/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 21:01:05,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 21:01:05,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 21:01:05,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 21:01:05,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 21:01:05,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 21:01:05,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 21:01:05,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 21:01:05,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 21:01:05,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 21:01:05,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 21:01:05,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 21:01:05,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 21:01:05,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 21:01:05,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 21:01:05,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 21:01:05,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 21:01:05,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 21:01:05,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 21:01:05,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 21:01:05,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 21:01:05,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 21:01:05,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 21:01:05,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 21:01:05,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 21:01:05,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 21:01:05,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 21:01:05,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 21:01:05,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 21:01:05,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 21:01:05,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 21:01:05,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 21:01:05,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 21:01:05,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 21:01:05,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 21:01:05,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 21:01:05,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 21:01:05,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 21:01:05,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 21:01:05,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 21:01:05,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 21:01:05,801 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 21:01:05,845 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 21:01:05,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 21:01:05,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 21:01:05,850 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 21:01:05,850 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 21:01:05,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 21:01:05,850 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 21:01:05,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 21:01:05,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 21:01:05,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 21:01:05,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 21:01:05,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 21:01:05,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 21:01:05,853 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 21:01:05,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 21:01:05,854 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 21:01:05,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 21:01:05,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 21:01:05,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 21:01:05,855 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 21:01:05,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 21:01:05,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:01:05,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 21:01:05,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 21:01:05,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 21:01:05,856 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 21:01:05,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 21:01:05,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 21:01:05,857 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 21:01:05,857 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 -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 21:01:06,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 21:01:06,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 21:01:06,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 21:01:06,218 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 21:01:06,218 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 21:01:06,219 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label36.c [2020-10-14 21:01:06,278 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2dcd89e61/be9cab08db3d4a77b8b6ea2631597289/FLAG5d9208f5c [2020-10-14 21:01:06,908 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 21:01:06,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label36.c [2020-10-14 21:01:06,943 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2dcd89e61/be9cab08db3d4a77b8b6ea2631597289/FLAG5d9208f5c [2020-10-14 21:01:07,183 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2dcd89e61/be9cab08db3d4a77b8b6ea2631597289 [2020-10-14 21:01:07,195 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 21:01:07,197 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 21:01:07,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 21:01:07,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 21:01:07,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 21:01:07,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:01:07" (1/1) ... [2020-10-14 21:01:07,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6665a633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:07, skipping insertion in model container [2020-10-14 21:01:07,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:01:07" (1/1) ... [2020-10-14 21:01:07,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 21:01:07,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 21:01:08,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:01:08,075 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 21:01:08,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:01:08,257 INFO L208 MainTranslator]: Completed translation [2020-10-14 21:01:08,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:08 WrapperNode [2020-10-14 21:01:08,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 21:01:08,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 21:01:08,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 21:01:08,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 21:01:08,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:08" (1/1) ... [2020-10-14 21:01:08,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:08" (1/1) ... [2020-10-14 21:01:08,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:08" (1/1) ... [2020-10-14 21:01:08,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:08" (1/1) ... [2020-10-14 21:01:08,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:08" (1/1) ... [2020-10-14 21:01:08,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:08" (1/1) ... [2020-10-14 21:01:08,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:08" (1/1) ... [2020-10-14 21:01:08,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 21:01:08,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 21:01:08,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 21:01:08,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 21:01:08,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:08" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:01:08,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 21:01:08,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 21:01:08,522 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 21:01:08,523 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 21:01:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 21:01:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 21:01:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 21:01:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 21:01:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 21:01:08,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 21:01:08,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 21:01:10,568 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 21:01:10,569 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 21:01:10,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:01:10 BoogieIcfgContainer [2020-10-14 21:01:10,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 21:01:10,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 21:01:10,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 21:01:10,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 21:01:10,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:01:07" (1/3) ... [2020-10-14 21:01:10,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35033df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:01:10, skipping insertion in model container [2020-10-14 21:01:10,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:08" (2/3) ... [2020-10-14 21:01:10,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35033df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:01:10, skipping insertion in model container [2020-10-14 21:01:10,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:01:10" (3/3) ... [2020-10-14 21:01:10,590 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label36.c [2020-10-14 21:01:10,607 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 21:01:10,618 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 21:01:10,638 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 21:01:10,675 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 21:01:10,675 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 21:01:10,675 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 21:01:10,676 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 21:01:10,676 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 21:01:10,676 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 21:01:10,676 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 21:01:10,676 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 21:01:10,706 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-14 21:01:10,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-14 21:01:10,713 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:10,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:01:10,715 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:10,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:10,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1754233962, now