/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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_label51.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 02:39:30,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 02:39:30,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 02:39:30,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 02:39:30,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 02:39:30,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 02:39:30,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 02:39:30,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 02:39:30,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 02:39:30,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 02:39:30,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 02:39:30,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 02:39:30,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 02:39:30,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 02:39:30,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 02:39:30,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 02:39:30,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 02:39:30,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 02:39:30,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 02:39:30,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 02:39:30,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 02:39:30,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 02:39:30,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 02:39:30,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 02:39:30,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 02:39:30,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 02:39:30,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 02:39:30,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 02:39:30,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 02:39:30,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 02:39:30,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 02:39:30,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 02:39:30,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 02:39:30,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 02:39:30,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 02:39:30,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 02:39:30,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 02:39:30,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 02:39:30,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 02:39:30,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 02:39:30,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 02:39:30,496 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 02:39:30,517 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 02:39:30,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 02:39:30,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 02:39:30,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 02:39:30,522 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 02:39:30,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 02:39:30,523 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 02:39:30,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 02:39:30,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 02:39:30,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 02:39:30,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 02:39:30,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 02:39:30,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 02:39:30,526 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 02:39:30,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 02:39:30,527 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 02:39:30,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 02:39:30,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 02:39:30,527 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 02:39:30,527 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 02:39:30,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 02:39:30,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 02:39:30,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 02:39:30,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 02:39:30,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 02:39:30,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 02:39:30,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 02:39:30,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 02:39:30,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 02:39:30,532 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 02:39:30,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 02:39:30,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 02:39:30,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 02:39:30,859 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 02:39:30,860 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 02:39:30,861 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label51.c [2020-10-14 02:39:30,920 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b4c0bc577/039cb0df3d0b4da39a94b770dfeaa5cd/FLAGb5c533563 [2020-10-14 02:39:31,480 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 02:39:31,481 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label51.c [2020-10-14 02:39:31,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b4c0bc577/039cb0df3d0b4da39a94b770dfeaa5cd/FLAGb5c533563 [2020-10-14 02:39:31,712 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b4c0bc577/039cb0df3d0b4da39a94b770dfeaa5cd [2020-10-14 02:39:31,724 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 02:39:31,726 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 02:39:31,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 02:39:31,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 02:39:31,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 02:39:31,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:39:31" (1/1) ... [2020-10-14 02:39:31,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c971219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:39:31, skipping insertion in model container [2020-10-14 02:39:31,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:39:31" (1/1) ... [2020-10-14 02:39:31,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 02:39:31,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 02:39:32,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:39:32,621 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 02:39:32,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:39:32,933 INFO L208 MainTranslator]: Completed translation [2020-10-14 02:39:32,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:39:32 WrapperNode [2020-10-14 02:39:32,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 02:39:32,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 02:39:32,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 02:39:32,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 02:39:32,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:39:32" (1/1) ... [2020-10-14 02:39:32,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:39:32" (1/1) ... [2020-10-14 02:39:33,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:39:32" (1/1) ... [2020-10-14 02:39:33,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:39:32" (1/1) ... [2020-10-14 02:39:33,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:39:32" (1/1) ... [2020-10-14 02:39:33,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:39:32" (1/1) ... [2020-10-14 02:39:33,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:39:32" (1/1) ... [2020-10-14 02:39:33,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 02:39:33,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 02:39:33,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 02:39:33,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 02:39:33,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:39:32" (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 02:39:33,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 02:39:33,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 02:39:33,178 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 02:39:33,179 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 02:39:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 02:39:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 02:39:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 02:39:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 02:39:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 02:39:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 02:39:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 02:39:34,919 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 02:39:34,920 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 02:39:34,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:39:34 BoogieIcfgContainer [2020-10-14 02:39:34,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 02:39:34,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 02:39:34,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 02:39:34,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 02:39:34,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:39:31" (1/3) ... [2020-10-14 02:39:34,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7629909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:39:34, skipping insertion in model container [2020-10-14 02:39:34,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:39:32" (2/3) ... [2020-10-14 02:39:34,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7629909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:39:34, skipping insertion in model container [2020-10-14 02:39:34,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:39:34" (3/3) ... [2020-10-14 02:39:34,938 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label51.c [2020-10-14 02:39:34,952 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 02:39:34,961 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 02:39:34,979 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 02:39:35,011 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 02:39:35,011 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 02:39:35,011 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 02:39:35,012 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 02:39:35,012 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 02:39:35,012 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 02:39:35,012 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 02:39:35,012 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 02:39:35,041 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-14 02:39:35,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-14 02:39:35,049 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:39:35,050 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:39:35,051 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:39:35,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:39:35,058 INFO L82 PathProgramCache]: Analyzing trace with hash 234227266, now seen corresponding path program 1 times [2020-10-14 02:39:35,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:39:35,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1484616731] [2020-10-14 02:39:35,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:39:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:35,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:35,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:35,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 02:39:35,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:35,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 372 [2020-10-14 02:39:35,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:35,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:35,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 02:39:35,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 02:39:35,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 02:39:35,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 02:39:35,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:39:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:35,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:35,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:35,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:39:35,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:35,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 02:39:35,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:35,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:35,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:35,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:35,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:39:35,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:35,761 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 02:39:35,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1484616731] [2020-10-14 02:39:35,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 02:39:35,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 02:39:35,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727950406] [2020-10-14 02:39:35,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 02:39:35,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:39:35,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 02:39:35,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 02:39:35,789 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-14 02:39:38,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:39:38,238 INFO L93 Difference]: Finished difference Result 791 states and 1386 transitions. [2020-10-14 02:39:38,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:39:38,240 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-14 02:39:38,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:39:38,257 INFO L225 Difference]: With dead ends: 791 [2020-10-14 02:39:38,257 INFO L226 Difference]: Without dead ends: 434 [2020-10-14 02:39:38,266 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 