/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=NARROWEST --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 [2020-10-13 08:11:50,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:11:50,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:11:50,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:11:50,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:11:50,481 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:11:50,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:11:50,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:11:50,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:11:50,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:11:50,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:11:50,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:11:50,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:11:50,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:11:50,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:11:50,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:11:50,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:11:50,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:11:50,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:11:50,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:11:50,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:11:50,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:11:50,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:11:50,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:11:50,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:11:50,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:11:50,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:11:50,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:11:50,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:11:50,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:11:50,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:11:50,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:11:50,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:11:50,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:11:50,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:11:50,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:11:50,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:11:50,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:11:50,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:11:50,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:11:50,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:11:50,521 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 [2020-10-13 08:11:50,562 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:11:50,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:11:50,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:11:50,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:11:50,565 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:11:50,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:11:50,566 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:11:50,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:11:50,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:11:50,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:11:50,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:11:50,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:11:50,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:11:50,567 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:11:50,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:11:50,568 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:11:50,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:11:50,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:11:50,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:11:50,569 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:11:50,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:11:50,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:11:50,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:11:50,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:11:50,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:11:50,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:11:50,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:11:50,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:11:50,571 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:11:50,572 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:11:50,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:11:50,905 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:11:50,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:11:50,911 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:11:50,911 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:11:50,912 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label51.c [2020-10-13 08:11:50,982 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/993ca62f3/34a08c9c8828493a99c7d53e7d921baa/FLAG98752cabe [2020-10-13 08:11:51,622 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:11:51,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label51.c [2020-10-13 08:11:51,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/993ca62f3/34a08c9c8828493a99c7d53e7d921baa/FLAG98752cabe [2020-10-13 08:11:51,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/993ca62f3/34a08c9c8828493a99c7d53e7d921baa [2020-10-13 08:11:51,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:11:51,876 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:11:51,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:11:51,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:11:51,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:11:51,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:11:51" (1/1) ... [2020-10-13 08:11:51,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53926226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:51, skipping insertion in model container [2020-10-13 08:11:51,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:11:51" (1/1) ... [2020-10-13 08:11:51,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:11:51,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:11:52,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:11:52,836 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:11:53,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:11:53,182 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:11:53,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:53 WrapperNode [2020-10-13 08:11:53,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:11:53,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:11:53,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:11:53,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:11:53,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:53" (1/1) ... [2020-10-13 08:11:53,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:53" (1/1) ... [2020-10-13 08:11:53,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:53" (1/1) ... [2020-10-13 08:11:53,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:53" (1/1) ... [2020-10-13 08:11:53,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:53" (1/1) ... [2020-10-13 08:11:53,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:53" (1/1) ... [2020-10-13 08:11:53,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:53" (1/1) ... [2020-10-13 08:11:53,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:11:53,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:11:53,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:11:53,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:11:53,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:53" (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 [2020-10-13 08:11:53,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:11:53,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:11:53,436 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:11:53,436 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:11:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:11:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:11:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:11:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:11:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:11:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:11:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:11:55,256 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:11:55,257 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:11:55,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:11:55 BoogieIcfgContainer [2020-10-13 08:11:55,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:11:55,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:11:55,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:11:55,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:11:55,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:11:51" (1/3) ... [2020-10-13 08:11:55,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fed2839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:11:55, skipping insertion in model container [2020-10-13 08:11:55,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:53" (2/3) ... [2020-10-13 08:11:55,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fed2839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:11:55, skipping insertion in model container [2020-10-13 08:11:55,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:11:55" (3/3) ... [2020-10-13 08:11:55,275 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label51.c [2020-10-13 08:11:55,290 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:11:55,303 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:11:55,324 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:11:55,357 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:11:55,357 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:11:55,357 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:11:55,358 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:11:55,358 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:11:55,358 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:11:55,358 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:11:55,359 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:11:55,390 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-13 08:11:55,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-13 08:11:55,398 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:11:55,400 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:11:55,400 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:11:55,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:11:55,409 INFO L82 PathProgramCache]: Analyzing trace with hash 234227266, now seen corresponding path program 1 times [2020-10-13 08:11:55,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:11:55,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1422179067] [2020-10-13 08:11:55,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:11:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:55,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:55,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:55,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 08:11:55,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:55,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 336 [2020-10-13 08:11:55,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:55,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:11:55,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:11:55,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 08:11:55,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:11:56,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:11:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:56,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:56,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:56,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:11:56,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:56,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 08:11:56,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:56,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:11:56,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:56,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:11:56,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:56,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:11:56,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1422179067] [2020-10-13 08:11:56,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:11:56,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:11:56,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066317997] [2020-10-13 08:11:56,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:11:56,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:11:56,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:11:56,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:11:56,079 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-13 08:11:58,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:11:58,508 INFO L93 Difference]: Finished difference Result 791 states and 1386 transitions. [2020-10-13 08:11:58,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:11:58,510 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-13 08:11:58,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:11:58,545 INFO L225 Difference]: With