/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/Problem10_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:02:22,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:02:22,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:02:22,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:02:22,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:02:22,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:02:22,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:02:22,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:02:22,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:02:22,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:02:22,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:02:22,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:02:22,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:02:22,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:02:22,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:02:22,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:02:22,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:02:22,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:02:22,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:02:22,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:02:22,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:02:22,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:02:22,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:02:22,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:02:22,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:02:22,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:02:22,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:02:22,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:02:22,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:02:22,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:02:22,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:02:22,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:02:22,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:02:22,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:02:22,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:02:22,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:02:22,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:02:22,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:02:22,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:02:22,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:02:22,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:02:22,553 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 08:02:22,607 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:02:22,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:02:22,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:02:22,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:02:22,611 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:02:22,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:02:22,612 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:02:22,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:02:22,612 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:02:22,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:02:22,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:02:22,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:02:22,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:02:22,613 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:02:22,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:02:22,614 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:02:22,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:02:22,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:02:22,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:02:22,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:02:22,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:02:22,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:02:22,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:02:22,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:02:22,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:02:22,618 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:02:22,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:02:22,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:02:22,618 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:02:22,618 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 08:02:22,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:02:22,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:02:22,996 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:02:22,998 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:02:22,999 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:02:22,999 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label05.c [2020-10-13 08:02:23,064 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b25d0875/2fa403a278c14ce798c31ed767b9cb4e/FLAG7eb25e00e [2020-10-13 08:02:23,552 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:02:23,553 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label05.c [2020-10-13 08:02:23,575 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b25d0875/2fa403a278c14ce798c31ed767b9cb4e/FLAG7eb25e00e [2020-10-13 08:02:23,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b25d0875/2fa403a278c14ce798c31ed767b9cb4e [2020-10-13 08:02:23,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:02:23,854 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:02:23,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:02:23,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:02:23,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:02:23,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:02:23" (1/1) ... [2020-10-13 08:02:23,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f14d527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:23, skipping insertion in model container [2020-10-13 08:02:23,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:02:23" (1/1) ... [2020-10-13 08:02:23,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:02:23,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:02:24,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:02:24,381 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:02:24,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:02:24,684 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:02:24,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:24 WrapperNode [2020-10-13 08:02:24,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:02:24,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:02:24,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:02:24,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:02:24,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:24" (1/1) ... [2020-10-13 08:02:24,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:24" (1/1) ... [2020-10-13 08:02:24,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:24" (1/1) ... [2020-10-13 08:02:24,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:24" (1/1) ... [2020-10-13 08:02:24,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:24" (1/1) ... [2020-10-13 08:02:24,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:24" (1/1) ... [2020-10-13 08:02:24,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:24" (1/1) ... [2020-10-13 08:02:24,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:02:24,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:02:24,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:02:24,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:02:24,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:24" (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 08:02:24,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:02:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:02:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:02:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:02:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:02:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:02:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:02:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:02:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:02:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:02:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:02:26,430 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:02:26,430 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:02:26,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:02:26 BoogieIcfgContainer [2020-10-13 08:02:26,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:02:26,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:02:26,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:02:26,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:02:26,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:02:23" (1/3) ... [2020-10-13 08:02:26,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2b54b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:02:26, skipping insertion in model container [2020-10-13 08:02:26,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:24" (2/3) ... [2020-10-13 08:02:26,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2b54b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:02:26, skipping insertion in model container [2020-10-13 08:02:26,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:02:26" (3/3) ... [2020-10-13 08:02:26,455 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label05.c [2020-10-13 08:02:26,466 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:02:26,477 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:02:26,493 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:02:26,526 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:02:26,527 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:02:26,528 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:02:26,528 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:02:26,528 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:02:26,528 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:02:26,528 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:02:26,528 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:02:26,554 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-13 08:02:26,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-13 08:02:26,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:26,565 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:02:26,565 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:26,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:26,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1575146953, now seen corresponding path program 1 times [2020-10-13 08:02:26,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:26,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1587193552] [2020-10-13 08:02:26,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:26,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:27,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:27,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-13 08:02:27,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:27,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 473 [2020-10-13 08:02:27,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:27,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:02:27,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:02:27,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-13 08:02:27,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 08:02:27,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:27,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:27,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:27,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:27,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:27,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 08:02:27,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:27,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:27,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:27,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:02:27,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:27,451 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 08:02:27,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1587193552] [2020-10-13 08:02:27,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:02:27,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:02:27,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816788954] [2020-10-13 