02:39:38,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-14 02:39:38,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 430. [2020-10-14 02:39:38,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-10-14 02:39:38,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 618 transitions. [2020-10-14 02:39:38,356 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 618 transitions. Word has length 17 [2020-10-14 02:39:38,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:39:38,356 INFO L479 AbstractCegarLoop]: Abstraction has 430 states and 618 transitions. [2020-10-14 02:39:38,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 02:39:38,357 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 618 transitions. [2020-10-14 02:39:38,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-14 02:39:38,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:39:38,361 INFO L422 BasicCegarLoop]: trace histogram [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 02:39:38,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 02:39:38,362 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:39:38,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:39:38,362 INFO L82 PathProgramCache]: Analyzing trace with hash -904309470, now seen corresponding path program 1 times [2020-10-14 02:39:38,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:39:38,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [575989883] [2020-10-14 02:39:38,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:39:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:38,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:38,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:39,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:39,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 02:39:39,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:39:39,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 956 [2020-10-14 02:39:39,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:39,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:39,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:39:39,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 02:39:39,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 02:39:39,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:39,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:39:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:39,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:39,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:39,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:39:39,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:39,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:39:39,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:39,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:39,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:39:39,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:39,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:39:39,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:39,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:39:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:39,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:39,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:39,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 02:39:39,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:39,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 02:39:39,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:39,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:39,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:39,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:39,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 02:39:39,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:39,655 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:39:39,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [575989883] [2020-10-14 02:39:39,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:39:39,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:39:39,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927632557] [2020-10-14 02:39:39,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:39:39,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:39:39,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:39:39,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:39:39,659 INFO L87 Difference]: Start difference. First operand 430 states and 618 transitions. Second operand 5 states. [2020-10-14 02:39:41,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:39:41,790 INFO L93 Difference]: Finished difference Result 1258 states and 1832 transitions. [2020-10-14 02:39:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:39:41,791 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2020-10-14 02:39:41,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:39:41,800 INFO L225 Difference]: With dead ends: 1258 [2020-10-14 02:39:41,801 INFO L226 Difference]: Without dead ends: 834 [2020-10-14 02:39:41,803 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 02:39:41,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-10-14 02:39:41,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 818. [2020-10-14 02:39:41,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2020-10-14 02:39:41,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1096 transitions. [2020-10-14 02:39:41,855 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1096 transitions. Word has length 89 [2020-10-14 02:39:41,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:39:41,856 INFO L479 AbstractCegarLoop]: Abstraction has 818 states and 1096 transitions. [2020-10-14 02:39:41,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:39:41,857 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1096 transitions. [2020-10-14 02:39:41,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-14 02:39:41,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:39:41,860 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 02:39:41,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 02:39:41,861 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:39:41,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:39:41,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1508869126, now seen corresponding path program 1 times [2020-10-14 02:39:41,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:39:41,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [151619611] [2020-10-14 02:39:41,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:39:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:41,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:42,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:42,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:43,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:43,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-14 02:39:43,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:39:43,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1222 [2020-10-14 02:39:43,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:43,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:43,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:39:43,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 02:39:43,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 02:39:43,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:43,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:39:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:43,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:43,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:43,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:39:43,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:43,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 02:39:43,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:43,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:43,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:39:43,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:43,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:39:43,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 02:39:43,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:39:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:43,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:43,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:43,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 02:39:43,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:43,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-14 02:39:43,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:43,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:43,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:43,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:43,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 02:39:43,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:43,466 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:39:43,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [151619611] [2020-10-14 02:39:43,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:39:43,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:39:43,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546151552] [2020-10-14 02:39:43,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:39:43,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:39:43,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:39:43,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:39:43,470 INFO L87 Difference]: Start difference. First operand 818 states and 1096 transitions. Second operand 5 states. [2020-10-14 02:39:45,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:39:45,744 INFO L93 Difference]: Finished difference Result 2023 states and 2785 transitions. [2020-10-14 02:39:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:39:45,744 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-10-14 02:39:45,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:39:45,756 INFO L225 Difference]: With dead ends: 2023 [2020-10-14 02:39:45,757 INFO L226 Difference]: Without dead ends: 1211 [2020-10-14 02:39:45,760 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 02:39:45,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2020-10-14 02:39:45,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1203. [2020-10-14 02:39:45,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1203 states. [2020-10-14 02:39:45,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 1614 transitions. [2020-10-14 02:39:45,828 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 1614 transitions. Word has length 91 [2020-10-14 02:39:45,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:39:45,830 INFO L479 AbstractCegarLoop]: Abstraction has 1203 states and 1614 transitions. [2020-10-14 02:39:45,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:39:45,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1614 transitions. [2020-10-14 02:39:45,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-14 02:39:45,845 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:39:45,845 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 02:39:45,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 02:39:45,848 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:39:45,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:39:45,849 INFO L82 PathProgramCache]: Analyzing trace with hash -2132372130, now seen corresponding path program 1 times [2020-10-14 02:39:45,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:39:45,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [34921552] [2020-10-14 02:39:45,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:39:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:45,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:46,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:46,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:46,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 02:39:46,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:39:46,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 856 [2020-10-14 02:39:46,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:46,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:46,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:39:46,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-14 02:39:46,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 02:39:46,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-14 02:39:46,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:39:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:46,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:46,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:46,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:39:46,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:46,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:39:46,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:46,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:46,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:39:46,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:46,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:39:46,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:46,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:39:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:46,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:46,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:46,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 02:39:46,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:46,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-14 02:39:46,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:46,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:46,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:46,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:46,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 02:39:46,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:47,049 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:39:47,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [34921552] [2020-10-14 