dead ends: 791 [2020-10-13 08:11:58,545 INFO L226 Difference]: Without dead ends: 434 [2020-10-13 08:11:58,557 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 [2020-10-13 08:11:58,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-13 08:11:58,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 430. [2020-10-13 08:11:58,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-10-13 08:11:58,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 618 transitions. [2020-10-13 08:11:58,646 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 618 transitions. Word has length 17 [2020-10-13 08:11:58,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:11:58,646 INFO L479 AbstractCegarLoop]: Abstraction has 430 states and 618 transitions. [2020-10-13 08:11:58,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:11:58,647 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 618 transitions. [2020-10-13 08:11:58,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-13 08:11:58,651 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:11:58,652 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] [2020-10-13 08:11:58,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:11:58,652 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:11:58,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:11:58,653 INFO L82 PathProgramCache]: Analyzing trace with hash -904309470, now seen corresponding path program 1 times [2020-10-13 08:11:58,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:11:58,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1842729017] [2020-10-13 08:11:58,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:11:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:58,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:59,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:59,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:59,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 08:11:59,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:11:59,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1014 [2020-10-13 08:11:59,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:59,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:11:59,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 08:11:59,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:11:59,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:11:59,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:11:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:59,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:59,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:59,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:11:59,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:59,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:11:59,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:59,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:11:59,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:59,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:11:59,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:59,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:11:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:59,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:59,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:59,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:11:59,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:59,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-13 08:11:59,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:59,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:11:59,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:59,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 08:11:59,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:59,978 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:11:59,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1842729017] [2020-10-13 08:11:59,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:11:59,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:11:59,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720051149] [2020-10-13 08:11:59,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:11:59,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:11:59,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:11:59,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:11:59,983 INFO L87 Difference]: Start difference. First operand 430 states and 618 transitions. Second operand 5 states. [2020-10-13 08:12:02,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:12:02,288 INFO L93 Difference]: Finished difference Result 1258 states and 1832 transitions. [2020-10-13 08:12:02,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:12:02,293 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2020-10-13 08:12:02,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:12:02,301 INFO L225 Difference]: With dead ends: 1258 [2020-10-13 08:12:02,301 INFO L226 Difference]: Without dead ends: 834 [2020-10-13 08:12:02,305 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 [2020-10-13 08:12:02,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-10-13 08:12:02,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 818. [2020-10-13 08:12:02,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2020-10-13 08:12:02,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1096 transitions. [2020-10-13 08:12:02,354 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1096 transitions. Word has length 89 [2020-10-13 08:12:02,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:12:02,355 INFO L479 AbstractCegarLoop]: Abstraction has 818 states and 1096 transitions. [2020-10-13 08:12:02,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:12:02,356 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1096 transitions. [2020-10-13 08:12:02,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-13 08:12:02,359 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:12:02,359 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] [2020-10-13 08:12:02,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:12:02,360 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:12:02,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:12:02,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1508869126, now seen corresponding path program 1 times [2020-10-13 08:12:02,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:12:02,361 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1979318676] [2020-10-13 08:12:02,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:12:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:02,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:02,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:02,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:03,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:03,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-13 08:12:03,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:12:03,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 935 [2020-10-13 08:12:03,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:03,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:12:03,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 08:12:03,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 08:12:03,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:03,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:12:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:03,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:03,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:03,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:12:03,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:03,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:12:03,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:03,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:03,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:03,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:03,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:03,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:12:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:03,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:03,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:03,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:12:03,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:03,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-13 08:12:03,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:03,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:12:03,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:03,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 08:12:03,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:03,601 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:12:03,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1979318676] [2020-10-13 08:12:03,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:12:03,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:12:03,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667315487] [2020-10-13 08:12:03,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:12:03,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:12:03,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:12:03,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:12:03,603 INFO L87 Difference]: Start difference. First operand 818 states and 1096 transitions. Second operand 5 states. [2020-10-13 08:12:05,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:12:05,311 INFO L93 Difference]: Finished difference Result 1647 states and 2217 transitions. [2020-10-13 08:12:05,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:12:05,313 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-10-13 08:12:05,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:12:05,320 INFO L225 Difference]: With dead ends: 1647 [2020-10-13 08:12:05,321 INFO L226 Difference]: Without dead ends: 826 [2020-10-13 08:12:05,324 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:12:05,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2020-10-13 08:12:05,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 818. [2020-10-13 08:12:05,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2020-10-13 08:12:05,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1092 transitions. [2020-10-13 08:12:05,365 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1092 transitions. Word has length 91 [2020-10-13 08:12:05,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:12:05,366 INFO L479 AbstractCegarLoop]: Abstraction has 818 states and 1092 transitions. [2020-10-13 08:12:05,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:12:05,366 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1092 transitions. [2020-10-13 08:12:05,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-13 08:12:05,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:12:05,378 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] [2020-10-13 08:12:05,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:12:05,378 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:12:05,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:12:05,379 INFO L82 PathProgramCache]: Analyzing trace with hash 2046206130, now seen corresponding path program 1 times [2020-10-13 08:12:05,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:12:05,380 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [751783751] [2020-10-13 08:12:05,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:12:05,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:05,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:05,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:05,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:06,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:06,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 08:12:06,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:12:06,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 985 [2020-10-13 08:12:06,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:06,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:12:06,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-13 08:12:06,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:12:06,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:06,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:12:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:06,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:06,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:06,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:12:06,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:06,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:12:06,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:06,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:06,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:06,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:06,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:06,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:12:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:06,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:06,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:06,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 08:12:06,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:06,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-13 