seen corresponding path program 1 times [2020-10-14 21:01:10,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:10,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1665867963] [2020-10-14 21:01:10,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:10,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:11,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:11,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 21:01:11,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:11,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 453 [2020-10-14 21:01:11,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:11,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:11,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:01:11,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:01:11,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 21:01:11,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 21:01:11,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:11,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:11,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:11,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:11,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:11,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:01:11,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:11,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:11,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:11,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:11,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:01:11,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:11,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:01:11,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1665867963] [2020-10-14 21:01:11,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:01:11,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 21:01:11,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251765973] [2020-10-14 21:01:11,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 21:01:11,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:11,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 21:01:11,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 21:01:11,545 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-14 21:01:13,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:13,967 INFO L93 Difference]: Finished difference Result 799 states and 1401 transitions. [2020-10-14 21:01:13,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:01:13,970 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-10-14 21:01:13,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:13,989 INFO L225 Difference]: With dead ends: 799 [2020-10-14 21:01:13,989 INFO L226 Difference]: Without dead ends: 443 [2020-10-14 21:01:14,000 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:01:14,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2020-10-14 21:01:14,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 429. [2020-10-14 21:01:14,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-10-14 21:01:14,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 645 transitions. [2020-10-14 21:01:14,093 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 645 transitions. Word has length 19 [2020-10-14 21:01:14,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:14,093 INFO L479 AbstractCegarLoop]: Abstraction has 429 states and 645 transitions. [2020-10-14 21:01:14,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 21:01:14,094 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 645 transitions. [2020-10-14 21:01:14,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-14 21:01:14,099 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:14,100 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:01:14,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 21:01:14,100 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:14,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:14,101 INFO L82 PathProgramCache]: Analyzing trace with hash 322028870, now seen corresponding path program 1 times [2020-10-14 21:01:14,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:14,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1962672536] [2020-10-14 21:01:14,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:14,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:14,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:15,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:15,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 21:01:15,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:01:15,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1228 [2020-10-14 21:01:15,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:15,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:15,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:01:15,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:01:15,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 21:01:15,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:01:15,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:15,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:15,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:15,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:15,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:15,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:01:15,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:15,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:01:15,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:15,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:01:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:15,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:15,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:15,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 21:01:15,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:15,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-14 21:01:15,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:15,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:15,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:15,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:01:15,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:01:15,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-14 21:01:15,882 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:01:15,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1962672536] [2020-10-14 21:01:15,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:01:15,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 21:01:15,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173076020] [2020-10-14 21:01:15,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:01:15,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:15,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:01:15,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:01:15,888 INFO L87 Difference]: Start difference. First operand 429 states and 645 transitions. Second operand 7 states. [2020-10-14 21:01:18,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:18,090 INFO L93 Difference]: Finished difference Result 1250 states and 1910 transitions. [2020-10-14 21:01:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 21:01:18,091 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 89 [2020-10-14 21:01:18,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:18,098 INFO L225 Difference]: With dead ends: 1250 [2020-10-14 21:01:18,098 INFO L226 Difference]: Without dead ends: 827 [2020-10-14 21:01:18,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:01:18,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2020-10-14 21:01:18,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 819. [2020-10-14 21:01:18,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 819 states. [2020-10-14 21:01:18,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1123 transitions. [2020-10-14 21:01:18,152 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1123 transitions. Word has length 89 [2020-10-14 21:01:18,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:18,153 INFO L479 AbstractCegarLoop]: Abstraction has 819 states and 1123 transitions. [2020-10-14 21:01:18,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:01:18,153 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1123 transitions. [2020-10-14 21:01:18,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-14 21:01:18,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:18,156 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:01:18,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 21:01:18,157 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:18,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:18,157 INFO L82 PathProgramCache]: Analyzing trace with hash -2108634866, now seen corresponding path program 1 times [2020-10-14 21:01:18,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:18,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1755978667] [2020-10-14 21:01:18,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:18,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:18,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:18,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:18,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:18,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 21:01:18,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:01:18,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 745 [2020-10-14 21:01:18,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:18,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:18,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:01:18,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:01:18,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 21:01:18,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:18,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:19,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:19,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:19,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:19,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:19,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 21:01:19,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:19,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:19,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:19,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:19,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:01:19,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:19,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:01:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:19,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:19,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:19,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:01:19,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:19,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-14 