02:39:47,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:39:47,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:39:47,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909315435] [2020-10-14 02:39:47,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:39:47,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:39:47,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:39:47,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:39:47,057 INFO L87 Difference]: Start difference. First operand 1203 states and 1614 transitions. Second operand 5 states. [2020-10-14 02:39:49,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:39:49,955 INFO L93 Difference]: Finished difference Result 2989 states and 4138 transitions. [2020-10-14 02:39:49,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:39:49,957 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2020-10-14 02:39:49,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:39:49,974 INFO L225 Difference]: With dead ends: 2989 [2020-10-14 02:39:49,974 INFO L226 Difference]: Without dead ends: 1792 [2020-10-14 02:39:49,978 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 02:39:49,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2020-10-14 02:39:50,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1774. [2020-10-14 02:39:50,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1774 states. [2020-10-14 02:39:50,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1774 states and 2399 transitions. [2020-10-14 02:39:50,048 INFO L78 Accepts]: Start accepts. Automaton has 1774 states and 2399 transitions. Word has length 103 [2020-10-14 02:39:50,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:39:50,049 INFO L479 AbstractCegarLoop]: Abstraction has 1774 states and 2399 transitions. [2020-10-14 02:39:50,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:39:50,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 2399 transitions. [2020-10-14 02:39:50,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-14 02:39:50,060 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:39:50,060 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 02:39:50,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 02:39:50,060 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:39:50,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:39:50,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1810530542, now seen corresponding path program 1 times [2020-10-14 02:39:50,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:39:50,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1255138434] [2020-10-14 02:39:50,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:39:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:50,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:50,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:51,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:51,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-14 02:39:51,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:39:51,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1176 [2020-10-14 02:39:51,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:51,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:51,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:39:51,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-14 02:39:51,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 02:39:51,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:51,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:39:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:51,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:51,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:51,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:39:51,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:51,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 02:39:51,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:51,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:51,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:39:51,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:51,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:39:51,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:51,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:39:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:51,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:51,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:51,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 02:39:51,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:51,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-14 02:39:51,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:51,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:51,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:51,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:51,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 02:39:51,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:51,553 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:39:51,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1255138434] [2020-10-14 02:39:51,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:39:51,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 02:39:51,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126112127] [2020-10-14 02:39:51,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 02:39:51,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:39:51,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 02:39:51,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:39:51,567 INFO L87 Difference]: Start difference. First operand 1774 states and 2399 transitions. Second operand 6 states. [2020-10-14 02:39:54,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:39:54,633 INFO L93 Difference]: Finished difference Result 4138 states and 5758 transitions. [2020-10-14 02:39:54,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 02:39:54,635 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 111 [2020-10-14 02:39:54,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:39:54,651 INFO L225 Difference]: With dead ends: 4138 [2020-10-14 02:39:54,651 INFO L226 Difference]: Without dead ends: 2370 [2020-10-14 02:39:54,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 02:39:54,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2370 states. [2020-10-14 02:39:54,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2370 to 2346. [2020-10-14 02:39:54,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2346 states. [2020-10-14 02:39:54,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 2346 states and 3191 transitions. [2020-10-14 02:39:54,743 INFO L78 Accepts]: Start accepts. Automaton has 2346 states and 3191 transitions. Word has length 111 [2020-10-14 02:39:54,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:39:54,743 INFO L479 AbstractCegarLoop]: Abstraction has 2346 states and 3191 transitions. [2020-10-14 02:39:54,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 02:39:54,743 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 3191 transitions. [2020-10-14 02:39:54,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-14 02:39:54,747 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:39:54,747 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:39:54,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 02:39:54,747 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:39:54,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:39:54,748 INFO L82 PathProgramCache]: Analyzing trace with hash -727591200, now seen corresponding path program 1 times [2020-10-14 02:39:54,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:39:54,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1125554353] [2020-10-14 02:39:54,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:39:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:54,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:55,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:55,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-14 02:39:55,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:55,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 522 [2020-10-14 02:39:55,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:55,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:55,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 02:39:55,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 02:39:55,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-14 02:39:55,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:55,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:39:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:55,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:55,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:55,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:39:55,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:55,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 02:39:55,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:55,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:55,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:39:55,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:39:55,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:39:55,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:55,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:39:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:55,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:55,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:39:55,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-14 02:39:55,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:39:55,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-10-14 02:39:55,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:39:55,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:39:55,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:39:55,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:39:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-14 02:39:55,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:39:55,894 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:39:55,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1125554353] [2020-10-14 02:39:55,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 02:39:55,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 02:39:55,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318933430] [2020-10-14 02:39:55,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:39:55,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:39:55,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:39:55,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:39:55,898 INFO L87 Difference]: Start difference. First operand 2346 states and 3191 transitions. Second operand 7 states. [2020-10-14 02:39:58,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:39:58,764 INFO L93 Difference]: Finished difference Result 6485 states and 9079 transitions. [2020-10-14 02:39:58,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:39:58,765 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 160 [2020-10-14 02:39:58,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:39:58,793 INFO L225 Difference]: With dead ends: 6485 [2020-10-14 02:39:58,793 INFO L226 Difference]: Without dead ends: 4145 [2020-10-14 02:39:58,802 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:39:58,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4145 states. [2020-10-14 02:39:58,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4145 to 4134. [2020-10-14 02:39:58,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4134 states. [2020-10-14 02:39:58,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4134 states to 4134 states and 5487 transitions. [2020-10-14 02:39:58,952 INFO L78 Accepts]: Start accepts. Automaton has 4134 states and 5487 transitions. Word has length 160 [2020-10-14 02:39:58,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:39:58,952 INFO L479 AbstractCegarLoop]: Abstraction has 4134 states and 5487 transitions. [2020-10-14 02:39:58,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:39:58,952 INFO L276 IsEmpty]: Start isEmpty. Operand 4134 states and 5487 transitions. [2020-10-14 02:39:58,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-14 02:39:58,956 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:39:58,956 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 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 02:39:58,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 02:39:58,957 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:39:58,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:39:58,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1639919989, now seen corresponding path program 1 times [2020-10-14 02:39:58,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:39:58,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058587816] [2020-10-14 02:39:58,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:39:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:39:59,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:59,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:39:59,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:01,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:01,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:04,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:04,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-14 02:40:04,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 02:40:04,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-14 02:40:04,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:04,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:04,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:04,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 02:40:04,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 