08:12:06,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:06,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:12:06,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:06,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-13 08:12:06,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:12:06,641 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:12:06,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [751783751] [2020-10-13 08:12:06,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:12:06,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:12:06,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340714628] [2020-10-13 08:12:06,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:12:06,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:12:06,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:12:06,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:12:06,648 INFO L87 Difference]: Start difference. First operand 818 states and 1092 transitions. Second operand 5 states. [2020-10-13 08:12:09,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:12:09,086 INFO L93 Difference]: Finished difference Result 2025 states and 2780 transitions. [2020-10-13 08:12:09,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:12:09,087 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 97 [2020-10-13 08:12:09,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:12:09,099 INFO L225 Difference]: With dead ends: 2025 [2020-10-13 08:12:09,099 INFO L226 Difference]: Without dead ends: 1213 [2020-10-13 08:12:09,102 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 [2020-10-13 08:12:09,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2020-10-13 08:12:09,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1200. [2020-10-13 08:12:09,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1200 states. [2020-10-13 08:12:09,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1567 transitions. [2020-10-13 08:12:09,165 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1567 transitions. Word has length 97 [2020-10-13 08:12:09,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:12:09,167 INFO L479 AbstractCegarLoop]: Abstraction has 1200 states and 1567 transitions. [2020-10-13 08:12:09,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:12:09,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1567 transitions. [2020-10-13 08:12:09,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-13 08:12:09,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:12:09,181 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] [2020-10-13 08:12:09,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:12:09,181 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:12:09,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:12:09,182 INFO L82 PathProgramCache]: Analyzing trace with hash -542255494, now seen corresponding path program 1 times [2020-10-13 08:12:09,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:12:09,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1531087572] [2020-10-13 08:12:09,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:12:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:09,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:09,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:10,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:10,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:12:10,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:12:10,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 803 [2020-10-13 08:12:10,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:10,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:12:10,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-13 08:12:10,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:12:10,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:10,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:12:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:10,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:10,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:10,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:12:10,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:10,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:12:10,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:10,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:10,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:10,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:10,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:10,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:12:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:10,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:10,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:10,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 08:12:10,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:10,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-13 08:12:10,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:10,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:12:10,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:10,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-13 08:12:10,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:10,293 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:12:10,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1531087572] [2020-10-13 08:12:10,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:12:10,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:12:10,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481707719] [2020-10-13 08:12:10,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:12:10,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:12:10,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:12:10,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:12:10,297 INFO L87 Difference]: Start difference. First operand 1200 states and 1567 transitions. Second operand 5 states. [2020-10-13 08:12:12,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:12:12,799 INFO L93 Difference]: Finished difference Result 2985 states and 4009 transitions. [2020-10-13 08:12:12,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:12:12,800 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101 [2020-10-13 08:12:12,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:12:12,813 INFO L225 Difference]: With dead ends: 2985 [2020-10-13 08:12:12,813 INFO L226 Difference]: Without dead ends: 1791 [2020-10-13 08:12:12,817 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 [2020-10-13 08:12:12,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1791 states. [2020-10-13 08:12:12,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1791 to 1783. [2020-10-13 08:12:12,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1783 states. [2020-10-13 08:12:12,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 2341 transitions. [2020-10-13 08:12:12,894 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 2341 transitions. Word has length 101 [2020-10-13 08:12:12,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:12:12,895 INFO L479 AbstractCegarLoop]: Abstraction has 1783 states and 2341 transitions. [2020-10-13 08:12:12,895 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:12:12,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2341 transitions. [2020-10-13 08:12:12,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-13 08:12:12,897 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:12:12,897 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] [2020-10-13 08:12:12,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:12:12,897 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:12:12,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:12:12,898 INFO L82 PathProgramCache]: Analyzing trace with hash -2132372130, now seen corresponding path program 1 times [2020-10-13 08:12:12,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:12:12,898 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1640440383] [2020-10-13 08:12:12,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:12:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:12,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:13,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:13,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:13,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 08:12:13,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:12:13,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 730 [2020-10-13 08:12:13,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:13,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:12:13,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-13 08:12:13,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:12:13,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:13,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:12:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:13,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:13,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:13,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:12:13,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:13,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:12:13,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:13,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:13,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:13,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:13,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:13,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:12:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:13,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:13,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:13,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:12:13,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:13,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-13 08:12:13,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:13,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:12:13,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:13,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-13 08:12:13,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:13,887 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:12:13,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1640440383] [2020-10-13 08:12:13,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:12:13,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:12:13,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261491347] [2020-10-13 08:12:13,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:12:13,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:12:13,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:12:13,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:12:13,890 INFO L87 Difference]: Start difference. First operand 1783 states and 2341 transitions. Second operand 5 states. [2020-10-13 08:12:16,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:12:16,402 INFO L93 Difference]: Finished difference Result 4154 states and 5615 transitions. [2020-10-13 08:12:16,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:12:16,407 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2020-10-13 08:12:16,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:12:16,419 INFO L225 Difference]: With dead ends: 4154 [2020-10-13 08:12:16,420 INFO L226 Difference]: Without dead ends: 2377 [2020-10-13 08:12:16,424 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 [2020-10-13 08:12:16,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2377 states. [2020-10-13 08:12:16,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2377 to 2355. [2020-10-13 08:12:16,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2355 states. [2020-10-13 08:12:16,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 2355 states and 3136 transitions. [2020-10-13 08:12:16,495 INFO L78 Accepts]: Start accepts. Automaton has 2355 states and 3136 transitions. Word has length 103 [2020-10-13 08:12:16,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:12:16,495 INFO L479 AbstractCegarLoop]: Abstraction has 2355 states and 3136 transitions. [2020-10-13 08:12:16,495 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:12:16,495 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 3136 transitions. [2020-10-13 08:12:16,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-13 08:12:16,497 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:12:16,497 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] [2020-10-13 08:12:16,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:12:16,498 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:12:16,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:12:16,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1810530542, now seen corresponding path program 1 times [2020-10-13 08:12:16,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:12:16,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [249987372] [2020-10-13 08:12:16,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:12:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:16,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:16,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:17,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:17,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 