21:01:19,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:19,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:19,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:19,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:01:19,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 21:01:19,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:19,306 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:01:19,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1755978667] [2020-10-14 21:01:19,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:01:19,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 21:01:19,308 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562943654] [2020-10-14 21:01:19,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:01:19,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:19,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:01:19,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:01:19,309 INFO L87 Difference]: Start difference. First operand 819 states and 1123 transitions. Second operand 7 states. [2020-10-14 21:01:22,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:22,009 INFO L93 Difference]: Finished difference Result 2431 states and 3395 transitions. [2020-10-14 21:01:22,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 21:01:22,010 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-10-14 21:01:22,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:22,021 INFO L225 Difference]: With dead ends: 2431 [2020-10-14 21:01:22,021 INFO L226 Difference]: Without dead ends: 1618 [2020-10-14 21:01:22,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:01:22,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1618 states. [2020-10-14 21:01:22,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1618 to 1605. [2020-10-14 21:01:22,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1605 states. [2020-10-14 21:01:22,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 2032 transitions. [2020-10-14 21:01:22,084 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 2032 transitions. Word has length 93 [2020-10-14 21:01:22,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:22,085 INFO L479 AbstractCegarLoop]: Abstraction has 1605 states and 2032 transitions. [2020-10-14 21:01:22,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:01:22,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 2032 transitions. [2020-10-14 21:01:22,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-14 21:01:22,089 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:22,089 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:01:22,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 21:01:22,090 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:22,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:22,090 INFO L82 PathProgramCache]: Analyzing trace with hash 634026896, now seen corresponding path program 1 times [2020-10-14 21:01:22,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:22,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2003980812] [2020-10-14 21:01:22,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:22,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:22,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:23,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:23,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 21:01:23,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:01:23,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 884 [2020-10-14 21:01:23,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:23,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:23,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:01:23,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:01:23,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-14 21:01:23,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:01:23,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:23,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:23,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:23,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:23,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:23,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 21:01:23,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:23,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:23,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:23,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:23,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:01:23,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:23,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:01:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:23,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:23,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:23,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:01:23,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:23,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-14 21:01:23,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:23,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:23,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:23,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:01:23,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 21:01:23,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:23,607 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 21:01:23,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2003980812] [2020-10-14 21:01:23,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:01:23,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:01:23,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043090423] [2020-10-14 21:01:23,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 21:01:23,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:23,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 21:01:23,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:01:23,611 INFO L87 Difference]: Start difference. First operand 1605 states and 2032 transitions. Second operand 6 states. [2020-10-14 21:01:25,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:25,576 INFO L93 Difference]: Finished difference Result 3996 states and 4995 transitions. [2020-10-14 21:01:25,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:01:25,577 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2020-10-14 21:01:25,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:25,603 INFO L225 Difference]: With dead ends: 3996 [2020-10-14 21:01:25,603 INFO L226 Difference]: Without dead ends: 2397 [2020-10-14 21:01:25,609 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:01:25,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2397 states. [2020-10-14 21:01:25,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2397 to 2377. [2020-10-14 21:01:25,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2377 states. [2020-10-14 21:01:25,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 2377 states and 2934 transitions. [2020-10-14 21:01:25,723 INFO L78 Accepts]: Start accepts. Automaton has 2377 states and 2934 transitions. Word has length 135 [2020-10-14 21:01:25,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:25,725 INFO L479 AbstractCegarLoop]: Abstraction has 2377 states and 2934 transitions. [2020-10-14 21:01:25,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 21:01:25,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2377 states and 2934 transitions. [2020-10-14 21:01:25,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-14 21:01:25,734 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:25,735 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:01:25,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 21:01:25,736 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:25,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:25,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1057735618, now seen corresponding path program 1 times [2020-10-14 21:01:25,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:25,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1345551427] [2020-10-14 21:01:25,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:25,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:26,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:26,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:01:26,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:26,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 359 [2020-10-14 21:01:26,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:26,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:26,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:26,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 21:01:26,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 21:01:26,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:26,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:26,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:26,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:26,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:26,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:26,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:01:26,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:26,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:26,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:01:26,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:26,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:01:26,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:26,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:01:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:26,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:26,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:26,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:01:26,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:26,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-14 21:01:26,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:26,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:26,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:26,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:26,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 21:01:26,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:26,454 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:01:26,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1345551427] [2020-10-14 21:01:26,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:01:26,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:01:26,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711334693] [2020-10-14 21:01:26,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:01:26,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:26,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:01:26,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:01:26,458 INFO L87 Difference]: Start difference. First operand 2377 states and 2934 transitions. Second operand 