02:40:04,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:04,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:40:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:04,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:04,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:04,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:40:04,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:04,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:40:04,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:04,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:04,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:04,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:04,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:04,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:04,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:40:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:04,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:04,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:04,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 02:40:04,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:04,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-14 02:40:04,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:04,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:04,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:40:04,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:04,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 02:40:04,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:04,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 02:40:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:04,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:04,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:04,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 02:40:04,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:04,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-14 02:40:04,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:04,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:04,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:04,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:40:04,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 02:40:04,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:04,542 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:40:04,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058587816] [2020-10-14 02:40:04,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:40:04,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:40:04,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958492934] [2020-10-14 02:40:04,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:40:04,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:40:04,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:40:04,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:40:04,546 INFO L87 Difference]: Start difference. First operand 4134 states and 5487 transitions. Second operand 7 states. [2020-10-14 02:40:07,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:40:07,367 INFO L93 Difference]: Finished difference Result 9912 states and 13942 transitions. [2020-10-14 02:40:07,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 02:40:07,368 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 180 [2020-10-14 02:40:07,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:40:07,402 INFO L225 Difference]: With dead ends: 9912 [2020-10-14 02:40:07,402 INFO L226 Difference]: Without dead ends: 5972 [2020-10-14 02:40:07,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:40:07,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5972 states. [2020-10-14 02:40:07,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5972 to 4943. [2020-10-14 02:40:07,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4943 states. [2020-10-14 02:40:07,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4943 states to 4943 states and 6193 transitions. [2020-10-14 02:40:07,590 INFO L78 Accepts]: Start accepts. Automaton has 4943 states and 6193 transitions. Word has length 180 [2020-10-14 02:40:07,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:40:07,590 INFO L479 AbstractCegarLoop]: Abstraction has 4943 states and 6193 transitions. [2020-10-14 02:40:07,590 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:40:07,590 INFO L276 IsEmpty]: Start isEmpty. Operand 4943 states and 6193 transitions. [2020-10-14 02:40:07,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-14 02:40:07,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:40:07,599 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:07,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 02:40:07,600 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:40:07,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:40:07,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1199781813, now seen corresponding path program 1 times [2020-10-14 02:40:07,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:40:07,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [369728500] [2020-10-14 02:40:07,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:40:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:07,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:07,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:09,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:09,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:12,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:12,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-14 02:40:12,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:40:12,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-14 02:40:12,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:12,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:12,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:12,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 02:40:12,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-10-14 02:40:12,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:12,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:40:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:12,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:12,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:12,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:40:12,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:12,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:40:12,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:12,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:12,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:12,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:12,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:12,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:12,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:40:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:12,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:12,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:12,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 02:40:12,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:12,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 02:40:12,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:12,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:12,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:40:12,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:12,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 02:40:12,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:12,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 02:40:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:12,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:13,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:13,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-14 02:40:13,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:13,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 370 [2020-10-14 02:40:13,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:13,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:13,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:13,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:40:13,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-14 02:40:13,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:13,769 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:40:13,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [369728500] [2020-10-14 02:40:13,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:40:13,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:40:13,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082911818] [2020-10-14 02:40:13,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:40:13,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:40:13,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:40:13,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:40:13,774 INFO L87 Difference]: Start difference. First operand 4943 states and 6193 transitions. Second operand 7 states. [2020-10-14 02:40:16,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:40:16,386 INFO L93 Difference]: Finished difference Result 10302 states and 12897 transitions. [2020-10-14 02:40:16,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:40:16,386 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 255 [2020-10-14 02:40:16,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:40:16,410 INFO L225 Difference]: With dead ends: 10302 [2020-10-14 02:40:16,411 INFO L226 Difference]: Without dead ends: 5167 [2020-10-14 02:40:16,423 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:40:16,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5167 states. [2020-10-14 02:40:16,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5167 to 5151. [2020-10-14 02:40:16,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5151 states. [2020-10-14 02:40:16,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5151 states to 5151 states and 6374 transitions. [2020-10-14 02:40:16,552 INFO L78 Accepts]: Start accepts. Automaton has 5151 states and 6374 transitions. Word has length 255 [2020-10-14 02:40:16,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:40:16,553 INFO L479 AbstractCegarLoop]: Abstraction has 5151 states and 6374 transitions. [2020-10-14 02:40:16,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:40:16,553 INFO L276 IsEmpty]: Start isEmpty. Operand 5151 states and 6374 transitions. [2020-10-14 02:40:16,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-10-14 02:40:16,559 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:40:16,560 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:16,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 02:40:16,560 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:40:16,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:40:16,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1385485642, now seen corresponding path program 1 times [2020-10-14 02:40:16,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:40:16,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1972947007] [2020-10-14 02:40:16,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:40:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:16,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:16,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:17,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:18,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:20,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:20,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-14 02:40:20,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:40:20,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3640 [2020-10-14 02:40:20,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:20,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:20,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:20,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 02:40:20,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-10-14 02:40:20,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:20,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:40:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:20,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:20,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:20,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:40:20,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:20,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:40:20,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:20,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:20,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:20,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:20,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:20,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:20,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:40:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:20,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:20,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:20,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 02:40:20,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:20,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 02:40:20,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:20,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:20,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:40:20,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:20,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 02:40:20,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:20,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 02:40:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:20,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:20,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:20,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-14 02:40:20,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:20,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 417 [2020-10-14 02:40:20,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:20,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:20,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:20,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:40:20,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-14 