/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_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:02:58,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:02:58,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:02:58,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:02:58,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:02:58,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:02:58,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:02:58,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:02:58,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:02:58,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:02:58,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:02:58,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:02:58,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:02:58,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:02:58,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:02:58,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:02:58,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:02:58,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:02:58,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:02:58,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:02:58,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:02:58,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:02:58,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:02:58,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:02:58,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:02:58,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:02:58,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:02:58,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:02:58,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:02:58,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:02:58,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:02:58,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:02:58,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:02:58,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:02:58,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:02:58,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:02:58,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:02:58,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:02:58,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:02:58,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:02:58,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:02:58,542 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 08:02:58,566 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:02:58,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:02:58,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:02:58,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:02:58,568 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:02:58,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:02:58,568 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:02:58,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:02:58,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:02:58,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:02:58,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:02:58,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:02:58,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:02:58,570 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:02:58,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:02:58,570 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:02:58,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:02:58,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:02:58,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:02:58,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:02:58,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:02:58,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:02:58,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:02:58,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:02:58,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:02:58,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:02:58,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:02:58,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:02:58,573 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:02:58,573 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 08:02:58,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:02:58,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:02:58,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:02:58,893 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:02:58,894 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:02:58,895 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label16.c [2020-10-13 08:02:58,956 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e9c7bff38/35276468896b426f8f962de11fbc25f1/FLAG877746cdf [2020-10-13 08:02:59,555 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:02:59,556 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label16.c [2020-10-13 08:02:59,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e9c7bff38/35276468896b426f8f962de11fbc25f1/FLAG877746cdf [2020-10-13 08:02:59,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e9c7bff38/35276468896b426f8f962de11fbc25f1 [2020-10-13 08:02:59,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:02:59,882 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:02:59,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:02:59,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:02:59,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:02:59,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:02:59" (1/1) ... [2020-10-13 08:02:59,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@291cbb33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:59, skipping insertion in model container [2020-10-13 08:02:59,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:02:59" (1/1) ... [2020-10-13 08:02:59,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:02:59,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:03:00,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:03:00,539 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:03:00,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:03:00,691 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:03:00,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:00 WrapperNode [2020-10-13 08:03:00,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:03:00,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:03:00,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:03:00,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:03:00,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:00" (1/1) ... [2020-10-13 08:03:00,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:00" (1/1) ... [2020-10-13 08:03:00,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:00" (1/1) ... [2020-10-13 08:03:00,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:00" (1/1) ... [2020-10-13 08:03:00,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:00" (1/1) ... [2020-10-13 08:03:00,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:00" (1/1) ... [2020-10-13 08:03:00,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:00" (1/1) ... [2020-10-13 08:03:00,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:03:00,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:03:00,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:03:00,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:03:00,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:00" (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 08:03:00,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:03:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:03:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:03:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:03:00,900 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:03:00,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:03:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:03:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:03:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:03:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:03:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:03:02,285 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:03:02,285 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:03:02,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:03:02 BoogieIcfgContainer [2020-10-13 08:03:02,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:03:02,301 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:03:02,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:03:02,305 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:03:02,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:02:59" (1/3) ... [2020-10-13 08:03:02,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@648cbd3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:03:02, skipping insertion in model container [2020-10-13 08:03:02,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:00" (2/3) ... [2020-10-13 08:03:02,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@648cbd3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:03:02, skipping insertion in model container [2020-10-13 08:03:02,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:03:02" (3/3) ... [2020-10-13 08:03:02,312 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label16.c [2020-10-13 08:03:02,323 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:03:02,337 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:03:02,353 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:03:02,389 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:03:02,390 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:03:02,391 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:03:02,391 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:03:02,391 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:03:02,391 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:03:02,392 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:03:02,392 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:03:02,420 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-13 08:03:02,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-13 08:03:02,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:02,435 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] [2020-10-13 08:03:02,436 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:02,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:02,443 INFO L82 PathProgramCache]: Analyzing trace with hash -369766826, now seen corresponding path program 1 times [2020-10-13 08:03:02,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:02,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1184210498] [2020-10-13 08:03:02,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:02,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:03,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:03,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 08:03:03,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:03,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 382 [2020-10-13 08:03:03,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:03:03,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:03:03,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-13 08:03:03,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:03:03,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:03,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:03,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:03,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:03,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:03,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:03:03,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:03,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:03,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:03,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:03:03,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:03,250 