5 states. [2020-10-14 21:01:28,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:28,670 INFO L93 Difference]: Finished difference Result 5343 states and 6822 transitions. [2020-10-14 21:01:28,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:01:28,671 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2020-10-14 21:01:28,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:28,691 INFO L225 Difference]: With dead ends: 5343 [2020-10-14 21:01:28,691 INFO L226 Difference]: Without dead ends: 3350 [2020-10-14 21:01:28,698 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:01:28,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3350 states. [2020-10-14 21:01:28,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3350 to 3144. [2020-10-14 21:01:28,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3144 states. [2020-10-14 21:01:28,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3144 states to 3144 states and 3973 transitions. [2020-10-14 21:01:28,799 INFO L78 Accepts]: Start accepts. Automaton has 3144 states and 3973 transitions. Word has length 150 [2020-10-14 21:01:28,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:28,800 INFO L479 AbstractCegarLoop]: Abstraction has 3144 states and 3973 transitions. [2020-10-14 21:01:28,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:01:28,800 INFO L276 IsEmpty]: Start isEmpty. Operand 3144 states and 3973 transitions. [2020-10-14 21:01:28,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-14 21:01:28,806 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:28,806 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2020-10-14 21:01:28,807 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 21:01:28,807 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:28,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:28,807 INFO L82 PathProgramCache]: Analyzing trace with hash -679780172, now seen corresponding path program 1 times [2020-10-14 21:01:28,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:28,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2088142849] [2020-10-14 21:01:28,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:28,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:28,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:29,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:30,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:30,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-14 21:01:30,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:01:30,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1796 [2020-10-14 21:01:30,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:30,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:30,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:30,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 21:01:30,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 21:01:30,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:30,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:30,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:30,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:30,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:30,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:30,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 21:01:30,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:30,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:30,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:01:30,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:30,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:01:30,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:30,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:01:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:30,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:30,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:30,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:01:30,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:30,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-14 21:01:30,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:30,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:30,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:30,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:30,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:01:30,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:31,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:01:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:31,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:31,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:31,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:01:31,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:31,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-14 21:01:31,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:31,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:31,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:31,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:01:31,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 21:01:31,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:31,344 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:01:31,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2088142849] [2020-10-14 21:01:31,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:01:31,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:01:31,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029080125] [2020-10-14 21:01:31,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:01:31,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:31,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:01:31,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:01:31,348 INFO L87 Difference]: Start difference. First operand 3144 states and 3973 transitions. Second operand 7 states. [2020-10-14 21:01:34,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:34,389 INFO L93 Difference]: Finished difference Result 6504 states and 8318 transitions. [2020-10-14 21:01:34,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 21:01:34,390 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 209 [2020-10-14 21:01:34,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:34,409 INFO L225 Difference]: With dead ends: 6504 [2020-10-14 21:01:34,410 INFO L226 Difference]: Without dead ends: 3744 [2020-10-14 21:01:34,417 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:01:34,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2020-10-14 21:01:34,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3541. [2020-10-14 21:01:34,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3541 states. [2020-10-14 21:01:34,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3541 states and 4445 transitions. [2020-10-14 21:01:34,517 INFO L78 Accepts]: Start accepts. Automaton has 3541 states and 4445 transitions. Word has length 209 [2020-10-14 21:01:34,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:34,517 INFO L479 AbstractCegarLoop]: Abstraction has 3541 states and 4445 transitions. [2020-10-14 21:01:34,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:01:34,518 INFO L276 IsEmpty]: Start isEmpty. Operand 3541 states and 4445 transitions. [2020-10-14 21:01:34,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-14 21:01:34,521 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:01:34,521 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2020-10-14 21:01:34,522 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 21:01:34,522 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:01:34,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:01:34,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1256737112, now seen corresponding path program 1 times [2020-10-14 21:01:34,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:01:34,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1712627972] [2020-10-14 21:01:34,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:01:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 21:01:34,576 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 21:01:34,577 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 21:01:34,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 21:01:34,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:01:34 BoogieIcfgContainer [2020-10-14 21:01:34,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 21:01:34,646 INFO L168 Benchmark]: Toolchain (without parser) took 27446.97 ms. Allocated memory was 145.2 MB in the beginning and 595.1 MB in the end (delta: 449.8 MB). Free memory was 97.1 MB in the beginning and 439.5 MB in the end (delta: -342.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 7.1 GB. [2020-10-14 21:01:34,647 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory was 118.5 MB in the beginning and 118.1 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-14 21:01:34,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1060.11 ms. Allocated memory was 145.2 MB in the beginning and 208.1 MB in the end (delta: 62.9 MB). Free memory was 97.1 MB in the beginning and 161.9 MB in the end (delta: -64.8 MB). Peak memory consumption was 43.0 MB. Max. memory is 7.1 GB. [2020-10-14 21:01:34,655 INFO L168 Benchmark]: Boogie Preprocessor took 173.93 ms. Allocated memory is still 208.1 MB. Free memory was 161.9 MB in the beginning and 153.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2020-10-14 21:01:34,656 INFO L168 Benchmark]: RCFGBuilder took 2145.04 ms. Allocated memory was 208.1 MB in the beginning and 239.6 MB in the end (delta: 31.5 MB). Free memory was 153.1 MB in the beginning and 100.2 MB in the end (delta: 52.9 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2020-10-14 21:01:34,657 INFO L168 Benchmark]: TraceAbstraction took 24061.77 ms. Allocated memory was 239.6 MB in the beginning and 595.1 MB in the end (delta: 355.5 MB). Free memory was 100.2 MB in the beginning and 439.5 MB in the end (delta: -339.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2020-10-14 21:01:34,674 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 145.2 MB. Free memory was 118.5 MB in the beginning and 118.1 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1060.11 ms. Allocated memory was 145.2 MB in the beginning and 208.1 MB in the end (delta: 62.9 MB). Free memory was 97.1 MB in the beginning and 161.9 MB in the end (delta: -64.8 MB). Peak memory consumption was 43.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 173.93 ms. Allocated memory is still 208.1 MB. Free memory was 161.9 MB in the beginning and 153.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2145.04 ms. Allocated memory was 208.1 MB in the beginning and 239.6 MB in the end (delta: 31.5 MB). Free memory was 153.1 MB in the beginning and 100.2 MB in the end (delta: 52.9 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24061.77 ms. Allocated memory was 239.6 MB in the beginning and 595.1 MB in the end (delta: 355.5 MB). Free memory was 100.2 MB in the beginning and 439.5 MB in the end (delta: -339.