02:40:20,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:21,222 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:40:21,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1972947007] [2020-10-14 02:40:21,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:40:21,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:40:21,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418089174] [2020-10-14 02:40:21,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:40:21,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:40:21,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:40:21,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:40:21,225 INFO L87 Difference]: Start difference. First operand 5151 states and 6374 transitions. Second operand 7 states. [2020-10-14 02:40:23,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:40:23,666 INFO L93 Difference]: Finished difference Result 12058 states and 15045 transitions. [2020-10-14 02:40:23,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:40:23,671 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 256 [2020-10-14 02:40:23,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:40:23,713 INFO L225 Difference]: With dead ends: 12058 [2020-10-14 02:40:23,713 INFO L226 Difference]: Without dead ends: 6895 [2020-10-14 02:40:23,729 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:40:23,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6895 states. [2020-10-14 02:40:23,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6895 to 6869. [2020-10-14 02:40:23,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6869 states. [2020-10-14 02:40:23,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6869 states to 6869 states and 8288 transitions. [2020-10-14 02:40:23,948 INFO L78 Accepts]: Start accepts. Automaton has 6869 states and 8288 transitions. Word has length 256 [2020-10-14 02:40:23,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:40:23,949 INFO L479 AbstractCegarLoop]: Abstraction has 6869 states and 8288 transitions. [2020-10-14 02:40:23,949 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:40:23,949 INFO L276 IsEmpty]: Start isEmpty. Operand 6869 states and 8288 transitions. [2020-10-14 02:40:23,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-10-14 02:40:23,959 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:40:23,959 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-14 02:40:23,959 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 02:40:23,960 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:40:23,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:40:23,960 INFO L82 PathProgramCache]: Analyzing trace with hash -416689495, now seen corresponding path program 1 times [2020-10-14 02:40:23,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:40:23,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1858760074] [2020-10-14 02:40:23,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:40:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:24,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:24,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:25,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:25,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-14 02:40:25,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:40:25,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1454 [2020-10-14 02:40:25,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:25,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:25,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:25,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 02:40:25,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 02:40:25,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:25,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:40:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:25,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:25,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:25,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:40:25,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:25,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:40:25,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:25,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:25,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:25,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:25,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:25,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:25,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:40:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:25,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:25,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:25,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 02:40:25,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:25,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-14 02:40:25,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:25,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:25,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:40:25,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:25,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 02:40:25,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:25,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 02:40:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:25,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:26,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:26,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-14 02:40:26,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:26,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-14 02:40:26,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:26,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:26,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:26,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:40:26,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-14 02:40:26,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:26,135 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:40:26,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1858760074] [2020-10-14 02:40:26,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:40:26,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:40:26,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455163237] [2020-10-14 02:40:26,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:40:26,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:40:26,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:40:26,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:40:26,138 INFO L87 Difference]: Start difference. First operand 6869 states and 8288 transitions. Second operand 7 states. [2020-10-14 02:40:28,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:40:28,966 INFO L93 Difference]: Finished difference Result 17054 states and 21457 transitions. [2020-10-14 02:40:28,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:40:28,967 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 256 [2020-10-14 02:40:28,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:40:29,006 INFO L225 Difference]: With dead ends: 17054 [2020-10-14 02:40:29,007 INFO L226 Difference]: Without dead ends: 10379 [2020-10-14 02:40:29,025 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:40:29,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10379 states. [2020-10-14 02:40:29,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10379 to 9909. [2020-10-14 02:40:29,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9909 states. [2020-10-14 02:40:29,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9909 states to 9909 states and 11794 transitions. [2020-10-14 02:40:29,253 INFO L78 Accepts]: Start accepts. Automaton has 9909 states and 11794 transitions. Word has length 256 [2020-10-14 02:40:29,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:40:29,254 INFO L479 AbstractCegarLoop]: Abstraction has 9909 states and 11794 transitions. [2020-10-14 02:40:29,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:40:29,255 INFO L276 IsEmpty]: Start isEmpty. Operand 9909 states and 11794 transitions. [2020-10-14 02:40:29,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-10-14 02:40:29,264 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:40:29,264 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-14 02:40:29,265 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 02:40:29,265 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:40:29,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:40:29,265 INFO L82 PathProgramCache]: Analyzing trace with hash 490213722, now seen corresponding path program 1 times [2020-10-14 02:40:29,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:40:29,266 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785935048] [2020-10-14 02:40:29,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:40:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:29,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:29,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:29,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-10-14 02:40:29,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:29,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 470 [2020-10-14 02:40:29,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:29,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:29,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:29,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 02:40:29,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-14 02:40:29,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:29,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:40:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:29,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:29,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:29,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:40:29,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:29,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:40:29,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:29,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:29,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:29,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:29,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:29,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:29,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:40:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:29,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:30,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:30,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 02:40:30,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:30,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-14 02:40:30,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:30,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:30,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:40:30,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:30,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 02:40:30,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:30,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 02:40:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:30,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:30,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:30,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-14 02:40:30,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:30,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-10-14 02:40:30,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:30,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:30,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:30,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:40:30,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-14 02:40:30,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:30,692 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:40:30,693 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1785935048] [2020-10-14 02:40:30,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:40:30,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:40:30,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686510529] [2020-10-14 02:40:30,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:40:30,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:40:30,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:40:30,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:40:30,696 INFO L87 Difference]: Start difference. First operand 9909 states and 11794 transitions. Second operand 7 states. [2020-10-14 02:40:33,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:40:33,136 INFO L93 Difference]: Finished difference Result 20407 states and 24393 transitions. [2020-10-14 02:40:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 02:40:33,137 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 276 [2020-10-14 02:40:33,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:40:33,180 INFO L225 Difference]: With dead ends: 20407 [2020-10-14 02:40:33,180 INFO L226 Difference]: Without dead ends: 10692 [2020-10-14 02:40:33,202 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 02:40:33,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10692 states. [2020-10-14 02:40:33,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10692 to 10481. [2020-10-14 02:40:33,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10481 states. [2020-10-14 02:40:33,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10481 states to 10481 states and 12418 transitions. [2020-10-14 02:40:33,416 INFO L78 Accepts]: Start accepts. Automaton has 10481 states and 12418 transitions. Word has length 276 [2020-10-14 02:40:33,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:40:33,417 INFO L479 AbstractCegarLoop]: Abstraction has 10481 states and 12418 transitions. [2020-10-14 02:40:33,417 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:40:33,417 INFO L276 IsEmpty]: Start isEmpty. Operand 10481 states and 12418 transitions. [2020-10-14 