08:02:27,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:02:27,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:27,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:02:27,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:02:27,485 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-13 08:02:29,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:29,176 INFO L93 Difference]: Finished difference Result 596 states and 1021 transitions. [2020-10-13 08:02:29,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:29,179 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-10-13 08:02:29,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:29,200 INFO L225 Difference]: With dead ends: 596 [2020-10-13 08:02:29,201 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:02:29,211 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 08:02:29,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:02:29,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-10-13 08:02:29,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-13 08:02:29,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 430 transitions. [2020-10-13 08:02:29,325 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 430 transitions. Word has length 58 [2020-10-13 08:02:29,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:29,326 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 430 transitions. [2020-10-13 08:02:29,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:02:29,326 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 430 transitions. [2020-10-13 08:02:29,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-13 08:02:29,332 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:29,333 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:02:29,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:02:29,333 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:29,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:29,334 INFO L82 PathProgramCache]: Analyzing trace with hash -2054791822, now seen corresponding path program 1 times [2020-10-13 08:02:29,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:29,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1699456094] [2020-10-13 08:02:29,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:29,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:29,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:30,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:30,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:30,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-13 08:02:30,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:02:30,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1199 [2020-10-13 08:02:30,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:30,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:30,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 08:02:30,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-13 08:02:30,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:30,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:30,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:30,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:30,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:30,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:30,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 08:02:30,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:30,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:30,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:30,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:30,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 08:02:30,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:30,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:30,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:30,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:02:30,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:30,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-13 08:02:30,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:30,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:30,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:30,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 08:02:30,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:30,883 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 50 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:30,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1699456094] [2020-10-13 08:02:30,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:30,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:30,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927020954] [2020-10-13 08:02:30,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:30,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:30,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:30,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:30,897 INFO L87 Difference]: Start difference. First operand 298 states and 430 transitions. Second operand 5 states. [2020-10-13 08:02:32,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:32,117 INFO L93 Difference]: Finished difference Result 884 states and 1303 transitions. [2020-10-13 08:02:32,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:32,118 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-10-13 08:02:32,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:32,128 INFO L225 Difference]: With dead ends: 884 [2020-10-13 08:02:32,128 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:02:32,132 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 08:02:32,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:02:32,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 588. [2020-10-13 08:02:32,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-10-13 08:02:32,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 770 transitions. [2020-10-13 08:02:32,185 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 770 transitions. Word has length 132 [2020-10-13 08:02:32,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:32,185 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 770 transitions. [2020-10-13 08:02:32,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:32,186 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 770 transitions. [2020-10-13 08:02:32,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-13 08:02:32,190 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:32,190 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 08:02:32,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:02:32,190 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:32,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:32,191 INFO L82 PathProgramCache]: Analyzing trace with hash -2085474635, now seen corresponding path program 1 times [2020-10-13 08:02:32,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:32,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1787925776] [2020-10-13 08:02:32,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:32,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:32,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:32,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:32,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-13 08:02:32,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:02:32,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 503 [2020-10-13 08:02:32,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:32,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:32,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-13 08:02:32,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 08:02:32,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:32,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:32,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:32,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:32,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:32,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:32,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:02:32,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:32,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:32,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:32,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:32,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:32,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:32,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:32,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:32,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 08:02:32,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:32,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-13 08:02:32,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:32,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:32,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:32,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:02:32,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:33,016 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 50 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:33,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1787925776] [2020-10-13 08:02:33,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:33,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:33,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594406193] [2020-10-13 08:02:33,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:33,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:33,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:33,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:33,020 INFO L87 Difference]: Start difference. First operand 588 states and 770 transitions. Second operand 5 states. [2020-10-13 08:02:33,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:33,953 INFO L93 Difference]: Finished difference Result 1197 states and 1575 transitions. [2020-10-13 08:02:33,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:33,953 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2020-10-13 08:02:33,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:33,959 INFO L225 Difference]: With dead ends: 1197 [2020-10-13 08:02:33,959 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:02:33,961 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 08:02:33,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:02:34,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 588. [2020-10-13 08:02:34,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-10-13 08:02:34,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 766 transitions. [2020-10-13 08:02:34,008 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 766 transitions. Word has length 137 [2020-10-13 08:02:34,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:34,009 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 766 transitions. [2020-10-13 08:02:34,009 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:34,009 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 766 transitions. [2020-10-13 08:02:34,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-13 08:02:34,012 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:34,013 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 08:02:34,013 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:02:34,013 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:34,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:34,014 INFO L82 PathProgramCache]: Analyzing trace with hash 641153941, now seen corresponding path program 1 times [2020-10-13 08:02:34,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:34,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1570017897] [2020-10-13 08:02:34,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:34,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:34,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:34,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:34,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-13 08:02:34,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:02:34,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 716 [2020-10-13 08:02:34,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:34,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:34,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-13 08:02:34,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-13 