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 08:03:03,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1184210498] [2020-10-13 08:03:03,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:03:03,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 08:03:03,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587372162] [2020-10-13 08:03:03,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:03,260 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:03,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:03,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:03,273 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-10-13 08:03:04,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:04,753 INFO L93 Difference]: Finished difference Result 581 states and 1006 transitions. [2020-10-13 08:03:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:04,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-10-13 08:03:04,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:04,789 INFO L225 Difference]: With dead ends: 581 [2020-10-13 08:03:04,789 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:03:04,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:04,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:03:04,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-10-13 08:03:04,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-13 08:03:04,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 395 transitions. [2020-10-13 08:03:04,890 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 395 transitions. Word has length 39 [2020-10-13 08:03:04,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:04,890 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 395 transitions. [2020-10-13 08:03:04,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:04,891 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 395 transitions. [2020-10-13 08:03:04,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-13 08:03:04,898 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:04,899 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:03:04,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:03:04,899 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:04,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:04,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1137849714, now seen corresponding path program 1 times [2020-10-13 08:03:04,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:04,901 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [932720530] [2020-10-13 08:03:04,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:05,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:05,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:05,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:05,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-13 08:03:05,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:03:05,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 832 [2020-10-13 08:03:05,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:05,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:05,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-13 08:03:05,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-13 08:03:05,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:05,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:05,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:05,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:05,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:05,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:05,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:03:05,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:05,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:05,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:05,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:05,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 08:03:05,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:05,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:05,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:05,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:03:05,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:05,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-13 08:03:05,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:05,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:05,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:05,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-13 08:03:05,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:06,029 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:06,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [932720530] [2020-10-13 08:03:06,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:06,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:06,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011118207] [2020-10-13 08:03:06,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:06,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:06,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:06,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:06,044 INFO L87 Difference]: Start difference. First operand 298 states and 395 transitions. Second operand 5 states. [2020-10-13 08:03:07,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:07,284 INFO L93 Difference]: Finished difference Result 739 states and 1019 transitions. [2020-10-13 08:03:07,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:07,285 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2020-10-13 08:03:07,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:07,289 INFO L225 Difference]: With dead ends: 739 [2020-10-13 08:03:07,290 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:03:07,291 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 08:03:07,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:03:07,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-10-13 08:03:07,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-10-13 08:03:07,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 553 transitions. [2020-10-13 08:03:07,325 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 553 transitions. Word has length 109 [2020-10-13 08:03:07,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:07,326 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 553 transitions. [2020-10-13 08:03:07,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:07,326 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 553 transitions. [2020-10-13 08:03:07,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-13 08:03:07,329 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:07,329 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:03:07,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:03:07,330 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:07,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:07,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1164108309, now seen corresponding path program 1 times [2020-10-13 08:03:07,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:07,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [206441832] [2020-10-13 08:03:07,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:07,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:07,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:07,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:08,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:08,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-13 08:03:08,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:03:08,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1272 [2020-10-13 08:03:08,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:08,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:08,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-13 08:03:08,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-13 08:03:08,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:08,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:08,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:08,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:08,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:08,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:08,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:08,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:08,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:08,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:08,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:08,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:08,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:08,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:08,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:08,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 08:03:08,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:08,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-13 08:03:08,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:08,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:08,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:08,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-13 08:03:08,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:08,875 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:08,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [206441832] [2020-10-13 08:03:08,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:08,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:08,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741962187] [2020-10-13 08:03:08,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:08,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:08,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:08,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:08,879 INFO L87 Difference]: Start difference. First operand 443 states and 553 transitions. Second operand 5 states. [2020-10-13 08:03:09,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:09,952 INFO L93 Difference]: Finished difference Result 884 states and 1126 transitions. [2020-10-13 08:03:09,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:09,953 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2020-10-13 08:03:09,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:09,958 INFO L225 Difference]: With dead ends: 884 [2020-10-13 08:03:09,959 INFO L226 Difference]: Without dead ends: 882 [2020-10-13 08:03:09,960 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 08:03:09,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2020-10-13 08:03:09,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 590. [2020-10-13 08:03:09,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-13 08:03:10,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 783 transitions. [2020-10-13 08:03:10,001 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 783 transitions. Word has length 116 [2020-10-13 08:03:10,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:10,001 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 783 transitions. [2020-10-13 08:03:10,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:10,002 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 783 transitions. [2020-10-13 08:03:10,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-13 08:03:10,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:10,005 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:03:10,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:03:10,005 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:10,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:10,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1668215367, now seen corresponding path program 1 times [2020-10-13 08:03:10,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:10,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1534850980] [2020-10-13 