa24d1841c0 [2020-07-07 11:26:09,285 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 11:26:09,287 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 11:26:09,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 11:26:09,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 11:26:09,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 11:26:09,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:26:09" (1/1) ... [2020-07-07 11:26:09,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b09f6d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:09, skipping insertion in model container [2020-07-07 11:26:09,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:26:09" (1/1) ... [2020-07-07 11:26:09,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 11:26:09,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 11:26:09,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:26:09,866 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 11:26:10,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:26:10,025 INFO L208 MainTranslator]: Completed translation [2020-07-07 11:26:10,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:10 WrapperNode [2020-07-07 11:26:10,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 11:26:10,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 11:26:10,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 11:26:10,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 11:26:10,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:10" (1/1) ... [2020-07-07 11:26:10,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:10" (1/1) ... [2020-07-07 11:26:10,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:10" (1/1) ... [2020-07-07 11:26:10,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:10" (1/1) ... [2020-07-07 11:26:10,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:10" (1/1) ... [2020-07-07 11:26:10,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:10" (1/1) ... [2020-07-07 11:26:10,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:10" (1/1) ... [2020-07-07 11:26:10,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 11:26:10,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 11:26:10,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 11:26:10,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 11:26:10,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:10" (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 [2020-07-07 11:26:10,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 11:26:10,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 11:26:10,201 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-07 11:26:10,201 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 11:26:10,202 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-07 11:26:10,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 11:26:10,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 11:26:10,202 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-07 11:26:10,202 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 11:26:10,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 11:26:10,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 11:26:11,317 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 11:26:11,317 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 11:26:11,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:26:11 BoogieIcfgContainer [2020-07-07 11:26:11,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 11:26:11,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 11:26:11,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 11:26:11,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 11:26:11,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 11:26:09" (1/3) ... [2020-07-07 11:26:11,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71db8ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:26:11, skipping insertion in model container [2020-07-07 11:26:11,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:10" (2/3) ... [2020-07-07 11:26:11,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71db8ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:26:11, skipping insertion in model container [2020-07-07 11:26:11,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:26:11" (3/3) ... [2020-07-07 11:26:11,339 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label43.c [2020-07-07 11:26:11,349 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 11:26:11,360 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 11:26:11,373 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 11:26:11,405 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 11:26:11,406 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 11:26:11,406 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 11:26:11,406 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 11:26:11,407 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 11:26:11,407 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 11:26:11,407 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 11:26:11,407 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 11:26:11,429 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-07 11:26:11,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-07 11:26:11,439 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:26:11,440 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, 1] [2020-07-07 11:26:11,441 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:26:11,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:26:11,447 INFO L82 PathProgramCache]: Analyzing trace with hash 389606425, now seen corresponding path program 1 times [2020-07-07 11:26:11,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:26:11,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73668074] [2020-07-07 11:26:11,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:26:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:11,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:26:11,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73668074] [2020-07-07 11:26:11,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:26:11,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 11:26:11,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705461169] [2020-07-07 11:26:12,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:26:12,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:26:12,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:26:12,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:26:12,019 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-07 11:26:14,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:26:14,314 INFO L93 Difference]: Finished difference Result 784 states and 1378 transitions. [2020-07-07 11:26:14,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 11:26:14,316 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-07-07 11:26:14,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:26:14,355 INFO L225 Difference]: With dead ends: 784 [2020-07-07 11:26:14,360 INFO L226 Difference]: Without dead ends: 480 [2020-07-07 11:26:14,372 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:26:14,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-07-07 11:26:14,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 473. [2020-07-07 11:26:14,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-07-07 11:26:14,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 640 transitions. [2020-07-07 11:26:14,480 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 640 transitions. Word has length 91 [2020-07-07 11:26:14,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:26:14,481 INFO L479 AbstractCegarLoop]: Abstraction has 473 states and 640 transitions. [2020-07-07 11:26:14,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:26:14,481 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 640 transitions. [2020-07-07 11:26:14,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-07 11:26:14,488 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:26:14,489 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2020-07-07 11:26:14,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 11:26:14,489 