08:02:34,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:34,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:34,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:34,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:34,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:34,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:34,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:02:34,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:34,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:34,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:34,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:34,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:34,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:34,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:35,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:35,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 08:02:35,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:35,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-13 08:02:35,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:35,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:35,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:35,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 08:02:35,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:35,068 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 50 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:35,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1570017897] [2020-10-13 08:02:35,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:35,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:35,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492963273] [2020-10-13 08:02:35,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:35,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:35,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:35,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:35,070 INFO L87 Difference]: Start difference. First operand 588 states and 766 transitions. Second operand 5 states. [2020-10-13 08:02:36,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:36,214 INFO L93 Difference]: Finished difference Result 1748 states and 2320 transitions. [2020-10-13 08:02:36,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:36,214 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-10-13 08:02:36,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:36,223 INFO L225 Difference]: With dead ends: 1748 [2020-10-13 08:02:36,223 INFO L226 Difference]: Without dead ends: 1166 [2020-10-13 08:02:36,226 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 08:02:36,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2020-10-13 08:02:36,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 1023. [2020-10-13 08:02:36,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1023 states. [2020-10-13 08:02:36,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1325 transitions. [2020-10-13 08:02:36,285 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1325 transitions. Word has length 153 [2020-10-13 08:02:36,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:36,286 INFO L479 AbstractCegarLoop]: Abstraction has 1023 states and 1325 transitions. [2020-10-13 08:02:36,287 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:36,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1325 transitions. [2020-10-13 08:02:36,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-13 08:02:36,297 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:36,298 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-13 08:02:36,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:02:36,298 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:36,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:36,299 INFO L82 PathProgramCache]: Analyzing trace with hash 534892677, now seen corresponding path program 1 times [2020-10-13 08:02:36,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:36,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [801057958] [2020-10-13 08:02:36,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:36,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:36,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:37,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:37,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:37,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-13 08:02:37,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:02:37,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1291 [2020-10-13 08:02:37,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:37,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:37,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-13 08:02:37,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 08:02:37,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:37,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:37,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:37,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:37,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:37,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:37,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 08:02:37,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:37,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:37,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:37,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:37,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:37,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:37,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:37,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:37,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:02:37,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:37,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 08:02:37,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:37,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:37,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:37,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:37,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:37,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 08:02:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:37,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:38,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:38,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 08:02:38,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:38,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-13 08:02:38,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:38,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:38,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:38,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 08:02:38,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:38,191 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-13 08:02:38,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [801057958] [2020-10-13 08:02:38,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:38,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:38,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402156934] [2020-10-13 08:02:38,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:38,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:38,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:38,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:38,193 INFO L87 Difference]: Start difference. First operand 1023 states and 1325 transitions. Second operand 5 states. [2020-10-13 08:02:39,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:39,084 INFO L93 Difference]: Finished difference Result 2061 states and 2682 transitions. [2020-10-13 08:02:39,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:39,084 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 226 [2020-10-13 08:02:39,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:39,092 INFO L225 Difference]: With dead ends: 2061 [2020-10-13 08:02:39,092 INFO L226 Difference]: Without dead ends: 1027 [2020-10-13 08:02:39,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 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 08:02:39,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2020-10-13 08:02:39,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 1023. [2020-10-13 08:02:39,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1023 states. [2020-10-13 08:02:39,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1321 transitions. [2020-10-13 08:02:39,141 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1321 transitions. Word has length 226 [2020-10-13 08:02:39,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:39,142 INFO L479 AbstractCegarLoop]: Abstraction has 1023 states and 1321 transitions. [2020-10-13 08:02:39,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:39,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1321 transitions. [2020-10-13 08:02:39,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-13 08:02:39,146 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:39,147 INFO L422 BasicCegarLoop]: trace histogram [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, 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 08:02:39,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:02:39,147 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:39,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:39,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1564329403, now seen corresponding path program 1 times [2020-10-13 08:02:39,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:39,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [132174176] [2020-10-13 08:02:39,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:39,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:39,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:39,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:41,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:42,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:42,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-13 08:02:42,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:02:42,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2967 [2020-10-13 08:02:42,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:42,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:42,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-13 08:02:42,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-13 08:02:42,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:42,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:42,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:42,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:42,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:42,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:42,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:02:42,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:42,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:42,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:42,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:42,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:42,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:42,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:42,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:42,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-13 08:02:42,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:42,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 08:02:42,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:42,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:42,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:42,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:42,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:42,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 08:02:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:42,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:42,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:42,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:02:42,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:42,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 08:02:42,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:42,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:42,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:42,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 08:02:42,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:42,411 