08:03:10,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:10,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:10,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:10,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:10,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-13 08:03:10,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:03:10,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 380 [2020-10-13 08:03:10,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:10,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:10,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-13 08:03:10,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 08:03:10,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:10,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:10,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:10,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:10,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:10,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:10,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:10,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:10,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:10,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:10,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:10,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:03:10,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:10,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:10,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:10,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 08:03:10,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:10,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-13 08:03:10,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:10,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:10,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:10,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:03:10,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:10,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1534850980] [2020-10-13 08:03:10,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:10,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:10,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448037778] [2020-10-13 08:03:10,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:10,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:10,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:10,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:10,714 INFO L87 Difference]: Start difference. First operand 590 states and 783 transitions. Second operand 5 states. [2020-10-13 08:03:11,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:11,576 INFO L93 Difference]: Finished difference Result 1201 states and 1603 transitions. [2020-10-13 08:03:11,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:11,577 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2020-10-13 08:03:11,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:11,585 INFO L225 Difference]: With dead ends: 1201 [2020-10-13 08:03:11,585 INFO L226 Difference]: Without dead ends: 594 [2020-10-13 08:03:11,588 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 08:03:11,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-13 08:03:11,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 590. [2020-10-13 08:03:11,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-13 08:03:11,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 780 transitions. [2020-10-13 08:03:11,623 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 780 transitions. Word has length 118 [2020-10-13 08:03:11,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:11,624 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 780 transitions. [2020-10-13 08:03:11,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:11,625 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 780 transitions. [2020-10-13 08:03:11,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-13 08:03:11,637 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:11,637 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:03:11,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:03:11,637 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:11,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:11,638 INFO L82 PathProgramCache]: Analyzing trace with hash 198110362, now seen corresponding path program 1 times [2020-10-13 08:03:11,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:11,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [987575307] [2020-10-13 08:03:11,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:11,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:11,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:12,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:12,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:12,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-13 08:03:12,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:03:12,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1303 [2020-10-13 08:03:12,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:12,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:12,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 132 [2020-10-13 08:03:12,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 08:03:12,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:13,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:13,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:13,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:13,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:13,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:13,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:03:13,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:13,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:13,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:13,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:13,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:13,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:13,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:13,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:13,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-13 08:03:13,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:13,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-13 08:03:13,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:13,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:13,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:13,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 08:03:13,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:13,295 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:13,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [987575307] [2020-10-13 08:03:13,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:13,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:13,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477825253] [2020-10-13 08:03:13,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:13,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:13,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:13,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:13,298 INFO L87 Difference]: Start difference. First operand 590 states and 780 transitions. Second operand 5 states. [2020-10-13 08:03:14,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:14,112 INFO L93 Difference]: Finished difference Result 1196 states and 1590 transitions. [2020-10-13 08:03:14,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:14,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-10-13 08:03:14,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:14,117 INFO L225 Difference]: With dead ends: 1196 [2020-10-13 08:03:14,117 INFO L226 Difference]: Without dead ends: 594 [2020-10-13 08:03:14,119 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 08:03:14,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-13 08:03:14,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 590. [2020-10-13 08:03:14,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-13 08:03:14,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 776 transitions. [2020-10-13 08:03:14,139 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 776 transitions. Word has length 161 [2020-10-13 08:03:14,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:14,139 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 776 transitions. [2020-10-13 08:03:14,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:14,140 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 776 transitions. [2020-10-13 08:03:14,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-13 08:03:14,171 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:14,171 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 08:03:14,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:03:14,172 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:14,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:14,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1610532041, now seen corresponding path program 1 times [2020-10-13 08:03:14,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:14,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [425428033] [2020-10-13 08:03:14,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:14,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:14,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:15,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:15,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:16,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:16,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-13 08:03:16,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:03:16,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2690 [2020-10-13 08:03:16,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:16,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:16,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 171 [2020-10-13 08:03:16,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 08:03:16,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:16,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:16,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:16,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:16,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:16,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:16,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:16,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:16,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:16,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:16,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:16,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:16,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:16,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:16,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:16,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 08:03:16,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:16,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 08:03:16,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:16,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:16,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:16,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:16,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:17,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 08:03:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:17,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:17,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:17,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-13 08:03:17,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:17,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-13 