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 45]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int inputA = 1; [L8] int inputD = 4; [L9] int inputB = 2; [L10] int inputE = 5; [L11] int inputF = 6; [L12] int inputC = 3; [L15] int a29 = 130; [L16] int a4 = 1; [L17] int a23 = 312; [L18] int a8 = 15; [L19] int a25 = 10; [L20] int a3 = 1; [L1031] int output = -1; [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL, EXPR calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L62] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L65] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L68] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L71] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L74] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L77] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L80] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L83] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L86] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L89] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L92] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L95] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L98] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L101] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L104] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L107] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L110] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L113] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L116] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L119] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L122] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L125] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L128] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L131] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L134] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L137] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L140] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L143] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L146] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L149] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L152] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L155] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L158] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L161] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L164] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L167] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L170] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L173] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L176] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L179] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L182] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L185] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L188] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L191] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L194] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L197] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L200] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L203] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L214] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L221] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L227] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L233] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L240] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L247] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L254] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L260] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L265] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L268] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L275] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L280] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L287] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L294] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L299] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L305] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L310] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L317] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L322] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L329] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L334] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L340] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L346] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L353] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L358] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L365] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L370] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L377] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L384] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L391] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L398] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L411] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L417] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L422] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L429] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L436] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L443] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L450] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L456] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L463] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L470] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L477] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L487] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L500] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L507] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L514] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L526] COND TRUE ((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15))) [L527] a29 = (((((a29 % 52)- -193) * 5) % 52)- -169) [L528] a25 = 12 [L530] return 26; [L1042] RET, EXPR calculate_output(input) [L1042] output = calculate_output(input) [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL, EXPR calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L62] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L65] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L68] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L71] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L74] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L77] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L80] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L83] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L86] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L89] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L92] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L95] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L98] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L101] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L104] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L107] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L110] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L113] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L116] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L119] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L122] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L125] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L128] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L131] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L134] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L137] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L140] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L143] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L146] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L149] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L152] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L155] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L158] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L161] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L164] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L167] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L170] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L173] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L176] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L179] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L182] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L185] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L188] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L191] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L194] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L197] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L200] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L203] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L214] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L221] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L227] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L233] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L240] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L247] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L254] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L260] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L265] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L268] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L275] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L280] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L287] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L294] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L299] COND TRUE ( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) )) [L300] a29 = ((((a29 + 107715) * 10)/ 9) - -27123) [L301] a23 = ((((a23 % 90)+ -31) - 5) + 32) [L302] a25 = 11 [L304] return -1; [L1042] RET, EXPR calculate_output(input) [L1042] output = calculate_output(input) [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND TRUE ((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)) [L45] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 23.9s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 14.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 261 SDtfs, 3354 SDslu, 438 SDs, 0 SdLazy, 7549 SolverSat, 1069 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3541occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 464 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 914 NumberOfCodeBlocks, 914 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 689 ConstructedInterpolants, 0 QuantifiedInterpolants, 374733 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 134/146 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...