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-13 08:02:42,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [132174176] [2020-10-13 08:02:42,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:42,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:42,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138080084] [2020-10-13 08:02:42,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:42,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:42,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:42,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:42,414 INFO L87 Difference]: Start difference. First operand 1023 states and 1321 transitions. Second operand 5 states. [2020-10-13 08:02:43,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:43,611 INFO L93 Difference]: Finished difference Result 2624 states and 3449 transitions. [2020-10-13 08:02:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:43,613 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 226 [2020-10-13 08:02:43,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:43,624 INFO L225 Difference]: With dead ends: 2624 [2020-10-13 08:02:43,624 INFO L226 Difference]: Without dead ends: 1607 [2020-10-13 08:02:43,628 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 08:02:43,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2020-10-13 08:02:43,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1603. [2020-10-13 08:02:43,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1603 states. [2020-10-13 08:02:43,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 1997 transitions. [2020-10-13 08:02:43,721 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 1997 transitions. Word has length 226 [2020-10-13 08:02:43,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:43,722 INFO L479 AbstractCegarLoop]: Abstraction has 1603 states and 1997 transitions. [2020-10-13 08:02:43,722 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:43,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 1997 transitions. [2020-10-13 08:02:43,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-13 08:02:43,728 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:43,729 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-13 08:02:43,729 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:02:43,729 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:43,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:43,730 INFO L82 PathProgramCache]: Analyzing trace with hash 458875857, now seen corresponding path program 1 times [2020-10-13 08:02:43,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:43,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [723360748] [2020-10-13 08:02:43,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:43,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:43,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:44,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:44,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:48,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:48,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-13 08:02:48,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:02:48,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4587 [2020-10-13 08:02:48,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:48,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:48,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 190 [2020-10-13 08:02:48,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 08:02:48,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:48,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:48,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:48,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:48,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:48,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:48,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:02:48,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:48,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:48,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:48,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:48,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:48,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:48,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-13 08:02:48,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:48,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 08:02:48,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:48,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:48,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:48,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:48,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:48,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 08:02:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:48,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:48,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:48,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-13 08:02:48,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:48,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-13 08:02:48,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:48,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:48,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:48,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 08:02:48,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:48,722 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-10-13 08:02:48,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [723360748] [2020-10-13 08:02:48,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:48,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:48,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288334533] [2020-10-13 08:02:48,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:48,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:48,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:48,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:48,726 INFO L87 Difference]: Start difference. First operand 1603 states and 1997 transitions. Second operand 5 states. [2020-10-13 08:02:49,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:49,846 INFO L93 Difference]: Finished difference Result 3220 states and 4028 transitions. [2020-10-13 08:02:49,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:49,847 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 236 [2020-10-13 08:02:49,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:49,858 INFO L225 Difference]: With dead ends: 3220 [2020-10-13 08:02:49,858 INFO L226 Difference]: Without dead ends: 1607 [2020-10-13 08:02:49,866 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 08:02:49,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2020-10-13 08:02:49,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1603. [2020-10-13 08:02:49,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1603 states. [2020-10-13 08:02:49,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 1995 transitions. [2020-10-13 08:02:49,942 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 1995 transitions. Word has length 236 [2020-10-13 08:02:49,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:49,943 INFO L479 AbstractCegarLoop]: Abstraction has 1603 states and 1995 transitions. [2020-10-13 08:02:49,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:49,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 1995 transitions. [2020-10-13 08:02:49,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-10-13 08:02:49,953 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:49,954 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 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] [2020-10-13 08:02:49,954 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:02:49,954 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:49,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:49,955 INFO L82 PathProgramCache]: Analyzing trace with hash -199505855, now seen corresponding path program 1 times [2020-10-13 08:02:49,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:49,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1434937129] [2020-10-13 08:02:49,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:50,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:50,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:50,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:51,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:51,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:55,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:55,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-13 08:02:55,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:02:55,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 08:02:55,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:55,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:55,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-10-13 08:02:55,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 08:02:55,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:55,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:55,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:55,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:55,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:55,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:55,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:02:55,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:55,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:55,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:55,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:55,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:55,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-13 08:02:55,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:55,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 08:02:55,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:55,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:55,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:55,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:55,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:55,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 08:02:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:55,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:55,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:55,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-13 08:02:55,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:55,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-13 08:02:55,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:55,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:55,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:55,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 08:02:55,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:55,499 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-13 08:02:55,500 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1434937129] [2020-10-13 08:02:55,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:55,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:55,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366995869] [2020-10-13 08:02:55,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:55,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:55,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:55,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:55,503 INFO L87 Difference]: Start difference. First operand 1603 states and 1995 transitions. Second operand 5 states. [2020-10-13 08:02:56,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:56,636 INFO L93 Difference]: Finished difference Result 3219 states and 4023 transitions. [2020-10-13 08:02:56,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:56,637 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 244 [2020-10-13 08:02:56,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:56,644 INFO L225 Difference]: With dead ends: 3219 [2020-10-13 08:02:56,645 INFO L226 Difference]: Without dead ends: 1607 [2020-10-13 08:02:56,649 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 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 08:02:56,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2020-10-13 08:02:56,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1603. [2020-10-13 08:02:56,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1603 