08:03:17,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:17,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:17,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:17,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 08:03:17,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:17,161 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-13 08:03:17,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [425428033] [2020-10-13 08:03:17,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:17,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:17,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054114775] [2020-10-13 08:03:17,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:17,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:17,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:17,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:17,167 INFO L87 Difference]: Start difference. First operand 590 states and 776 transitions. Second operand 5 states. [2020-10-13 08:03:18,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:18,030 INFO L93 Difference]: Finished difference Result 1194 states and 1579 transitions. [2020-10-13 08:03:18,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:18,033 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 198 [2020-10-13 08:03:18,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:18,041 INFO L225 Difference]: With dead ends: 1194 [2020-10-13 08:03:18,041 INFO L226 Difference]: Without dead ends: 594 [2020-10-13 08:03:18,043 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 08:03:18,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-13 08:03:18,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 590. [2020-10-13 08:03:18,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-13 08:03:18,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 774 transitions. [2020-10-13 08:03:18,070 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 774 transitions. Word has length 198 [2020-10-13 08:03:18,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:18,071 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 774 transitions. [2020-10-13 08:03:18,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:18,071 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 774 transitions. [2020-10-13 08:03:18,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-13 08:03:18,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:18,074 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:03:18,074 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:03:18,074 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:18,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:18,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1854817959, now seen corresponding path program 1 times [2020-10-13 08:03:18,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:18,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [878469128] [2020-10-13 08:03:18,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:18,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:18,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:18,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:19,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:21,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:22,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:22,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-13 08:03:22,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:03:22,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4102 [2020-10-13 08:03:22,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:22,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:22,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 179 [2020-10-13 08:03:22,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 08:03:22,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:22,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:22,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:22,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:22,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:22,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:22,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:22,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:22,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:22,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:22,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:22,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:22,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:22,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:22,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:22,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 08:03:22,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:22,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 08:03:22,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:22,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:22,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:22,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 08:03:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:22,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:22,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:22,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-13 08:03:22,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:22,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-13 08:03:22,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:22,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:22,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:22,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 08:03:22,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:22,586 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-13 08:03:22,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [878469128] [2020-10-13 08:03:22,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:22,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:22,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251031156] [2020-10-13 08:03:22,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:22,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:22,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:22,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:22,591 INFO L87 Difference]: Start difference. First operand 590 states and 774 transitions. Second operand 5 states. [2020-10-13 08:03:23,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:23,780 INFO L93 Difference]: Finished difference Result 1193 states and 1574 transitions. [2020-10-13 08:03:23,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:23,781 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 206 [2020-10-13 08:03:23,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:23,786 INFO L225 Difference]: With dead ends: 1193 [2020-10-13 08:03:23,787 INFO L226 Difference]: Without dead ends: 594 [2020-10-13 08:03:23,790 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 08:03:23,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-13 08:03:23,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 590. [2020-10-13 08:03:23,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-13 08:03:23,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 772 transitions. [2020-10-13 08:03:23,820 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 772 transitions. Word has length 206 [2020-10-13 08:03:23,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:23,821 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 772 transitions. [2020-10-13 08:03:23,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:23,821 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 772 transitions. [2020-10-13 08:03:23,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-13 08:03:23,829 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:23,830 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:03:23,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:03:23,830 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:23,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:23,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1126359062, now seen corresponding path program 1 times [2020-10-13 08:03:23,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:23,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [247258525] [2020-10-13 08:03:23,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:23,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:24,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:24,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:26,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:28,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:28,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-13 08:03:28,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:03:28,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4571 [2020-10-13 08:03:28,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:28,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:28,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-10-13 08:03:28,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 08:03:28,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:28,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:28,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:28,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:28,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:28,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:28,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:03:28,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:28,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:28,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:28,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:28,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:28,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:28,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:28,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:28,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 08:03:28,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:28,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 08:03:28,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:28,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:28,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:28,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:28,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:28,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 08:03:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:28,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:28,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:28,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 08:03:28,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:28,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-13 08:03:28,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:28,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:28,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:28,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-13 08:03:28,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:28,859 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-13 08:03:28,859 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [247258525] [2020-10-13 08:03:28,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:28,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:28,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958395241] [2020-10-13 08:03:28,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:28,861 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:28,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:28,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:28,862 INFO L87 Difference]: Start difference. First operand 590 states and 772 transitions. Second operand 5 states. [2020-10-13 08:03:29,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:29,732 INFO L93 Difference]: Finished difference Result 1192 states and 1569 transitions. [2020-10-13 