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:26:14,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:26:14,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1835187085, now seen corresponding path program 1 times [2020-07-07 11:26:14,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:26:14,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983755667] [2020-07-07 11:26:14,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:26:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:14,738 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:26:14,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983755667] [2020-07-07 11:26:14,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154064289] [2020-07-07 11:26:14,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:26:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:14,858 INFO L264 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:26:14,872 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:26:14,964 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-07 11:26:14,964 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-07 11:26:15,012 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:26:15,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:26:15,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2020-07-07 11:26:15,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490770359] [2020-07-07 11:26:15,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 11:26:15,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:26:15,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 11:26:15,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-07-07 11:26:15,020 INFO L87 Difference]: Start difference. First operand 473 states and 640 transitions. Second operand 12 states. [2020-07-07 11:26:18,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:26:18,766 INFO L93 Difference]: Finished difference Result 1599 states and 2382 transitions. [2020-07-07 11:26:18,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-07-07 11:26:18,766 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 108 [2020-07-07 11:26:18,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:26:18,775 INFO L225 Difference]: With dead ends: 1599 [2020-07-07 11:26:18,775 INFO L226 Difference]: Without dead ends: 1132 [2020-07-07 11:26:18,779 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=376, Invalid=1430, Unknown=0, NotChecked=0, Total=1806 [2020-07-07 11:26:18,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2020-07-07 11:26:18,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 1088. [2020-07-07 11:26:18,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1088 states. [2020-07-07 11:26:18,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1367 transitions. [2020-07-07 11:26:18,868 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1367 transitions. Word has length 108 [2020-07-07 11:26:18,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:26:18,869 INFO L479 AbstractCegarLoop]: Abstraction has 1088 states and 1367 transitions. [2020-07-07 11:26:18,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 11:26:18,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1367 transitions. [2020-07-07 11:26:18,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-07 11:26:18,888 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:26:18,888 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:26:19,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-07 11:26:19,089 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:26:19,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:26:19,090 INFO L82 PathProgramCache]: Analyzing trace with hash -156771037, now seen corresponding path program 1 times [2020-07-07 11:26:19,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:26:19,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464052165] [2020-07-07 11:26:19,092 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:26:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:19,247 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:26:19,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464052165] [2020-07-07 11:26:19,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515546098] [2020-07-07 11:26:19,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:26:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:19,328 INFO L264 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-07 11:26:19,333 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:26:19,396 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-07 11:26:19,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:26:19,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2020-07-07 11:26:19,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654565751] [2020-07-07 11:26:19,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:26:19,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:26:19,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:26:19,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:26:19,399 INFO L87 Difference]: Start difference. First operand 1088 states and 1367 transitions. Second operand 5 states. [2020-07-07 11:26:20,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:26:20,083 INFO L93 Difference]: Finished difference Result 3241 states and 4340 transitions. [2020-07-07 11:26:20,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-07 11:26:20,084 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-07-07 11:26:20,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:26:20,098 INFO L225 Difference]: With dead ends: 3241 [2020-07-07 11:26:20,098 INFO L226 Difference]: Without dead ends: 2159 [2020-07-07 11:26:20,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-07 11:26:20,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2159 states. [2020-07-07 11:26:20,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2159 to 1991. [2020-07-07 11:26:20,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1991 states. [2020-07-07 11:26:20,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 1991 states and 2504 transitions. [2020-07-07 11:26:20,184 INFO L78 Accepts]: Start accepts. Automaton has 1991 states and 2504 transitions. Word has length 120 [2020-07-07 11:26:20,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:26:20,184 INFO L479 AbstractCegarLoop]: Abstraction has 1991 states and 2504 transitions. [2020-07-07 11:26:20,185 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:26:20,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 2504 transitions. [2020-07-07 11:26:20,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-07-07 11:26:20,189 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:26:20,190 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 11:26:20,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:26:20,404 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:26:20,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:26:20,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1300144537, now seen corresponding path program 1 times [2020-07-07 11:26:20,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:26:20,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164790142] [2020-07-07 11:26:20,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:26:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:20,570 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:26:20,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164790142] [2020-07-07 11:26:20,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565101344] [2020-07-07 11:26:20,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:26:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:20,648 INFO L264 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-07 11:26:20,661 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:26:20,735 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 11:26:20,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:26:20,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2020-07-07 11:26:20,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576892003] [2020-07-07 11:26:20,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 11:26:20,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:26:20,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 