states. [2020-10-13 08:02:56,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 1993 transitions. [2020-10-13 08:02:56,696 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 1993 transitions. Word has length 244 [2020-10-13 08:02:56,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:56,697 INFO L479 AbstractCegarLoop]: Abstraction has 1603 states and 1993 transitions. [2020-10-13 08:02:56,697 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:56,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 1993 transitions. [2020-10-13 08:02:56,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-13 08:02:56,702 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:56,703 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-13 08:02:56,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:02:56,704 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:56,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:56,704 INFO L82 PathProgramCache]: Analyzing trace with hash -50393598, now seen corresponding path program 1 times [2020-10-13 08:02:56,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:56,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1338653270] [2020-10-13 08:02:56,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:56,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:56,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:57,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:58,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:58,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-13 08:02:58,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:02:58,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1533 [2020-10-13 08:02:58,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:58,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:58,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-10-13 08:02:58,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 08:02:58,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:58,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:58,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:58,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:58,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:58,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:58,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:02:58,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:58,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:58,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:58,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:58,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:58,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:58,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:58,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:58,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:02:58,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:58,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:02:58,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:58,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:58,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:58,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:58,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:58,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 08:02:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:58,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:58,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:58,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 08:02:58,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:58,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-13 08:02:58,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:58,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:58,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:58,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-13 08:02:58,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:58,838 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-13 08:02:58,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1338653270] [2020-10-13 08:02:58,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:58,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:58,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751856051] [2020-10-13 08:02:58,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:58,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:58,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:58,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:58,848 INFO L87 Difference]: Start difference. First operand 1603 states and 1993 transitions. Second operand 5 states. [2020-10-13 08:03:00,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:00,073 INFO L93 Difference]: Finished difference Result 3218 states and 4020 transitions. [2020-10-13 08:03:00,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:00,074 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 247 [2020-10-13 08:03:00,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:00,086 INFO L225 Difference]: With dead ends: 3218 [2020-10-13 08:03:00,086 INFO L226 Difference]: Without dead ends: 1607 [2020-10-13 08:03:00,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 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 08:03:00,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2020-10-13 08:03:00,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1603. [2020-10-13 08:03:00,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1603 states. [2020-10-13 08:03:00,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 1989 transitions. [2020-10-13 08:03:00,167 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 1989 transitions. Word has length 247 [2020-10-13 08:03:00,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:00,168 INFO L479 AbstractCegarLoop]: Abstraction has 1603 states and 1989 transitions. [2020-10-13 08:03:00,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:00,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 1989 transitions. [2020-10-13 08:03:00,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-10-13 08:03:00,177 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:00,178 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:03:00,178 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:03:00,179 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:00,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:00,179 INFO L82 PathProgramCache]: Analyzing trace with hash 385411855, now seen corresponding path program 1 times [2020-10-13 08:03:00,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:00,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [275920995] [2020-10-13 08:03:00,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:00,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:00,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:00,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:01,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:03,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:05,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:05,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-13 08:03:05,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:03:05,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4772 [2020-10-13 08:03:05,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:05,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:05,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 202 [2020-10-13 08:03:05,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 08:03:05,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:05,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:05,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:05,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:05,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:05,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:05,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:03:05,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:05,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:05,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:05,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:05,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:05,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:05,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:05,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:05,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:03:05,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:05,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 08:03:05,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:05,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:05,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:05,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:05,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:05,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 08:03:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:05,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:05,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:05,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:03:05,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:05,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-13 08:03:05,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:05,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:05,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:05,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:03:05,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:05,400 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-13 08:03:05,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [275920995] [2020-10-13 08:03:05,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:05,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:05,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340306399] [2020-10-13 08:03:05,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:05,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:05,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:05,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:05,403 INFO L87 Difference]: Start difference. First operand 1603 states and 1989 transitions. Second operand 5 states. [2020-10-13 08:03:06,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:06,204 INFO L93 Difference]: Finished difference Result 3222 states and 4028 transitions. [2020-10-13 08:03:06,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:06,204 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 248 [2020-10-13 08:03:06,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:06,212 INFO L225 Difference]: With dead ends: 3222 [2020-10-13 08:03:06,213 INFO L226 Difference]: Without dead ends: 1607 [2020-10-13 08:03:06,217 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 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 08:03:06,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2020-10-13 08:03:06,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1317. [2020-10-13 08:03:06,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1317 states. [2020-10-13 08:03:06,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 1653 transitions. [2020-10-13 08:03:06,255 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 1653 transitions. Word has length 248 [2020-10-13 08:03:06,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:06,256 INFO L479 AbstractCegarLoop]: Abstraction has 1317 states and 1653 transitions. [2020-10-13 08:03:06,256 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:06,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1653 transitions. [2020-10-13 08:03:06,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-10-13 08:03:06,261 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:06,262 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-13 08:03:06,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:03:06,262 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:06,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:06,263 INFO L82 PathProgramCache]: Analyzing trace with hash 79461101, now seen corresponding path program 1 times [2020-10-13 08:03:06,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:06,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [265604756] [2020-10-13 