08:03:29,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:29,736 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 235 [2020-10-13 08:03:29,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:29,739 INFO L225 Difference]: With dead ends: 1192 [2020-10-13 08:03:29,739 INFO L226 Difference]: Without dead ends: 594 [2020-10-13 08:03:29,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:29,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-13 08:03:29,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 590. [2020-10-13 08:03:29,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-13 08:03:29,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 770 transitions. [2020-10-13 08:03:29,764 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 770 transitions. Word has length 235 [2020-10-13 08:03:29,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:29,765 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 770 transitions. [2020-10-13 08:03:29,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:29,765 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 770 transitions. [2020-10-13 08:03:29,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-13 08:03:29,769 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:29,769 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:03:29,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:03:29,769 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:29,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:29,770 INFO L82 PathProgramCache]: Analyzing trace with hash -126245354, now seen corresponding path program 1 times [2020-10-13 08:03:29,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:29,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [214084418] [2020-10-13 08:03:29,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:29,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:29,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:30,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:30,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:30,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:32,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:32,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-13 08:03:32,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:03:32,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2525 [2020-10-13 08:03:32,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:32,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:32,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 214 [2020-10-13 08:03:32,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 08:03:32,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:32,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:32,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:32,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:32,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:32,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:32,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:32,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:32,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:32,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:32,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:32,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:32,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:32,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:32,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:32,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 08:03:32,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:32,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 08:03:32,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:32,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:32,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:32,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:32,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:32,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 08:03:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:32,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:32,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:32,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-13 08:03:32,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:32,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-13 08:03:32,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:32,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:32,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:32,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-13 08:03:32,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:32,663 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-13 08:03:32,664 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [214084418] [2020-10-13 08:03:32,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:32,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 08:03:32,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620191322] [2020-10-13 08:03:32,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 08:03:32,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:32,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 08:03:32,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:32,666 INFO L87 Difference]: Start difference. First operand 590 states and 770 transitions. Second operand 6 states. [2020-10-13 08:03:33,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:33,521 INFO L93 Difference]: Finished difference Result 1190 states and 1563 transitions. [2020-10-13 08:03:33,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:33,523 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 241 [2020-10-13 08:03:33,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:33,527 INFO L225 Difference]: With dead ends: 1190 [2020-10-13 08:03:33,527 INFO L226 Difference]: Without dead ends: 594 [2020-10-13 08:03:33,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:03:33,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-13 08:03:33,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 590. [2020-10-13 08:03:33,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-13 08:03:33,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 768 transitions. [2020-10-13 08:03:33,548 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 768 transitions. Word has length 241 [2020-10-13 08:03:33,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:33,549 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 768 transitions. [2020-10-13 08:03:33,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 08:03:33,549 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 768 transitions. [2020-10-13 08:03:33,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-13 08:03:33,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:33,553 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:03:33,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:03:33,554 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:33,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:33,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1596265094, now seen corresponding path program 1 times [2020-10-13 08:03:33,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:33,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2088778758] [2020-10-13 08:03:33,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:33,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:33,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:33,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:33,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:35,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:36,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:36,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-13 08:03:36,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:03:36,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3288 [2020-10-13 08:03:36,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:36,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:36,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 216 [2020-10-13 08:03:36,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 08:03:36,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:36,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:36,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:36,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:36,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:36,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:36,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:03:36,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:36,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:36,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:36,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:36,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:36,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:36,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:36,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:36,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 08:03:36,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:36,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 08:03:36,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:36,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:36,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:36,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:36,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:36,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 08:03:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:37,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:37,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:37,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-13 08:03:37,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:37,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-13 08:03:37,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:37,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:37,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:37,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-13 08:03:37,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:37,127 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-13 08:03:37,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2088778758] [2020-10-13 08:03:37,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:37,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:37,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018055973] [2020-10-13 08:03:37,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:37,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:37,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:37,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:37,129 INFO L87 Difference]: Start difference. First operand 590 states and 768 transitions. Second operand 5 states. [2020-10-13 08:03:37,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:37,886 INFO L93 Difference]: Finished difference Result 1186 states and 1555 transitions. [2020-10-13 08:03:37,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:37,892 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 243 [2020-10-13 08:03:37,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:37,895 INFO L225 Difference]: With dead ends: 1186 [2020-10-13 08:03:37,896 INFO L226 Difference]: Without dead ends: 594 [2020-10-13 08:03:37,898 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 08:03:37,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-13 08:03:37,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 590. [2020-10-13 08:03:37,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-13 08:03:37,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 766 transitions. [2020-10-13 08:03:37,916 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 766 transitions. Word has length 243 [2020-10-13 08:03:37,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:37,916 