08:12:17,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:12:17,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 932 [2020-10-13 08:12:17,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:17,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:12:17,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 08:12:17,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:12:17,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:17,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:12:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:17,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:17,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:17,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:12:17,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:17,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:12:17,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:17,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:17,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:17,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:17,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:17,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:12:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:17,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:17,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:17,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:12:17,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:17,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-13 08:12:17,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:17,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:12:17,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:17,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 08:12:17,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:12:17,759 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:12:17,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [249987372] [2020-10-13 08:12:17,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:12:17,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 08:12:17,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868793782] [2020-10-13 08:12:17,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 08:12:17,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:12:17,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 08:12:17,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:12:17,762 INFO L87 Difference]: Start difference. First operand 2355 states and 3136 transitions. Second operand 6 states. [2020-10-13 08:12:20,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:12:20,873 INFO L93 Difference]: Finished difference Result 5309 states and 7256 transitions. [2020-10-13 08:12:20,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:12:20,880 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 111 [2020-10-13 08:12:20,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:12:20,895 INFO L225 Difference]: With dead ends: 5309 [2020-10-13 08:12:20,895 INFO L226 Difference]: Without dead ends: 2960 [2020-10-13 08:12:20,902 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 [2020-10-13 08:12:20,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2960 states. [2020-10-13 08:12:20,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2960 to 2926. [2020-10-13 08:12:20,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2926 states. [2020-10-13 08:12:21,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 3932 transitions. [2020-10-13 08:12:21,001 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 3932 transitions. Word has length 111 [2020-10-13 08:12:21,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:12:21,002 INFO L479 AbstractCegarLoop]: Abstraction has 2926 states and 3932 transitions. [2020-10-13 08:12:21,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 08:12:21,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 3932 transitions. [2020-10-13 08:12:21,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-13 08:12:21,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:12:21,005 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] [2020-10-13 08:12:21,006 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:12:21,006 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:12:21,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:12:21,006 INFO L82 PathProgramCache]: Analyzing trace with hash -727591200, now seen corresponding path program 1 times [2020-10-13 08:12:21,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:12:21,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [987455598] [2020-10-13 08:12:21,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:12:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:21,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:21,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:21,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-13 08:12:21,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:21,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 430 [2020-10-13 08:12:21,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:21,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:12:21,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:12:21,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-13 08:12:21,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:12:21,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:12:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:21,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:21,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:21,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:12:21,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:21,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 08:12:21,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:21,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:12:21,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:21,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:12:21,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:21,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:12:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:21,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:21,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:21,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-13 08:12:21,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:21,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-10-13 08:12:21,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:21,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:12:21,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:12:21,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-13 08:12:21,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:12:22,186 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:12:22,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [987455598] [2020-10-13 08:12:22,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:12:22,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 08:12:22,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002625368] [2020-10-13 08:12:22,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:12:22,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:12:22,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:12:22,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:12:22,189 INFO L87 Difference]: Start difference. First operand 2926 states and 3932 transitions. Second operand 7 states. [2020-10-13 08:12:24,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:12:24,864 INFO L93 Difference]: Finished difference Result 8241 states and 11488 transitions. [2020-10-13 08:12:24,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 08:12:24,865 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 160 [2020-10-13 08:12:24,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:12:24,892 INFO L225 Difference]: With dead ends: 8241 [2020-10-13 08:12:24,892 INFO L226 Difference]: Without dead ends: 5321 [2020-10-13 08:12:24,902 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 [2020-10-13 08:12:24,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5321 states. [2020-10-13 08:12:25,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5321 to 5301. [2020-10-13 08:12:25,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5301 states. [2020-10-13 08:12:25,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5301 states to 5301 states and 6983 transitions. [2020-10-13 08:12:25,044 INFO L78 Accepts]: Start accepts. Automaton has 5301 states and 6983 transitions. Word has length 160 [2020-10-13 08:12:25,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:12:25,045 INFO L479 AbstractCegarLoop]: Abstraction has 5301 states and 6983 transitions. [2020-10-13 08:12:25,045 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:12:25,045 INFO L276 IsEmpty]: Start isEmpty. Operand 5301 states and 6983 transitions. [2020-10-13 08:12:25,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-13 08:12:25,049 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:12:25,049 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] [2020-10-13 08:12:25,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:12:25,049 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:12:25,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:12:25,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1639919989, now seen corresponding path program 1 times [2020-10-13 08:12:25,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:12:25,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [705620654] [2020-10-13 08:12:25,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:12:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:25,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:25,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:25,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:27,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:27,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:30,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:30,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-13 08:12:30,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:12:30,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-13 08:12:30,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:30,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:12:30,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-10-13 08:12:30,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:12:30,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:30,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:12:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:30,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:30,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:30,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:12:30,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:30,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:12:30,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:30,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:30,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:30,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:30,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:30,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:12:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:30,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:30,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:30,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:12:30,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:30,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 08:12:30,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:30,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:30,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:30,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:30,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:30,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 08:12:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:30,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:30,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:30,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-13 08:12:30,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:30,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-13 08:12:30,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:30,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:12:30,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:30,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 08:12:30,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:30,384 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-13 08:12:30,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [705620654] [2020-10-13 08:12:30,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:12:30,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:12:30,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809293012] [2020-10-13 08:12:30,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:12:30,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:12:30,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:12:30,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:12:30,392 INFO L87 Difference]: Start difference. First operand 5301 states and 6983 transitions. Second operand 5 states. [2020-10-13 08:12:32,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:12:32,889 