08:03:06,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:06,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:06,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:06,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:07,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:08,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:08,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 282 [2020-10-13 08:03:08,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:03:08,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2466 [2020-10-13 08:03:08,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:08,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:08,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 224 [2020-10-13 08:03:08,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 08:03:08,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:08,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:08,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:08,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:08,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:08,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:08,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:08,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:08,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:08,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:08,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:08,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:08,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:08,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:08,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:08,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:03:08,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:08,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 08:03:08,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:08,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:08,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:08,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:08,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:08,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 08:03:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:08,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:09,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:09,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 08:03:09,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:09,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-13 08:03:09,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:09,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:09,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:09,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-13 08:03:09,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:09,101 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-13 08:03:09,101 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [265604756] [2020-10-13 08:03:09,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:09,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:09,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612601423] [2020-10-13 08:03:09,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:09,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:09,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:09,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:09,103 INFO L87 Difference]: Start difference. First operand 1317 states and 1653 transitions. Second operand 5 states. [2020-10-13 08:03:09,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:09,903 INFO L93 Difference]: Finished difference Result 2643 states and 3336 transitions. [2020-10-13 08:03:09,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:09,907 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 270 [2020-10-13 08:03:09,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:09,914 INFO L225 Difference]: With dead ends: 2643 [2020-10-13 08:03:09,914 INFO L226 Difference]: Without dead ends: 1321 [2020-10-13 08:03:09,917 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 08:03:09,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2020-10-13 08:03:09,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 1317. [2020-10-13 08:03:09,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1317 states. [2020-10-13 08:03:09,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 1648 transitions. [2020-10-13 08:03:09,954 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 1648 transitions. Word has length 270 [2020-10-13 08:03:09,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:09,955 INFO L479 AbstractCegarLoop]: Abstraction has 1317 states and 1648 transitions. [2020-10-13 08:03:09,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:09,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1648 transitions. [2020-10-13 08:03:09,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-10-13 08:03:09,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:09,962 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:03:09,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:03:09,963 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:09,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:09,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1822216118, now seen corresponding path program 1 times [2020-10-13 08:03:09,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:09,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1716402537] [2020-10-13 08:03:09,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:10,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:10,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:10,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:14,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:15,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:15,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 307 [2020-10-13 08:03:15,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:03:15,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 08:03:15,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:15,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:03:15,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 249 [2020-10-13 08:03:15,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 08:03:15,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:15,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:15,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:15,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:15,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:15,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:15,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:03:15,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:15,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:15,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:15,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:15,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:15,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:15,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:15,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:15,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-13 08:03:15,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:15,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 08:03:15,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:15,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:15,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:15,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:15,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:15,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 08:03:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:15,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:15,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:15,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-13 08:03:15,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:15,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-13 08:03:15,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:15,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:15,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:15,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-13 08:03:15,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:15,391 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-10-13 08:03:15,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1716402537] [2020-10-13 08:03:15,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:15,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:03:15,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417637530] [2020-10-13 08:03:15,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:03:15,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:15,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:03:15,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:03:15,393 INFO L87 Difference]: Start difference. First operand 1317 states and 1648 transitions. Second operand 8 states. [2020-10-13 08:03:16,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:16,370 INFO L93 Difference]: Finished difference Result 2657 states and 3339 transitions. [2020-10-13 08:03:16,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 08:03:16,371 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 295 [2020-10-13 08:03:16,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:16,377 INFO L225 Difference]: With dead ends: 2657 [2020-10-13 08:03:16,377 INFO L226 Difference]: Without dead ends: 1321 [2020-10-13 08:03:16,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:03:16,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2020-10-13 08:03:16,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 1317. [2020-10-13 08:03:16,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1317 states. [2020-10-13 08:03:16,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 1643 transitions. [2020-10-13 08:03:16,417 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 1643 transitions. Word has length 295 [2020-10-13 08:03:16,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:16,417 INFO L479 AbstractCegarLoop]: Abstraction has 1317 states and 1643 transitions. [2020-10-13 08:03:16,417 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:03:16,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1643 transitions. [2020-10-13 08:03:16,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-10-13 08:03:16,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:16,424 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:03:16,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:03:16,424 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:16,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:16,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1976745636, now seen corresponding path program 1 times [2020-10-13 08:03:16,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:16,425 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [245804931] [2020-10-13 08:03:16,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:16,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:16,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:16,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:17,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:18,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:20,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:20,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 309 [2020-10-13 08:03:20,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:03:20,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4123 [2020-10-13 08:03:20,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:20,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:20,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 251 [2020-10-13 08:03:20,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 08:03:20,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:20,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:20,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:20,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:20,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:20,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:20,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:20,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:20,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:20,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:20,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:20,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:20,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:20,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:20,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:20,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:03:20,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:20,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 