11:26:20,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:26:20,779 INFO L87 Difference]: Start difference. First operand 1991 states and 2504 transitions. Second operand 7 states. [2020-07-07 11:26:22,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:26:22,435 INFO L93 Difference]: Finished difference Result 6517 states and 8197 transitions. [2020-07-07 11:26:22,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 11:26:22,437 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 125 [2020-07-07 11:26:22,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:26:22,462 INFO L225 Difference]: With dead ends: 6517 [2020-07-07 11:26:22,462 INFO L226 Difference]: Without dead ends: 4532 [2020-07-07 11:26:22,468 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:26:22,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4532 states. [2020-07-07 11:26:22,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4532 to 3940. [2020-07-07 11:26:22,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3940 states. [2020-07-07 11:26:22,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3940 states to 3940 states and 4946 transitions. [2020-07-07 11:26:22,594 INFO L78 Accepts]: Start accepts. Automaton has 3940 states and 4946 transitions. Word has length 125 [2020-07-07 11:26:22,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:26:22,596 INFO L479 AbstractCegarLoop]: Abstraction has 3940 states and 4946 transitions. [2020-07-07 11:26:22,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 11:26:22,597 INFO L276 IsEmpty]: Start isEmpty. Operand 3940 states and 4946 transitions. [2020-07-07 11:26:22,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-07 11:26:22,604 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:26:22,604 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, 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] [2020-07-07 11:26:22,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:26:22,818 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:26:22,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:26:22,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1079124894, now seen corresponding path program 1 times [2020-07-07 11:26:22,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:26:22,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633315698] [2020-07-07 11:26:22,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:26:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 11:26:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 11:26:22,963 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-07 11:26:22,964 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 11:26:22,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 11:26:23,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 11:26:23 BoogieIcfgContainer [2020-07-07 11:26:23,102 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 11:26:23,105 INFO L168 Benchmark]: Toolchain (without parser) took 13817.33 ms. Allocated memory was 137.9 MB in the beginning and 425.2 MB in the end (delta: 287.3 MB). Free memory was 100.8 MB in the beginning and 302.8 MB in the end (delta: -202.0 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2020-07-07 11:26:23,106 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-07 11:26:23,108 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.56 ms. Allocated memory was 137.9 MB in the beginning and 203.9 MB in the end (delta: 66.1 MB). Free memory was 100.6 MB in the beginning and 168.3 MB in the end (delta: -67.7 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2020-07-07 11:26:23,108 INFO L168 Benchmark]: Boogie Preprocessor took 106.43 ms. Allocated memory is still 203.9 MB. Free memory was 168.3 MB in the beginning and 163.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-07 11:26:23,110 INFO L168 Benchmark]: RCFGBuilder took 1195.60 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 163.4 MB in the beginning and 179.2 MB in the end (delta: -15.8 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2020-07-07 11:26:23,111 INFO L168 Benchmark]: TraceAbstraction took 11771.48 ms. Allocated memory was 235.9 MB in the beginning and 425.2 MB in the end (delta: 189.3 MB). Free memory was 179.2 MB in the beginning and 302.8 MB in the end (delta: -123.6 MB). Peak memory consumption was 65.7 MB. Max. memory is 7.1 GB. [2020-07-07 11:26:23,119 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 736.56 ms. Allocated memory was 137.9 MB in the beginning and 203.9 MB in the end (delta: 66.1 MB). Free memory was 100.6 MB in the beginning and 168.3 MB in the end (delta: -67.7 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.43 ms. Allocated memory is still 203.9 MB. Free memory was 168.3 MB in the beginning and 163.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1195.60 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 163.4 MB in the beginning and 179.2 MB in the end (delta: -15.8 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11771.48 ms. Allocated memory was 235.9 MB in the beginning and 425.2 MB in the end (delta: 189.3 MB). Free memory was 179.2 MB in the beginning and 302.8 MB in the end (delta: -123.6 MB). Peak memory consumption was 65.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 427]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int a= 1; [L8] int e= 5; [L9] int d= 4; [L10] int f= 6; [L11] int c= 3; [L14] int u = 21; [L15] int v = 22; [L16] int w = 23; [L17] int x = 24; [L18] int y = 25; [L19] int z = 26; [L22] int a25 = 0; [L23] int a11 = 0; [L24] int a28 = 7; [L25] int a19 = 1; [L26] int a21 = 1; [L27] int a17 = 8; VAL [\old(a)=39, \old(a11)=42, \old(a17)=29, \old(a19)=30, \old(a21)=33, \old(a25)=35, \old(a28)=43, \old(c)=31, \old(d)=37, \old(e)=28, \old(f)=36, \old(u)=40, \old(v)=27, \old(w)=38, \old(x)=32, \old(y)=41, \old(z)=34, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L603] int output = -1; VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L614] CALL, EXPR calculate_output(input) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, 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 !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, 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 !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L59] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, 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 !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L69] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L74] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L82] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L91] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L95] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L99] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L106] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L113] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, 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)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L123] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L130] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L134] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L139] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L143] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, 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 !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L154] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L159] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L165] COND TRUE (((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1)) [L166] a25 = 1 [L167] a28 = 9 [L168] return 26; VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=3, \result=26, a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L614] RET, EXPR calculate_output(input) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, calculate_output(input)=26, d=4, e=5, f=6, input=3, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L614] output = calculate_output(input) [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=4, output=26, u=21, v=22, w=23, x=24, y=25, z=26] [L614] CALL, EXPR calculate_output(input) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=4, a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L30] COND TRUE (((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8)) [L31] a28 = 9 [L32] a11 = 1 [L33] a25 = 1 [L34] return -1; VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=4, \result=-1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L614] RET, EXPR calculate_output(input) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, calculate_output(input)=-1, d=4, e=5, f=6, input=4, output=26, u=21, v=22, w=23, x=24, y=25, z=26] [L614] output = calculate_output(input) [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L614] CALL calculate_output(input) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, 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 !