INFO L93 Difference]: Finished difference Result 13672 states and 18564 transitions. [2020-10-13 08:12:32,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:12:32,890 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 180 [2020-10-13 08:12:32,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:12:32,933 INFO L225 Difference]: With dead ends: 13672 [2020-10-13 08:12:32,933 INFO L226 Difference]: Without dead ends: 8565 [2020-10-13 08:12:32,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:12:32,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8565 states. [2020-10-13 08:12:33,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8565 to 8559. [2020-10-13 08:12:33,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8559 states. [2020-10-13 08:12:33,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8559 states to 8559 states and 11413 transitions. [2020-10-13 08:12:33,181 INFO L78 Accepts]: Start accepts. Automaton has 8559 states and 11413 transitions. Word has length 180 [2020-10-13 08:12:33,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:12:33,181 INFO L479 AbstractCegarLoop]: Abstraction has 8559 states and 11413 transitions. [2020-10-13 08:12:33,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:12:33,182 INFO L276 IsEmpty]: Start isEmpty. Operand 8559 states and 11413 transitions. [2020-10-13 08:12:33,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-13 08:12:33,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:12:33,186 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] [2020-10-13 08:12:33,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:12:33,187 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:12:33,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:12:33,187 INFO L82 PathProgramCache]: Analyzing trace with hash -367821813, now seen corresponding path program 1 times [2020-10-13 08:12:33,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:12:33,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1863082008] [2020-10-13 08:12:33,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:12:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:33,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:33,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:33,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:35,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:35,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:35,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:38,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:38,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-13 08:12:38,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 08:12:38,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-13 08:12:38,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:38,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:12:38,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-10-13 08:12:38,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 08:12:38,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:12:38,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:12:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:38,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:38,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:38,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:12:38,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:38,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:12:38,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:38,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:38,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:38,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:38,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:12:38,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:12:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:38,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:38,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:38,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:12:38,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:38,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 08:12:38,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:38,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:38,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:38,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:38,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:12:38,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 08:12:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:38,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:38,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:38,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-13 08:12:38,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:38,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-13 08:12:38,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:38,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:12:38,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:38,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-13 08:12:38,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:38,723 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-13 08:12:38,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1863082008] [2020-10-13 08:12:38,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:12:38,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:12:38,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510893987] [2020-10-13 08:12:38,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:12:38,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:12:38,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:12:38,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:12:38,726 INFO L87 Difference]: Start difference. First operand 8559 states and 11413 transitions. Second operand 5 states. [2020-10-13 08:12:41,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:12:41,207 INFO L93 Difference]: Finished difference Result 18848 states and 25638 transitions. [2020-10-13 08:12:41,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:12:41,209 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 192 [2020-10-13 08:12:41,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:12:41,252 INFO L225 Difference]: With dead ends: 18848 [2020-10-13 08:12:41,253 INFO L226 Difference]: Without dead ends: 10483 [2020-10-13 08:12:41,274 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:12:41,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10483 states. [2020-10-13 08:12:41,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10483 to 10289. [2020-10-13 08:12:41,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10289 states. [2020-10-13 08:12:41,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10289 states to 10289 states and 13535 transitions. [2020-10-13 08:12:41,526 INFO L78 Accepts]: Start accepts. Automaton has 10289 states and 13535 transitions. Word has length 192 [2020-10-13 08:12:41,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:12:41,527 INFO L479 AbstractCegarLoop]: Abstraction has 10289 states and 13535 transitions. [2020-10-13 08:12:41,527 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:12:41,527 INFO L276 IsEmpty]: Start isEmpty. Operand 10289 states and 13535 transitions. [2020-10-13 08:12:41,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-13 08:12:41,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:12:41,533 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] [2020-10-13 08:12:41,533 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:12:41,534 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:12:41,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:12:41,534 INFO L82 PathProgramCache]: Analyzing trace with hash 185402300, now seen corresponding path program 1 times [2020-10-13 08:12:41,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:12:41,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1472661045] [2020-10-13 08:12:41,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:12:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:41,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:41,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:41,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:45,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:45,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-13 08:12:45,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:12:45,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4416 [2020-10-13 08:12:45,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:45,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:12:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 08:12:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 08:12:45,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:12:46,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:12:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:46,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:46,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:46,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:12:46,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:46,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:12:46,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:46,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:46,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:46,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:46,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:12:46,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:12:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:46,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:46,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:46,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:12:46,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:46,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-13 08:12:46,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:46,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:12:46,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:46,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:12:46,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:46,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 08:12:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:46,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:46,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:46,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:46,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 08:12:46,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:12:46,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 491 [2020-10-13 08:12:46,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:46,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:12:46,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:12:46,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-13 08:12:46,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:48,073 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 08:12:48,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1472661045] [2020-10-13 08:12:48,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:12:48,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 08:12:48,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877507128] [2020-10-13 08:12:48,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 08:12:48,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:12:48,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 08:12:48,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 08:12:48,078 INFO L87 Difference]: Start difference. First operand 10289 states and 13535 transitions. Second operand 10 states. [2020-10-13 08:12:48,265 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2020-10-13 08:12:48,448 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2020-10-13 08:12:48,771 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2020-10-13 08:12:48,923 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2020-10-13 08:12:49,377 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2020-10-13 08:12:49,653 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2020-10-13 08:12:50,237 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 54 [2020-10-13 08:12:52,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:12:52,721 INFO L93 Difference]: Finished difference Result 21026 states and 27903 transitions. [2020-10-13 08:12:52,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 08:12:52,722 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 196 [2020-10-13 08:12:52,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:12:52,766 INFO L225 Difference]: With dead ends: 21026 [2020-10-13 08:12:52,766 INFO L226 Difference]: Without dead ends: 10755 [2020-10-13 08:12:52,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2020-10-13 08:12:52,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10755 states. [2020-10-13 08:12:53,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10755 to 10335. [2020-10-13 08:12:53,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10335 states. [2020-10-13 08:12:53,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10335 states to 10335 states and 13570 transitions. [2020-10-13 08:12:53,241 INFO L78 Accepts]: Start accepts. Automaton has 10335 states and 13570 transitions. Word has length 196 [2020-10-13 