08:03:20,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:20,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:20,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:20,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:20,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:20,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 08:03:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:20,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:20,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:20,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-13 08:03:20,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:20,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-13 08:03:20,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:20,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:20,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:20,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 08:03:20,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:20,857 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-10-13 08:03:20,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [245804931] [2020-10-13 08:03:20,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:20,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:20,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356895955] [2020-10-13 08:03:20,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:20,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:20,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:20,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:20,859 INFO L87 Difference]: Start difference. First operand 1317 states and 1643 transitions. Second operand 5 states. [2020-10-13 08:03:21,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:21,682 INFO L93 Difference]: Finished difference Result 2503 states and 3095 transitions. [2020-10-13 08:03:21,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:21,682 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 297 [2020-10-13 08:03:21,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:21,683 INFO L225 Difference]: With dead ends: 2503 [2020-10-13 08:03:21,683 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:03:21,693 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 08:03:21,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:03:21,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:03:21,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:03:21,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:03:21,694 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 297 [2020-10-13 08:03:21,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:21,695 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:03:21,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:21,695 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:03:21,695 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:03:21,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:03:21,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:03:22,092 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 65 [2020-10-13 08:03:22,275 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 65 [2020-10-13 08:03:23,009 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 106 [2020-10-13 08:03:23,342 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-10-13 08:03:23,628 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-10-13 08:03:23,632 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:03:23,633 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-13 08:03:23,633 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:03:23,633 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-13 08:03:23,633 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,633 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,633 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,633 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,633 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,633 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,634 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-13 08:03:23,634 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-13 08:03:23,634 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:03:23,634 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:03:23,634 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:03:23,634 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:03:23,634 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:03:23,634 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:03:23,634 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-13 08:03:23,634 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-13 08:03:23,635 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-13 08:03:23,635 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,635 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,636 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,636 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,636 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,636 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-13 08:03:23,636 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-13 08:03:23,636 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-13 08:03:23,637 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-13 08:03:23,637 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:03:23,637 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:03:23,637 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:03:23,637 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:03:23,637 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:03:23,637 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-13 08:03:23,637 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-13 08:03:23,637 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-13 08:03:23,637 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-13 08:03:23,638 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2020-10-13 08:03:23,638 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-13 08:03:23,638 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,638 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,638 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,638 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,638 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,638 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-13 08:03:23,638 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:03:23,639 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:03:23,639 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:03:23,639 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:03:23,639 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:03:23,639 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-13 08:03:23,639 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-13 08:03:23,640 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-13 08:03:23,640 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-13 08:03:23,640 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,640 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,640 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,641 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,642 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,642 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-13 08:03:23,642 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-13 08:03:23,642 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-13 08:03:23,642 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:03:23,642 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:03:23,643 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:03:23,643 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:03:23,643 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:03:23,643 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-13 08:03:23,643 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-13 08:03:23,643 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-13 08:03:23,643 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-13 08:03:23,643 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-13 08:03:23,643 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,643 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,643 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,644 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,644 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,644 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:03:23,644 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:03:23,644 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:03:23,644 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:03:23,644 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:03:23,644 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-13 08:03:23,644 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-13 08:03:23,644 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-13 08:03:23,644 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-13 08:03:23,645 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,645 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,645 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,645 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,645 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,645 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,645 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,645 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-13 08:03:23,645 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-13 08:03:23,645 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-13 08:03:23,645 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-13 08:03:23,646 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:03:23,646 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:03:23,646 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:03:23,646 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:03:23,646 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:03:23,646 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-13 08:03:23,646 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-13 08:03:23,646 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-13 08:03:23,646 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-13 08:03:23,646 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,647 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,647 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,647 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,647 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:03:23,647 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,647 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,647 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-13 08:03:23,648 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-13 08:03:23,648 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-13 08:03:23,648 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:03:23,648 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:03:23,648 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:03:23,648 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:03:23,649 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:03:23,649 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:03:23,649 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-13 08:03:23,649 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-13 08:03:23,649 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-13 08:03:23,650 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-13 08:03:23,650 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,650 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,650 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,650 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,650 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,650 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,650 