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, 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 !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L59] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, 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 !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L69] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L74] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L82] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L91] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L95] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L99] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L106] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L113] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, 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)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L123] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L130] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L134] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L139] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L143] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, 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 !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L154] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L159] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, 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)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L169] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L175] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L179] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L185] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L187] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, 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 !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L191] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, 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 !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L198] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L202] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L212] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L215] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, 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 !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, 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 !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L225] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L232] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L234] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L237] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L248] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L253] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L259] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, 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 !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L276] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L280] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L283] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, 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 !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L291] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L293] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L297] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L309] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L314] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L328] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L331] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, 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 !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L349] COND FALSE !((!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L354] COND FALSE !((((((a21==1)&&((((a28==8)&&!(a25==1))||((a28==9)&&(a25==1)))&&(input==6)))&&!(a11==1))&&!(a19==1))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, 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 !(((a19==1)&&((((a21==1)&&((!(a25==1)&&(input==3))&&(a17==9)))&&(a28==8))&&(a11==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L368] COND FALSE !(((a17==8)&&(((a21==1)&&(((input==5)&&((!(a25==1)&&(a28==8))||((a28==9)&&(a25==1))))&&(a19==1)))&&!(a11==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L375] COND FALSE !(((a19==1)&&(((((a17==8)&&((input==5)&&!(a11==1)))&&(a21==1))&&(a25==1))&&(a28==8)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L378] COND FALSE !((((!(a11==1)&&((((a21==1)&&(input==4))&&(a28==10))&&(a17==8)))&&!(a19==1))&&(a25==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L380] COND FALSE !(((a28==8)&&(((a19==1)&&((a11==1)&&(!(a25==1)&&((a17==9)&&(input==6)))))&&(a21==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L389] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==6)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))&&(a17==8))&&!(a19==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, 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 !((((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L398] COND FALSE !((((a17==8)&&((((input==4)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9))))&&(a21==1))&&!(a19==1)))&&!(a11==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L402] COND FALSE !((((!(a11==1)&&((((a19==1)&&(input==5))&&(a17==8))&&(a21==1)))&&(a28==9))&&!(a25==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L404] COND FALSE !((((a11==1)&&((a19==1)&&((a21==1)&&(((a17==9)&&(input==5))&&!(a25==1)))))&&(a28==8))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L407] COND FALSE !((!(a11==1)&&((a21==1)&&(((a19==1)&&((a17==8)&&((a25==1)&&(input==5))))&&(a28==11))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, 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 !(((a19==1)&&((a17==8)&&(((((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))&&!(a11==1))&&(a21==1))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L414] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L417] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==10))&&(a19==1))&&(a21==1))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L420] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L423] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L426] COND TRUE ((((((a25==1)&&(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==8)) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L427] __VERIFIER_error() VAL [\old(a11)=1, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=9, \old(input)=1, a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=9, 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, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.5s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 152 SDtfs, 3482 SDslu, 250 SDs, 0 SdLazy, 4496 SolverSat, 1263 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 440 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 484 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3940occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 811 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 930 NumberOfCodeBlocks, 930 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 790 ConstructedInterpolants, 0 QuantifiedInterpolants, 229500 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1057 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 120/158 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...