08:12:53,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:12:53,242 INFO L479 AbstractCegarLoop]: Abstraction has 10335 states and 13570 transitions. [2020-10-13 08:12:53,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 08:12:53,242 INFO L276 IsEmpty]: Start isEmpty. Operand 10335 states and 13570 transitions. [2020-10-13 08:12:53,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-13 08:12:53,247 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:12:53,248 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:12:53,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:12:53,248 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:12:53,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:12:53,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1600496473, now seen corresponding path program 1 times [2020-10-13 08:12:53,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:12:53,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [369503242] [2020-10-13 08:12:53,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:12:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:53,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:53,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:54,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:56,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:56,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-13 08:12:56,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:12:56,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3284 [2020-10-13 08:12:56,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:56,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 08:12:56,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 218 [2020-10-13 08:12:56,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 08:12:56,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:56,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:12:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:56,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:56,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:56,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:12:56,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:56,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 08:12:56,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:56,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:56,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:56,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:56,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:12:56,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:12:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:56,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:56,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:56,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:12:56,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:56,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 08:12:56,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:56,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:56,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:56,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:56,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:12:56,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 08:12:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:56,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:56,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:56,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-13 08:12:56,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:56,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-13 08:12:56,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:56,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 08:12:56,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:56,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-13 08:12:56,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:12:57,051 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-13 08:12:57,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [369503242] [2020-10-13 08:12:57,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:12:57,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 08:12:57,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843860379] [2020-10-13 08:12:57,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 08:12:57,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:12:57,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 08:12:57,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:12:57,054 INFO L87 Difference]: Start difference. First operand 10335 states and 13570 transitions. Second operand 6 states. [2020-10-13 08:13:01,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:13:01,560 INFO L93 Difference]: Finished difference Result 25255 states and 34025 transitions. [2020-10-13 08:13:01,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:13:01,561 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 225 [2020-10-13 08:13:01,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:13:01,623 INFO L225 Difference]: With dead ends: 25255 [2020-10-13 08:13:01,623 INFO L226 Difference]: Without dead ends: 15114 [2020-10-13 08:13:01,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:13:01,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15114 states. [2020-10-13 08:13:02,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15114 to 15110. [2020-10-13 08:13:02,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15110 states. [2020-10-13 08:13:02,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15110 states to 15110 states and 19911 transitions. [2020-10-13 08:13:02,038 INFO L78 Accepts]: Start accepts. Automaton has 15110 states and 19911 transitions. Word has length 225 [2020-10-13 08:13:02,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:13:02,039 INFO L479 AbstractCegarLoop]: Abstraction has 15110 states and 19911 transitions. [2020-10-13 08:13:02,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 08:13:02,039 INFO L276 IsEmpty]: Start isEmpty. Operand 15110 states and 19911 transitions. [2020-10-13 08:13:02,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-10-13 08:13:02,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:13:02,051 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:13:02,052 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:13:02,052 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:13:02,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:13:02,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1582432712, now seen corresponding path program 1 times [2020-10-13 08:13:02,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:13:02,053 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2084155257] [2020-10-13 08:13:02,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:13:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:02,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:02,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:03,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:03,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-13 08:13:03,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:13:03,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1837 [2020-10-13 08:13:03,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:03,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:13:03,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:13:03,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-13 08:13:03,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:03,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:13:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:04,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:04,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:04,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:13:04,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:04,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 08:13:04,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:04,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:13:04,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:04,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:13:04,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:04,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:13:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:04,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:04,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:04,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:13:04,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:04,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-13 08:13:04,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:04,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:13:04,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:13:04,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:13:04,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:04,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 08:13:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:04,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:04,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:04,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-13 08:13:04,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:04,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-13 08:13:04,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:04,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:04,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-13 08:13:04,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:04,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:04,731 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 20 proven. 89 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-13 08:13:04,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2084155257] [2020-10-13 08:13:04,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:13:04,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:13:04,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39373809] [2020-10-13 08:13:04,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:13:04,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:13:04,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:13:04,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:13:04,739 INFO L87 Difference]: Start difference. First operand 15110 states and 19911 transitions. Second operand 7 states. [2020-10-13 08:13:07,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:13:07,875 INFO L93 Difference]: Finished difference Result 30797 states and 40576 transitions. [2020-10-13 08:13:07,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 08:13:07,875 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 248 [2020-10-13 08:13:07,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:13:07,922 INFO L225 Difference]: With dead ends: 30797 [2020-10-13 08:13:07,922 INFO L226 Difference]: Without dead ends: 15309 [2020-10-13 08:13:07,945 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-13 08:13:07,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15309 states. [2020-10-13 08:13:08,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15309 to 15303. [2020-10-13 08:13:08,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15303 states. [2020-10-13 08:13:08,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15303 states to 15303 states and 19922 transitions. [2020-10-13 08:13:08,273 INFO L78 Accepts]: Start accepts. Automaton has 15303 states and 19922 transitions. Word has length 248 [2020-10-13 08:13:08,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:13:08,273 INFO L479 AbstractCegarLoop]: Abstraction has 15303 states and 19922 transitions. [2020-10-13 08:13:08,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:13:08,273 INFO L276 IsEmpty]: Start isEmpty. Operand 15303 states and 19922 transitions. [2020-10-13 08:13:08,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-10-13 08:13:08,281 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:13:08,282 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] [2020-10-13 08:13:08,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:13:08,282 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:13:08,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:13:08,283 INFO L82 PathProgramCache]: Analyzing trace with hash 490213722, now seen corresponding path program 1 times [2020-10-13 08:13:08,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:13:08,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199143557] [2020-10-13 08:13:08,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:13:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:08,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:08,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:08,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-10-13 08:13:08,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:08,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 329 [2020-10-13 08:13:08,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:08,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:13:08,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-13 08:13:08,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-13 