02:40:33,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-10-14 02:40:33,427 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:40:33,427 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-14 02:40:33,428 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 02:40:33,428 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:40:33,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:40:33,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1800849510, now seen corresponding path program 1 times [2020-10-14 02:40:33,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:40:33,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1604368823] [2020-10-14 02:40:33,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:40:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:33,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:33,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:33,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-10-14 02:40:33,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:33,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 446 [2020-10-14 02:40:33,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:33,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:33,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:33,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-14 02:40:33,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-14 02:40:33,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:34,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:40:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:34,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:34,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:34,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:40:34,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:34,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:40:34,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:34,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:34,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:34,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:34,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:34,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:34,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:40:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:34,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:34,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:34,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 02:40:34,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:34,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-14 02:40:34,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:34,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:34,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:40:34,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:34,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-14 02:40:34,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:34,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 02:40:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:34,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:34,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:34,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-14 02:40:34,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:34,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-10-14 02:40:34,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:34,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:34,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:34,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:40:34,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-14 02:40:34,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 143 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:40:34,800 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1604368823] [2020-10-14 02:40:34,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:40:34,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 02:40:34,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636933485] [2020-10-14 02:40:34,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 02:40:34,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:40:34,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 02:40:34,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 02:40:34,802 INFO L87 Difference]: Start difference. First operand 10481 states and 12418 transitions. Second operand 8 states. [2020-10-14 02:40:38,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:40:38,206 INFO L93 Difference]: Finished difference Result 21557 states and 25516 transitions. [2020-10-14 02:40:38,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:40:38,207 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 286 [2020-10-14 02:40:38,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:40:38,237 INFO L225 Difference]: With dead ends: 21557 [2020-10-14 02:40:38,237 INFO L226 Difference]: Without dead ends: 11082 [2020-10-14 02:40:38,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-14 02:40:38,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11082 states. [2020-10-14 02:40:38,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11082 to 10677. [2020-10-14 02:40:38,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10677 states. [2020-10-14 02:40:38,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10677 states to 10677 states and 12565 transitions. [2020-10-14 02:40:38,539 INFO L78 Accepts]: Start accepts. Automaton has 10677 states and 12565 transitions. Word has length 286 [2020-10-14 02:40:38,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:40:38,540 INFO L479 AbstractCegarLoop]: Abstraction has 10677 states and 12565 transitions. [2020-10-14 02:40:38,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 02:40:38,540 INFO L276 IsEmpty]: Start isEmpty. Operand 10677 states and 12565 transitions. [2020-10-14 02:40:38,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-10-14 02:40:38,549 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:40:38,550 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-14 02:40:38,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 02:40:38,550 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:40:38,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:40:38,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1888368703, now seen corresponding path program 1 times [2020-10-14 02:40:38,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:40:38,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [624290386] [2020-10-14 02:40:38,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:40:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:38,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:38,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:39,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:39,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:39,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 311 [2020-10-14 02:40:39,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:40:39,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1218 [2020-10-14 02:40:39,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:39,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:39,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:39,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 02:40:39,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-14 02:40:39,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:39,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:40:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:39,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:39,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:39,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:40:39,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:39,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:40:39,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:39,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:39,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:39,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:39,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:39,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:39,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:40:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:40,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:40,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:40,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 02:40:40,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:40,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-14 02:40:40,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:40,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:40,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:40:40,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:40,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 02:40:40,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:40,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 02:40:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:40,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:40,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:40,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-14 02:40:40,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:40,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-14 02:40:40,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:40,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:40,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:40,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:40:40,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-14 02:40:40,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:40,560 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 146 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:40:40,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [624290386] [2020-10-14 02:40:40,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:40:40,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:40:40,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859165088] [2020-10-14 02:40:40,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:40:40,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:40:40,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:40:40,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:40:40,563 INFO L87 Difference]: Start difference. First operand 10677 states and 12565 transitions. Second operand 7 states. [2020-10-14 02:40:43,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:40:43,092 INFO L93 Difference]: Finished difference Result 21492 states and 25654 transitions. [2020-10-14 02:40:43,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 02:40:43,093 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 299 [2020-10-14 02:40:43,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:40:43,124 INFO L225 Difference]: With dead ends: 21492 [2020-10-14 02:40:43,125 INFO L226 Difference]: Without dead ends: 10821 [2020-10-14 02:40:43,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:40:43,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10821 states. [2020-10-14 02:40:43,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10821 to 10489. [2020-10-14 02:40:43,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10489 states. [2020-10-14 02:40:43,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10489 states to 10489 states and 12271 transitions. [2020-10-14 02:40:43,370 INFO L78 Accepts]: Start accepts. Automaton has 10489 states and 12271 transitions. Word has length 299 [2020-10-14 02:40:43,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:40:43,370 INFO L479 AbstractCegarLoop]: Abstraction has 10489 states and 12271 transitions. [2020-10-14 02:40:43,371 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:40:43,371 INFO L276 IsEmpty]: Start isEmpty. Operand 10489 states and 12271 transitions. [2020-10-14 02:40:43,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-10-14 02:40:43,384 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:40:43,385 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-14 02:40:43,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 02:40:43,385 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:40:43,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:40:43,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1784132621, now seen corresponding path program 1 times [2020-10-14 02:40:43,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:40:43,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [865303904] [2020-10-14 02:40:43,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:40:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:43,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:43,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:43,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 319 [2020-10-14 02:40:43,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:43,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 456 [2020-10-14 02:40:43,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:43,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:43,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:43,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-14 02:40:43,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-14 02:40:43,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:44,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:40:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:44,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:44,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:44,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:40:44,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:44,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:40:44,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:44,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:44,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:44,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:44,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:44,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:44,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:40:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:44,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:44,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:44,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 