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-13 08:03:23,650 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-13 08:03:23,651 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-13 08:03:23,651 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:03:23,651 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:03:23,651 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:03:23,651 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:03:23,651 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:03:23,651 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:03:23,651 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-13 08:03:23,651 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-13 08:03:23,652 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse6 (= ~a1~0 |old(~a1~0)|)) (.cse7 (= ~a10~0 |old(~a10~0)|))) (let ((.cse4 (not (<= 2 |old(~a10~0)|))) (.cse5 (not (<= |old(~a10~0)| 2))) (.cse2 (not (= 8 |old(~a19~0)|))) (.cse8 (not (= |old(~a10~0)| 1))) (.cse0 (and .cse6 (= ~a19~0 |old(~a19~0)|) .cse7)) (.cse1 (not (= 14 ~a4~0))) (.cse10 (not (<= |old(~a1~0)| 33))) (.cse9 (not (= 7 |old(~a19~0)|))) (.cse3 (not (= ~a12~0 0)))) (and (or (not (<= 592098 |old(~a1~0)|)) .cse0 .cse1 (not (= 2 |old(~a10~0)|)) .cse2 .cse3) (or (not (<= |old(~a19~0)| 8)) (not (<= |old(~a1~0)| 36)) (not (<= 8 |old(~a19~0)|)) .cse4 .cse5 .cse1 (and (<= 8 ~a19~0) (<= ~a19~0 8) .cse6 .cse7) .cse3) (or .cse0 .cse1 (not (= 4 |old(~a10~0)|)) .cse2 .cse3) (or (not (<= 221 |old(~a1~0)|)) .cse8 .cse0 .cse1 .cse9 .cse3) (or (not (<= 10 |old(~a19~0)|)) .cse0) (or (not (<= 6 |old(~a19~0)|)) (not (<= 3 |old(~a10~0)|)) .cse1 .cse10 (not (<= |old(~a19~0)| 6)) (and (<= 6 ~a19~0) .cse6 (<= ~a19~0 6) .cse7) .cse3 (not (<= |old(~a10~0)| 3))) (or (not (<= 117 |old(~a1~0)|)) (not (<= |old(~a19~0)| 7)) (not (<= 7 |old(~a19~0)|)) (not (<= |old(~a1~0)| 206)) .cse0 .cse4 .cse5 .cse1 .cse3) (or (not (= 9 |old(~a19~0)|)) .cse0) (or .cse0 (not (<= |old(~a1~0)| 23))) (or (not (<= |old(~a10~0)| 0)) .cse0) (or (not (<= 331498 |old(~a1~0)|)) .cse0 .cse8 .cse1 .cse2 .cse3) (or .cse8 .cse0 .cse1 .cse10 .cse9 .cse3)))) [2020-10-13 08:03:23,652 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-13 08:03:23,652 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-13 08:03:23,652 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-13 08:03:23,653 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,653 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,653 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,653 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,653 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,653 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,653 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-13 08:03:23,653 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:03:23,653 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:03:23,654 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:03:23,654 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:03:23,654 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:03:23,654 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:03:23,654 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-13 08:03:23,654 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-13 08:03:23,654 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-13 08:03:23,654 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-13 08:03:23,654 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-13 08:03:23,655 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-13 08:03:23,655 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,655 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,655 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,655 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,655 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,655 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,655 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-13 08:03:23,656 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-13 08:03:23,656 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-13 08:03:23,656 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:03:23,656 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:03:23,656 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:03:23,656 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:03:23,656 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:03:23,656 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:03:23,657 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-13 08:03:23,657 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-13 08:03:23,657 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-13 08:03:23,657 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,657 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,657 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,657 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,657 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,657 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:23,657 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-13 08:03:23,658 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-13 08:03:23,658 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-13 08:03:23,658 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:03:23,658 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:03:23,658 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:03:23,658 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:03:23,658 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:03:23,658 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:03:23,658 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-13 08:03:23,659 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-13 08:03:23,659 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-13 08:03:23,659 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:03:23,659 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a19~0 9) (<= ~a1~0 23)) [2020-10-13 08:03:23,659 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:03:23,659 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:03:23,659 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= |old(~a10~0)| 0)) (not (= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23))) [2020-10-13 08:03:23,660 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:03:23,660 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= ~a10~0 2)) (.cse3 (<= 2 ~a10~0)) (.cse6 (= ~a19~0 8)) (.cse4 (= ~a10~0 1)) (.cse5 (= 7 ~a19~0)) (.cse0 (= 14 ~a4~0)) (.cse7 (<= ~a1~0 33)) (.cse2 (= ~a12~0 0))) (or (<= ~a10~0 0) (and (<= ~a1~0 36) (<= 8 ~a19~0) .cse0 .cse1 .cse2 .cse3) (and (<= ~a19~0 7) .cse0 (<= 7 ~a19~0) .cse1 .cse2 (<= 117 ~a1~0) .cse3 (<= ~a1~0 206)) (<= 10 ~a19~0) (and .cse4 .cse5 .cse0 .cse2 (<= 221 ~a1~0)) (= ~a19~0 9) (and .cse6 (<= 331498 ~a1~0) .cse4 .cse0 .cse2) (and .cse6 .cse0 (= ~a10~0 2) .cse2 (<= 592098 ~a1~0)) (and .cse6 .cse0 .cse2 (= ~a10~0 4)) (not (<= |old(~a10~0)| 0)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and .cse4 .cse5 .cse0 .cse7 .cse2) (and (<= 3 ~a10~0) (<= 6 ~a19~0) .cse0 .cse7 .cse2 (<= ~a19~0 6) (<= ~a10~0 3)) (<= ~a1~0 23))) [2020-10-13 08:03:23,660 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-13 08:03:23,660 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-13 08:03:23,661 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= ~a10~0 2)) (.cse3 (<= 2 ~a10~0)) (.cse6 (= ~a19~0 8)) (.cse4 (= ~a10~0 1)) (.cse5 (= 7 ~a19~0)) (.cse0 (= 14 ~a4~0)) (.cse7 (<= ~a1~0 33)) (.cse2 (= ~a12~0 0))) (or (<= ~a10~0 0) (and (<= ~a1~0 36) (<= 8 ~a19~0) .cse0 .cse1 .cse2 .cse3) (and (<= ~a19~0 7) .cse0 (<= 7 ~a19~0) .cse1 .cse2 (<= 117 ~a1~0) .cse3 (<= ~a1~0 206)) (<= 10 ~a19~0) (and .cse4 .cse5 .cse0 .cse2 (<= 221 ~a1~0)) (= ~a19~0 9) (and .cse6 (<= 331498 ~a1~0) .cse4 .cse0 .cse2) (and .cse6 .cse0 (= ~a10~0 2) .cse2 (<= 592098 ~a1~0)) (and .cse6 .cse0 .cse2 (= ~a10~0 4)) (not (<= |old(~a10~0)| 0)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and .cse4 .cse5 .cse0 .cse7 .cse2) (and (<= 3 ~a10~0) (<= 6 ~a19~0) .cse0 .cse7 .cse2 (<= ~a19~0 6) (<= ~a10~0 3)) (<= ~a1~0 23))) [2020-10-13 08:03:23,661 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:03:23,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:03:23 BoogieIcfgContainer [2020-10-13 08:03:23,704 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:03:23,707 INFO L168 Benchmark]: Toolchain (without parser) took 59852.97 ms. Allocated memory was 146.3 MB in the beginning and 996.7 MB in the end (delta: 850.4 MB). Free memory was 101.8 MB in the beginning and 661.7 MB in the end (delta: -559.9 MB). Peak memory consumption was 829.4 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:23,708 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-13 08:03:23,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 829.94 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 101.6 MB in the beginning and 170.0 MB in the end (delta: -68.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:23,709 INFO L168 Benchmark]: Boogie Preprocessor took 109.35 ms. Allocated memory is still 205.0 MB. Free memory was 170.0 MB in the beginning and 164.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:23,714 INFO L168 Benchmark]: RCFGBuilder took 1647.34 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 164.9 MB in the beginning and 178.8 MB in the end (delta: -13.8 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:23,715 INFO L168 Benchmark]: TraceAbstraction took 57258.78 ms. Allocated memory was 237.5 MB in the beginning and 996.7 MB in the end (delta: 759.2 MB). Free memory was 178.8 MB in the beginning and 661.7 MB in the end (delta: -482.9 MB). Peak memory consumption was 815.2 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:23,722 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 829.94 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 101.6 MB in the beginning and 170.0 MB in the end (delta: -68.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.35 ms. Allocated memory is still 205.0 MB. Free memory was 170.0 MB in the beginning and 164.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1647.34 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 164.9 MB in the beginning and 178.8 MB in the end (delta: -13.8 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 57258.78 ms. Allocated memory was 237.5 MB in the beginning and 996.7 MB in the end (delta: 759.2 MB). Free memory was 178.8 MB in the beginning and 661.7 MB in the end (delta: -482.9 MB). Peak memory consumption was 815.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 160]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((((((a10 <= 0 || (((((a1 <= 36 && 8 <= a19) && 14 == a4) && a10 <= 2) && a12 == 0) && 2 <= a10)) || (((((((a19 <= 7 && 14 == a4) && 7 <= a19) && a10 <= 2) && a12 == 0) && 117 <= a1) && 2 <= a10) && a1 <= 206)) || 10 <= a19) || ((((a10 == 1 && 7 == a19) && 14 == a4) && a12 == 0) && 221 <= a1)) || a19 == 9) || ((((a19 == 8 && 331498 <= a1) && a10 == 1) && 14 == a4) && a12 == 0)) || ((((a19 == 8 && 14 == a4) && a10 == 2) && a12 == 0) && 592098 <= a1)) || (((a19 == 8 && 14 == a4) && a12 == 0) && a10 == 4)) || !(\old(a10) <= 0)) || !(9 == \old(a19))) || !(\old(a1) <= 23)) || ((((a10 == 1 && 7 == a19) && 14 == a4) && a1 <= 33) && a12 == 0)) || ((((((3 <= a10 && 6 <= a19) && 14 == a4) && a1 <= 33) && a12 == 0) && a19 <= 6) && a10 <= 3)) || a1 <= 23 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 55.1s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 14.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 312 SDtfs, 3177 SDslu, 253 SDs, 0 SdLazy, 7595 SolverSat, 428 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 101 SyntacticMatches, 5 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1603occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 473 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 121 PreInvPairs, 159 NumberOfFragments, 740 HoareAnnotationTreeSize, 121 FomulaSimplifications, 343699 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 885 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 38.5s InterpolantComputationTime, 2769 NumberOfCodeBlocks, 2769 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2756 ConstructedInterpolants, 0 QuantifiedInterpolants, 1493115 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 1790/1811 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 correct! Received shutdown request...