08:13:08,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:08,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:13:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:08,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:08,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:08,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:13:08,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:08,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:13:08,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:08,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:08,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:08,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:08,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:08,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:13:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:08,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:08,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:08,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-13 08:13:08,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:08,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-13 08:13:08,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:08,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:13:08,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:08,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-13 08:13:08,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:08,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 08:13:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:08,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:09,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:09,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-13 08:13:09,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:09,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-13 08:13:09,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:09,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:13:09,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:13:09,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-13 08:13:09,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:09,387 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 08:13:09,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199143557] [2020-10-13 08:13:09,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:13:09,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:13:09,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303538725] [2020-10-13 08:13:09,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:13:09,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:13:09,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:13:09,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:13:09,389 INFO L87 Difference]: Start difference. First operand 15303 states and 19922 transitions. Second operand 7 states. [2020-10-13 08:13:12,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:13:12,364 INFO L93 Difference]: Finished difference Result 31815 states and 44950 transitions. [2020-10-13 08:13:12,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:13:12,365 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 276 [2020-10-13 08:13:12,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:13:12,438 INFO L225 Difference]: With dead ends: 31815 [2020-10-13 08:13:12,438 INFO L226 Difference]: Without dead ends: 16706 [2020-10-13 08:13:12,467 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-13 08:13:12,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16706 states. [2020-10-13 08:13:12,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16706 to 16099. [2020-10-13 08:13:12,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16099 states. [2020-10-13 08:13:13,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16099 states to 16099 states and 20956 transitions. [2020-10-13 08:13:13,019 INFO L78 Accepts]: Start accepts. Automaton has 16099 states and 20956 transitions. Word has length 276 [2020-10-13 08:13:13,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:13:13,020 INFO L479 AbstractCegarLoop]: Abstraction has 16099 states and 20956 transitions. [2020-10-13 08:13:13,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:13:13,020 INFO L276 IsEmpty]: Start isEmpty. Operand 16099 states and 20956 transitions. [2020-10-13 08:13:13,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-10-13 08:13:13,033 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:13:13,033 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] [2020-10-13 08:13:13,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 08:13:13,034 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:13:13,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:13:13,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1800849510, now seen corresponding path program 1 times [2020-10-13 08:13:13,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:13:13,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1852613313] [2020-10-13 08:13:13,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:13:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:13,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:13,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:13,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-10-13 08:13:13,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:13,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 390 [2020-10-13 08:13:13,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:13,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:13:13,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-13 08:13:13,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-13 08:13:13,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:13,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:13:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:13,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:13,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:13,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:13:13,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:13,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:13:13,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:13,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:13,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:13,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:13,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:13,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:13:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:13,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:13,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:13,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-13 08:13:13,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:13,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-13 08:13:13,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:13,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:13:13,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:13,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-13 08:13:13,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:13,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 08:13:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:13,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:14,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:14,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-13 08:13:14,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:14,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-13 08:13:14,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:14,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:13:14,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:13:14,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-13 08:13:14,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:14,506 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 143 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 08:13:14,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1852613313] [2020-10-13 08:13:14,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:13:14,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:13:14,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936555277] [2020-10-13 08:13:14,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:13:14,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:13:14,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:13:14,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:13:14,509 INFO L87 Difference]: Start difference. First operand 16099 states and 20956 transitions. Second operand 8 states. [2020-10-13 08:13:18,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:13:18,870 INFO L93 Difference]: Finished difference Result 33932 states and 44621 transitions. [2020-10-13 08:13:18,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 08:13:18,871 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 286 [2020-10-13 08:13:18,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:13:18,923 INFO L225 Difference]: With dead ends: 33932 [2020-10-13 08:13:18,923 INFO L226 Difference]: Without dead ends: 17839 [2020-10-13 08:13:18,950 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-13 08:13:18,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17839 states. [2020-10-13 08:13:19,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17839 to 17823. [2020-10-13 08:13:19,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17823 states. [2020-10-13 08:13:19,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17823 states to 17823 states and 22883 transitions. [2020-10-13 08:13:19,595 INFO L78 Accepts]: Start accepts. Automaton has 17823 states and 22883 transitions. Word has length 286 [2020-10-13 08:13:19,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:13:19,596 INFO L479 AbstractCegarLoop]: Abstraction has 17823 states and 22883 transitions. [2020-10-13 08:13:19,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:13:19,597 INFO L276 IsEmpty]: Start isEmpty. Operand 17823 states and 22883 transitions. [2020-10-13 08:13:19,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-10-13 08:13:19,610 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:13:19,611 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] [2020-10-13 08:13:19,611 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 08:13:19,611 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:13:19,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:13:19,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1888368703, now seen corresponding path program 1 times [2020-10-13 08:13:19,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:13:19,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1918169391] [2020-10-13 08:13:19,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:13:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:19,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:20,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:20,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:20,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:20,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 311 [2020-10-13 08:13:20,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:13:20,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 928 [2020-10-13 08:13:20,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:20,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:13:20,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 294 [2020-10-13 08:13:20,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:13:20,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:20,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:13:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:20,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:20,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:20,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:13:20,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:20,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:13:20,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:20,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:20,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:20,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:20,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:20,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:13:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:20,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:20,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:20,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:13:20,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:20,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 08:13:20,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:20,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:20,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:20,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:20,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:20,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:13:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:20,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:20,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:20,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-13 08:13:20,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:20,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-13 