02:40:44,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:44,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 02:40:44,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:44,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:44,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:40:44,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:44,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 02:40:44,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:44,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 02:40:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:44,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:44,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:44,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-14 02:40:44,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:44,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-14 02:40:44,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:44,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:44,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:44,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:40:44,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-14 02:40:44,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:44,935 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 160 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:40:44,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [865303904] [2020-10-14 02:40:44,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:40:44,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:40:44,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277763093] [2020-10-14 02:40:44,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:40:44,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:40:44,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:40:44,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:40:44,938 INFO L87 Difference]: Start difference. First operand 10489 states and 12271 transitions. Second operand 7 states. [2020-10-14 02:40:47,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:40:47,376 INFO L93 Difference]: Finished difference Result 21379 states and 24994 transitions. [2020-10-14 02:40:47,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:40:47,377 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 307 [2020-10-14 02:40:47,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:40:47,402 INFO L225 Difference]: With dead ends: 21379 [2020-10-14 02:40:47,402 INFO L226 Difference]: Without dead ends: 10896 [2020-10-14 02:40:47,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 02:40:47,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10896 states. [2020-10-14 02:40:47,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10896 to 10871. [2020-10-14 02:40:47,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10871 states. [2020-10-14 02:40:47,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10871 states to 10871 states and 12661 transitions. [2020-10-14 02:40:47,591 INFO L78 Accepts]: Start accepts. Automaton has 10871 states and 12661 transitions. Word has length 307 [2020-10-14 02:40:47,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:40:47,591 INFO L479 AbstractCegarLoop]: Abstraction has 10871 states and 12661 transitions. [2020-10-14 02:40:47,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:40:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 10871 states and 12661 transitions. [2020-10-14 02:40:47,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-10-14 02:40:47,603 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:40:47,603 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-14 02:40:47,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 02:40:47,604 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:40:47,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:40:47,604 INFO L82 PathProgramCache]: Analyzing trace with hash 192083906, now seen corresponding path program 1 times [2020-10-14 02:40:47,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:40:47,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1659690446] [2020-10-14 02:40:47,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:40:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:47,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:48,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:48,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:48,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 325 [2020-10-14 02:40:48,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:40:48,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1128 [2020-10-14 02:40:48,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:48,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:48,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:48,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 02:40:48,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-14 02:40:48,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:48,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:40:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:48,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:48,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:48,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:40:48,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:48,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 02:40:48,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:48,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:48,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:40:48,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:48,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:40:48,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:48,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:40:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:48,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:49,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:49,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 02:40:49,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:49,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 02:40:49,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:49,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:49,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:40:49,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:40:49,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 02:40:49,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:40:49,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 02:40:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:40:49,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:40:49,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:40:49,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-14 02:40:49,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:40:49,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-14 02:40:49,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:40:49,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:40:49,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:40:49,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:40:49,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-14 02:40:49,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:40:49,413 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 146 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:40:49,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1659690446] [2020-10-14 02:40:49,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:40:49,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:40:49,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891581030] [2020-10-14 02:40:49,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:40:49,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:40:49,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:40:49,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:40:49,416 INFO L87 Difference]: Start difference. First operand 10871 states and 12661 transitions. Second operand 7 states. [2020-10-14 02:40:52,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:40:52,765 INFO L93 Difference]: Finished difference Result 24046 states and 27924 transitions. [2020-10-14 02:40:52,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:40:52,766 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 313 [2020-10-14 02:40:52,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:40:52,801 INFO L225 Difference]: With dead ends: 24046 [2020-10-14 02:40:52,801 INFO L226 Difference]: Without dead ends: 13181 [2020-10-14 02:40:52,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:40:52,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13181 states. [2020-10-14 02:40:53,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13181 to 11829. [2020-10-14 02:40:53,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11829 states. [2020-10-14 02:40:53,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11829 states to 11829 states and 13704 transitions. [2020-10-14 02:40:53,068 INFO L78 Accepts]: Start accepts. Automaton has 11829 states and 13704 transitions. Word has length 313 [2020-10-14 02:40:53,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:40:53,069 INFO L479 AbstractCegarLoop]: Abstraction has 11829 states and 13704 transitions. [2020-10-14 02:40:53,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:40:53,069 INFO L276 IsEmpty]: Start isEmpty. Operand 11829 states and 13704 transitions. [2020-10-14 02:40:53,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-10-14 02:40:53,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:40:53,086 INFO L422 BasicCegarLoop]: trace histogram [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, 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 02:40:53,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 02:40:53,086 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:40:53,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:40:53,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1995471996, now seen corresponding path program 1 times [2020-10-14 02:40:53,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:40:53,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [842554691] [2020-10-14 02:40:53,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:40:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 02:40:53,200 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 02:40:53,202 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 02:40:53,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 02:40:53,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 02:40:53 BoogieIcfgContainer [2020-10-14 02:40:53,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 02:40:53,296 INFO L168 Benchmark]: Toolchain (without parser) took 81568.06 ms. Allocated memory was 147.3 MB in the beginning and 1.1 GB in the end (delta: 947.4 MB). Free memory was 100.6 MB in the beginning and 505.2 MB in the end (delta: -404.6 MB). Peak memory consumption was 542.8 MB. Max. memory is 7.1 GB. [2020-10-14 02:40:53,297 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-14 02:40:53,302 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1207.57 ms. Allocated memory was 147.3 MB in the beginning and 211.8 MB in the end (delta: 64.5 MB). Free memory was 100.2 MB in the beginning and 166.8 MB in the end (delta: -66.6 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. [2020-10-14 02:40:53,309 INFO L168 Benchmark]: Boogie Preprocessor took 165.29 ms. Allocated memory is still 211.8 MB. Free memory was 166.8 MB in the beginning and 158.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. [2020-10-14 02:40:53,310 INFO L168 Benchmark]: RCFGBuilder took 1825.15 ms. Allocated memory was 211.8 MB in the beginning and 241.7 MB in the end (delta: 29.9 MB). Free memory was 158.9 MB in the beginning and 99.6 MB in the end (delta: 59.3 MB). Peak memory consumption was 89.2 MB. Max. memory is 7.1 GB. [2020-10-14 02:40:53,311 INFO L168 Benchmark]: TraceAbstraction took 78363.04 ms. Allocated memory was 241.7 MB in the beginning and 1.1 GB in the end (delta: 853.0 MB). Free memory was 99.6 MB in the beginning and 505.2 MB in the end (delta: -405.7 MB). Peak memory consumption was 447.4 MB. Max. memory is 7.1 GB. [2020-10-14 02:40:53,318 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1207.57 ms. Allocated memory was 147.3 MB in the beginning and 211.8 MB in the end (delta: 64.5 MB). Free memory was 100.2 MB in the beginning and 166.8 MB in the end (delta: -66.6 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 165.29 ms. Allocated memory is still 211.8 MB. Free memory was 166.8 MB in the beginning and 158.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1825.15 ms. Allocated memory was 211.8 MB in the beginning and 241.7 MB in the end (delta: 29.9 MB). Free memory was 158.9 MB in the beginning and 99.6 MB in the end (delta: 59.3 MB). Peak memory consumption was 89.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 78363.04 ms. Allocated memory was 241.7 MB in the beginning and 1.1 GB in the end (delta: 853.0 MB). Free memory was 99.6 MB in the beginning and 505.2 MB in the end (delta: -405.7 MB). Peak memory consumption was 447.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 39]: 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 FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L531] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L537] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L542] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L549] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L555] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L561] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L566] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L572] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L575] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L581] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L586] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && ((a3==1) && (!