08:13:20,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:20,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:13:20,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:20,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-13 08:13:20,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:20,989 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-13 08:13:20,989 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1918169391] [2020-10-13 08:13:20,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:13:20,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:13:20,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887286688] [2020-10-13 08:13:20,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:13:20,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:13:20,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:13:20,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:13:20,991 INFO L87 Difference]: Start difference. First operand 17823 states and 22883 transitions. Second operand 5 states. [2020-10-13 08:13:23,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:13:23,539 INFO L93 Difference]: Finished difference Result 37341 states and 48239 transitions. [2020-10-13 08:13:23,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:13:23,540 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 299 [2020-10-13 08:13:23,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:13:23,598 INFO L225 Difference]: With dead ends: 37341 [2020-10-13 08:13:23,599 INFO L226 Difference]: Without dead ends: 19524 [2020-10-13 08:13:23,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:13:23,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19524 states. [2020-10-13 08:13:23,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19524 to 19518. [2020-10-13 08:13:23,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19518 states. [2020-10-13 08:13:23,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19518 states to 19518 states and 24762 transitions. [2020-10-13 08:13:23,935 INFO L78 Accepts]: Start accepts. Automaton has 19518 states and 24762 transitions. Word has length 299 [2020-10-13 08:13:23,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:13:23,936 INFO L479 AbstractCegarLoop]: Abstraction has 19518 states and 24762 transitions. [2020-10-13 08:13:23,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:13:23,936 INFO L276 IsEmpty]: Start isEmpty. Operand 19518 states and 24762 transitions. [2020-10-13 08:13:23,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-10-13 08:13:23,948 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:13:23,949 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:13:23,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 08:13:23,949 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:13:23,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:13:23,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1232340909, now seen corresponding path program 1 times [2020-10-13 08:13:23,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:13:23,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1347401622] [2020-10-13 08:13:23,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:13:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:24,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:24,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:24,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:26,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:26,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 357 [2020-10-13 08:13:26,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:13:26,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2520 [2020-10-13 08:13:26,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:26,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:13:26,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-13 08:13:26,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-13 08:13:26,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:26,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:13:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:26,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:26,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:26,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:13:26,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:26,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:13:26,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:26,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:26,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:26,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:26,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:26,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:13:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:26,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:26,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:26,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-13 08:13:26,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:26,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-13 08:13:26,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:26,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:13:26,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:26,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-13 08:13:26,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:26,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 08:13:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:26,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:26,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:26,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:13:26,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:26,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-13 08:13:26,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:26,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:13:26,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:13:26,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:13:26,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:26,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-13 08:13:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:26,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:26,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:26,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 08:13:26,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:26,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 08:13:26,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:26,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:26,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 08:13:26,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:26,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:27,051 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 125 proven. 93 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-10-13 08:13:27,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1347401622] [2020-10-13 08:13:27,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:13:27,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:13:27,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342810021] [2020-10-13 08:13:27,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:13:27,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:13:27,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:13:27,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:13:27,054 INFO L87 Difference]: Start difference. First operand 19518 states and 24762 transitions. Second operand 7 states. [2020-10-13 08:13:30,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:13:30,313 INFO L93 Difference]: Finished difference Result 40753 states and 51719 transitions. [2020-10-13 08:13:30,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 08:13:30,315 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 343 [2020-10-13 08:13:30,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:13:30,368 INFO L225 Difference]: With dead ends: 40753 [2020-10-13 08:13:30,369 INFO L226 Difference]: Without dead ends: 21241 [2020-10-13 08:13:30,391 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-13 08:13:30,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21241 states. [2020-10-13 08:13:30,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21241 to 20456. [2020-10-13 08:13:30,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20456 states. [2020-10-13 08:13:30,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20456 states to 20456 states and 25754 transitions. [2020-10-13 08:13:30,756 INFO L78 Accepts]: Start accepts. Automaton has 20456 states and 25754 transitions. Word has length 343 [2020-10-13 08:13:30,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:13:30,756 INFO L479 AbstractCegarLoop]: Abstraction has 20456 states and 25754 transitions. [2020-10-13 08:13:30,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:13:30,757 INFO L276 IsEmpty]: Start isEmpty. Operand 20456 states and 25754 transitions. [2020-10-13 08:13:30,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-10-13 08:13:30,771 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:13:30,772 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] [2020-10-13 08:13:30,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 08:13:30,772 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:13:30,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:13:30,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1995471996, now seen corresponding path program 1 times [2020-10-13 08:13:30,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:13:30,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1946954144] [2020-10-13 08:13:30,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:13:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-13 08:13:30,848 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-13 08:13:30,848 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 08:13:30,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 08:13:30,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:13:30 BoogieIcfgContainer [2020-10-13 08:13:30,944 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:13:30,946 INFO L168 Benchmark]: Toolchain (without parser) took 99071.04 ms. Allocated memory was 139.5 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 99.7 MB in the beginning and 1.1 GB in the end (delta: -966.6 MB). Peak memory consumption was 401.8 MB. Max. memory is 7.1 GB. [2020-10-13 08:13:30,947 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 08:13:30,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1307.58 ms. Allocated memory was 139.5 MB in the beginning and 211.8 MB in the end (delta: 72.4 MB). Free memory was 99.5 MB in the beginning and 166.1 MB in the end (delta: -66.6 MB). Peak memory consumption was 48.3 MB. Max. memory is 7.1 GB. [2020-10-13 08:13:30,948 INFO L168 Benchmark]: Boogie Preprocessor took 167.04 ms. Allocated memory is still 211.8 MB. Free memory was 166.1 MB in the beginning and 157.9 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. [2020-10-13 08:13:30,950 INFO L168 Benchmark]: RCFGBuilder took 1912.32 ms. Allocated memory was 211.8 MB in the beginning and 242.7 MB in the end (delta: 30.9 MB). Free memory was 157.9 MB in the beginning and 104.1 MB in the end (delta: 53.8 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2020-10-13 08:13:30,951 INFO L168 Benchmark]: TraceAbstraction took 95678.10 ms. Allocated memory was 242.7 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 102.6 MB in the beginning and 1.1 GB in the end (delta: -963.7 MB). Peak memory consumption was 301.4 MB. Max. memory is 7.1 GB. [2020-10-13 08:13:30,962 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1307.58 ms. Allocated memory was 139.5 MB in the beginning and 211.8 MB in the end (delta: 72.4 MB). Free memory was 99.5 MB in the beginning and 166.1 MB in the end (delta: -66.6 MB). Peak memory consumption was 48.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 167.04 ms. Allocated memory is still 211.8 MB. Free memory was 166.1 MB in the beginning and 157.9 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1912.32 ms. Allocated memory was 211.8 MB in the beginning and 242.7 MB in the end (delta: 30.9 MB). Free memory was 157.9 MB in the beginning and 104.1 MB in the end (delta: 53.8 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 95678.10 ms. Allocated memory was 242.7 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 102.6 MB in the beginning and 1.1 GB in the end (delta: -963.7 MB). Peak memory consumption was 301.4 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: 95.5s, OverallIterations: 18, TraceHistogramMax: 4, AutomataDifference: 51.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 826 SDtfs, 10810 SDslu, 1222 SDs, 0 SdLazy, 22934 SolverSat, 2873 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 256 GetRequests, 136 SyntacticMatches, 1 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20456occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 2169 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 37.5s InterpolantComputationTime, 3359 NumberOfCodeBlocks, 3359 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2997 ConstructedInterpolants, 0 QuantifiedInterpolants, 3256755 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 2 PerfectInterpolantSequences, 1130/1332 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...