(a4==1) && ((input == 4) && (((a25==10) && ((140 < a29) && (245 >= a29)) ) || (((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9)))))))) && (a8==15))) [L598] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L603] COND FALSE !(( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1)))) [L615] COND FALSE !(((((((a3==1) && ((input == 5) && ((a25==11) || (a25==12)))) && (a4==1)) && 306 < a23 ) && ((140 < a29) && (245 >= a29)) ) && (a8==15))) [L621] COND FALSE !(((((a4==1) && ( 306 < a23 && ((a8==15) && (((a25==11) || (a25==12)) && (input == 2))))) && ((140 < a29) && (245 >= a29)) ) && (a3==1))) [L628] COND FALSE !(((((a8==15) && ( a23 <= -43 && (!(a4==1) && ((a25==11) && (input == 5))))) && (a3==1)) && ((245 < a29) && (277 >= a29)) )) [L635] COND FALSE !((((((((input == 2) && ((a25==9) || (a25==10))) && (a8==15)) && ((140 < a29) && (245 >= a29)) ) && 306 < a23 ) && (a3==1)) && (a4==1))) [L642] COND FALSE !(((a8==15) && (((( 277 < a29 && ((input == 2) && ((a25==11) || ((a25==9) || (a25==10))))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L647] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 3) && ((a25==12) || ((a25==10) || (a25==11))))) && !(a4==1)) && (a8==15)) && a29 <= 140 ) && (a3==1))) [L658] COND FALSE !((((!(a4==1) && ((((input == 6) && ((a25==12) || ((a25==10) || (a25==11)))) && (a8==15)) && ((-43 < a23) && (138 >= a23)) )) && (a3==1)) && a29 <= 140 )) [L663] COND FALSE !(((a25==9) && (( a29 <= 140 && ((a3==1) && (!(a4==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 2))))) && (a8==15)))) [L670] COND FALSE !((!(a4==1) && ( a23 <= -43 && (((a8==15) && (((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ( ((245 < a29) && (277 >= a29)) && (a25==13))) || ((a25==9) && 277 < a29 )) && (input == 3))) && (a3==1))))) [L675] COND FALSE !((((!(a4==1) && ((a3==1) && ((input == 5) && ((( ((245 < a29) && (277 >= a29)) && (a25==12)) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ((a25==9) && 277 < a29 ))))) && a23 <= -43 ) && (a8==15))) [L681] COND FALSE !(( a23 <= -43 && (!(a4==1) && ( ((245 < a29) && (277 >= a29)) && ((a8==15) && ((a25==11) && ((a3==1) && (input == 3)))))))) [L688] COND FALSE !(((((a8==15) && ( 306 < a23 && ( ((140 < a29) && (245 >= a29)) && ((input == 1) && ((a25==9) || (a25==10)))))) && (a4==1)) && (a3==1))) [L694] COND FALSE !((!(a4==1) && (((((a3==1) && ((input == 2) && (((a25==9) || (a25==10)) || (a25==11)))) && ((140 < a29) && (245 >= a29)) ) && a23 <= -43 ) && (a8==15)))) [L706] COND FALSE !(((((((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))) && (input == 6)) && (a3==1)) && 306 < a23 ) && (a4==1)) && (a8==15))) [L712] COND FALSE !(( 306 < a23 && ((a8==15) && ( 277 < a29 && ((a4==1) && ((a3==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 5)))))))) [L717] COND FALSE !(((( 277 < a29 && ((a8==15) && (((input == 6) && a23 <= -43 ) && (a25==13)))) && !(a4==1)) && (a3==1))) [L731] COND FALSE !(((a3==1) && (((!(a4==1) && ((( ((140 < a29) && (245 >= a29)) && (a25==10)) || (( a29 <= 140 && (a25==13)) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))) && (input == 3))) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)))) [L738] COND FALSE !(((a3==1) && (( 306 < a23 && (((a4==1) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 1))) && a29 <= 140 )) && (a8==15)))) [L743] COND FALSE !((((( a23 <= -43 && ((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))))) && (a3==1)) && !(a4==1)) && (a8==15))) [L750] COND FALSE !(((!(a4==1) && (((a8==15) && ( a29 <= 140 && (((a25==10) || (a25==11)) && (input == 5)))) && a23 <= -43 )) && (a3==1))) [L757] COND FALSE !((((((a8==15) && ((a3==1) && ( a23 <= -43 && (input == 5)))) && !(a4==1)) && (a25==13)) && 277 < a29 )) [L769] COND FALSE !(((a8==15) && ((a3==1) && ( 306 < a23 && ((((((a25==11) || (a25==12)) || (a25==13)) && (input == 1)) && (a4==1)) && ((245 < a29) && (277 >= a29)) ))))) [L774] COND FALSE !((!(a4==1) && (((((((a25==12) || (a25==13)) && (input == 6)) && (a8==15)) && a23 <= -43 ) && (a3==1)) && a29 <= 140 ))) [L780] COND FALSE !(((a3==1) && (( a23 <= -43 && (((input == 6) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && !(a4==1))) && (a8==15)))) [L787] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 6)) && (a25==9))) && a29 <= 140 ) && (a3==1)) && (a8==15))) [L792] COND FALSE !((( a29 <= 140 && ((a3==1) && ((a8==15) && ((a25==13) && ( 306 < a23 && (input == 1)))))) && (a4==1))) [L799] COND FALSE !(((a3==1) && (((a8==15) && (((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9)))) && (input == 5)) && 306 < a23 )) && (a4==1)))) [L804] COND FALSE !((((((a8==15) && ((input == 4) && (( 277 < a29 && (a25==9)) || (( ((245 < a29) && (277 >= a29)) && (a25==12)) || ( ((245 < a29) && (277 >= a29)) && (a25==13)))))) && !(a4==1)) && a23 <= -43 ) && (a3==1))) [L816] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (!(a4==1) && ((input == 5) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (( a29 <= 140 && (a25==13)) || ((a25==9) && ((140 < a29) && (245 >= a29)) )))))) && (a8==15)) && (a3==1))) [L822] COND FALSE !(( a29 <= 140 && ((((( 306 < a23 && (input == 2)) && (a25==13)) && (a4==1)) && (a3==1)) && (a8==15)))) [L825] COND FALSE !(((a8==15) && ((((a3==1) && ((((a25==10) || (a25==11)) && (input == 6)) && a29 <= 140 )) && a23 <= -43 ) && !(a4==1)))) [L831] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((a8==15) && (((a25==13) || ((a25==11) || (a25==12))) && (input == 4))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L836] COND FALSE !((((a3==1) && ((a8==15) && ((((a25==13) && (input == 4)) && (a4==1)) && a29 <= 140 ))) && 306 < a23 )) [L841] COND FALSE !((( 306 < a23 && ((a25==13) && ((((input == 3) && a29 <= 140 ) && (a3==1)) && (a4==1)))) && (a8==15))) [L846] COND FALSE !((!(a4==1) && (( 277 < a29 && ((((input == 4) && a23 <= -43 ) && (a8==15)) && (a3==1))) && (a25==13)))) [L852] COND FALSE !(((a3==1) && (((((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ) || (( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==12))) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13))))) && (input == 1)) && (a8==15)))) [L859] COND FALSE !(( 277 < a29 && ((a3==1) && ((a8==15) && ((a4==1) && ( 306 < a23 && ((input == 6) && (((a25==9) || (a25==10)) || (a25==11))))))))) [L865] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 4) && ((a25==12) || ((a25==10) || (a25==11))))) && (a8==15)) && !(a4==1)) && (a3==1)) && a29 <= 140 )) [L876] COND FALSE !(((((( a23 <= -43 && ((input == 5) && ((a25==12) || ((a25==10) || (a25==11))))) && (a3==1)) && !(a4==1)) && 277 < a29 ) && (a8==15))) [L881] COND FALSE !(((((a8==15) && ((a4==1) && (((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 2)))) && (a3==1)) && 306 < a23 )) [L886] COND FALSE !((( a23 <= -43 && ((( ((140 < a29) && (245 >= a29)) && ((input == 1) && (((a25==9) || (a25==10)) || (a25==11)))) && !(a4==1)) && (a8==15))) && (a3==1))) [L893] COND FALSE !(((((a3==1) && ((((input == 2) && ((a25==12) || ((a25==10) || (a25==11)))) && (a4==1)) && (a8==15))) && a29 <= 140 ) && 306 < a23 )) [L898] COND FALSE !((((((a3==1) && (((input == 1) && (((a25==9) || (a25==10)) || (a25==11))) && 277 < a29 )) && (a4==1)) && (a8==15)) && 306 < a23 )) [L903] COND FALSE !((((a3==1) && ( a23 <= -43 && ((a8==15) && ((input == 2) && (((a25==9) && 277 < a29 ) || (( ((245 < a29) && (277 >= a29)) && (a25==12)) || ((a25==13) && ((245 < a29) && (277 >= a29)) ))))))) && !(a4==1))) [L915] COND FALSE !((((((a8==15) && ((a4==1) && ((input == 4) && ((a25==9) || (a25==10))))) && 306 < a23 ) && (a3==1)) && ((140 < a29) && (245 >= a29)) )) [L927] COND FALSE !(((( 277 < a29 && ( a23 <= -43 && (((a25==13) && (input == 3)) && (a3==1)))) && (a8==15)) && !(a4==1))) [L932] COND FALSE !((((a8==15) && ( a23 <= -43 && (((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9)))) && (input == 2)) && !(a4==1)))) && (a3==1))) [L939] COND FALSE !((((a8==15) && ( 277 < a29 && (!(a4==1) && ( a23 <= -43 && ((((a25==10) || (a25==11)) || (a25==12)) && (input == 2)))))) && (a3==1))) [L953] COND FALSE !(((a3==1) && (( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((a25==9) && (!(a4==1) && (input == 3))))) && a29 <= 140 ))) [L958] COND FALSE !(((a4==1) && ( ((140 < a29) && (245 >= a29)) && ((a3==1) && ( 306 < a23 && (((input == 3) && ((a25==11) || (a25==12))) && (a8==15))))))) [L963] COND FALSE !((((a4==1) && ((a3==1) && ((a25==13) && ( 306 < a23 && ((input == 6) && (a8==15)))))) && a29 <= 140 )) [L969] COND FALSE !((((!(a4==1) && (((input == 6) && (((a25==9) && 277 < a29 ) || (( ((245 < a29) && (277 >= a29)) && (a25==12)) || ((a25==13) && ((245 < a29) && (277 >= a29)) )))) && (a3==1))) && a23 <= -43 ) && (a8==15))) [L981] COND FALSE !(((a8==15) && (( a23 <= -43 && ( a29 <= 140 && (((input == 5) && ((a25==12) || (a25==13))) && !(a4==1)))) && (a3==1)))) [L988] COND FALSE !(((((((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ( ((245 < a29) && (277 >= a29)) && (a25==9)))) && (input == 3)) && (a3==1)) && (a8==15)) && (a4==1)) && 306 < a23 )) [L993] COND FALSE !((((a3==1) && ((((!(a4==1) && (input == 3)) && (a25==12)) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) && (a8==15))) [L1000] COND TRUE ( a29 <= 140 && ((a8==15) && ((a3==1) && (( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 5))) && (a4==1))))) [L1001] a29 = (((((a29 / 5) * 4) + 211235) % 15)- -260) [L1002] a25 = 10 [L1004] return 21; [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 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 FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L531] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L537] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L542] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L549] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L555] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L561] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L566] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L572] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L575] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L581] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L586] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && ((a3==1) && (!(a4==1) && ((input == 4) && (((a25==10) && ((140 < a29) && (245 >= a29)) ) || (((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9)))))))) && (a8==15))) [L598] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L603] COND FALSE !(( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1)))) [L615] COND FALSE !(((((((a3==1) && ((input == 5) && ((a25==11) || (a25==12)))) && (a4==1)) && 306 < a23 ) && ((140 < a29) && (245 >= a29)) ) && (a8==15))) [L621] COND FALSE !(((((a4==1) && ( 306 < a23 && ((a8==15) && (((a25==11) || (a25==12)) && (input == 2))))) && ((140 < a29) && (245 >= a29)) ) && (a3==1))) [L628] COND FALSE !(((((a8==15) && ( a23 <= -43 && (!(a4==1) && ((a25==11) && (input == 5))))) && (a3==1)) && ((245 < a29) && (277 >= a29)) )) [L635] COND FALSE !((((((((input == 2) && ((a25==9) || (a25==10))) && (a8==15)) && ((140 < a29) && (245 >= a29)) ) && 306 < a23 ) && (a3==1)) && (a4==1))) [L642] COND FALSE !(((a8==15) && (((( 277 < a29 && ((input == 2) && ((a25==11) || ((a25==9) || (a25==10))))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L647] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 3) && ((a25==12) || ((a25==10) || (a25==11))))) && !(a4==1)) && (a8==15)) && a29 <= 140 ) && (a3==1))) [L658] COND FALSE !((((!(a4==1) && ((((input == 6) && ((a25==12) || ((a25==10) || (a25==11)))) && (a8==15)) && ((-43 < a23) && (138 >= a23)) )) && (a3==1)) && a29 <= 140 )) [L663] COND FALSE !(((a25==9) && (( a29 <= 140 && ((a3==1) && (!(a4==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 2))))) && (a8==15)))) [L670] COND FALSE !((!(a4==1) && ( a23 <= -43 && (((a8==15) && (((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ( ((245 < a29) && (277 >= a29)) && (a25==13))) || ((a25==9) && 277 < a29 )) && (input == 3))) && (a3==1))))) [L675] COND FALSE !((((!(a4==1) && ((a3==1) && ((input == 5) && ((( ((245 < a29) && (277 >= a29)) && (a25==12)) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ((a25==9) && 277 < a29 ))))) && a23 <= -43 ) && (a8==15))) [L681] COND FALSE !(( a23 <= -43 && (!(a4==1) && ( ((245 < a29) && (277 >= a29)) && ((a8==15) && ((a25==11) && ((a3==1) && (input == 3)))))))) [L688] COND FALSE !(((((a8==15) && ( 306 < a23 && ( ((140 < a29) && (245 >= a29)) && ((input == 1) && ((a25==9) || (a25==10)))))) && (a4==1)) && (a3==1))) [L694] COND FALSE !((!(a4==1) && (((((a3==1) && ((input == 2) && (((a25==9) || (a25==10)) || (a25==11)))) && ((140 < a29) && (245 >= a29)) ) && a23 <= -43 ) && (a8==15)))) [L706] COND TRUE ((((((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))) && (input == 6)) && (a3==1)) && 306 < a23 ) && (a4==1)) && (a8==15)) [L707] a29 = ((((((a29 % 15)+ 248) + 12) * 5) % 15)- -247) [L708] a23 = ((((a23 % 83)- -151) + 459589) - 459544) [L709] a25 = 11 [L711] 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 TRUE ((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15)) [L39] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 78.2s, OverallIterations: 16, TraceHistogramMax: 3, AutomataDifference: 41.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 701 SDtfs, 8849 SDslu, 1106 SDs, 0 SdLazy, 21834 SolverSat, 2890 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 234 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11829occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 3947 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 32.0s InterpolantComputationTime, 3344 NumberOfCodeBlocks, 3344 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2984 ConstructedInterpolants, 0 QuantifiedInterpolants, 3089230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 2 PerfectInterpolantSequences, 1179/1201 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...