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 766 transitions. [2020-10-13 08:03:37,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:37,917 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 766 transitions. [2020-10-13 08:03:37,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-10-13 08:03:37,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:37,921 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:03:37,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:03:37,922 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:37,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:37,922 INFO L82 PathProgramCache]: Analyzing trace with hash 232653110, now seen corresponding path program 1 times [2020-10-13 08:03:37,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:37,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1231572451] [2020-10-13 08:03:37,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:37,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:38,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:38,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:39,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:40,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:42,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:42,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-13 08:03:42,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:03:42,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 08:03:42,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:42,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:03:42,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 230 [2020-10-13 08:03:42,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 08:03:42,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:43,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:43,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:43,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:43,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:43,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:43,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:43,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:43,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:43,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:43,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:43,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:43,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:43,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:43,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:43,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 08:03:43,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:43,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 08:03:43,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:43,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:43,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:43,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:43,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:43,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 08:03:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:43,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:43,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:43,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-13 08:03:43,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:43,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-13 08:03:43,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:43,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:43,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:43,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-13 08:03:43,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:43,287 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-13 08:03:43,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1231572451] [2020-10-13 08:03:43,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:43,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:03:43,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131058397] [2020-10-13 08:03:43,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:03:43,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:43,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:03:43,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:03:43,290 INFO L87 Difference]: Start difference. First operand 590 states and 766 transitions. Second operand 8 states. [2020-10-13 08:03:44,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:44,389 INFO L93 Difference]: Finished difference Result 1056 states and 1346 transitions. [2020-10-13 08:03:44,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 08:03:44,389 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 257 [2020-10-13 08:03:44,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:44,392 INFO L225 Difference]: With dead ends: 1056 [2020-10-13 08:03:44,392 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:03:44,395 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 08:03:44,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:03:44,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:03:44,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:03:44,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:03:44,396 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 257 [2020-10-13 08:03:44,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:44,397 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:03:44,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:03:44,397 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:03:44,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:03:44,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:03:44,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:03:44,605 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 55 [2020-10-13 08:03:44,714 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 55 [2020-10-13 08:03:45,222 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 82 [2020-10-13 08:03:45,421 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2020-10-13 08:03:45,590 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2020-10-13 08:03:45,593 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:03:45,594 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 08:03:45,594 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:03:45,594 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-13 08:03:45,594 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,594 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,594 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,594 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,594 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,594 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,594 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-13 08:03:45,594 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-13 08:03:45,595 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:03:45,595 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:03:45,595 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:03:45,595 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:03:45,595 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:03:45,598 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:03:45,598 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-13 08:03:45,598 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-13 08:03:45,599 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-13 08:03:45,599 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,599 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,599 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,599 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,599 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,599 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-13 08:03:45,599 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-13 08:03:45,600 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-13 08:03:45,600 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-13 08:03:45,600 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:03:45,600 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:03:45,600 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:03:45,600 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:03:45,600 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:03:45,600 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-13 08:03:45,600 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-13 08:03:45,601 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-13 08:03:45,601 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-13 08:03:45,601 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 103) no Hoare annotation was computed. [2020-10-13 08:03:45,602 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-13 08:03:45,602 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,602 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,602 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,602 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,602 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,602 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-13 08:03:45,603 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:03:45,603 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:03:45,603 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:03:45,603 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:03:45,603 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:03:45,603 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-13 08:03:45,603 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-13 08:03:45,603 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-13 08:03:45,604 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-13 08:03:45,604 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,604 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,604 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,605 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,605 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,605 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-13 08:03:45,606 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-13 08:03:45,606 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-13 08:03:45,606 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:03:45,606 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:03:45,606 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:03:45,606 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:03:45,606 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:03:45,606 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-13 08:03:45,606 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-13 08:03:45,607 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-13 08:03:45,607 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-13 08:03:45,607 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-13 08:03:45,607 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,607 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,607 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,607 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,607 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,607 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:03:45,607 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:03:45,608 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:03:45,608 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:03:45,608 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:03:45,608 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-13 08:03:45,608 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-13 08:03:45,608 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-13 08:03:45,608 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-13 08:03:45,608 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,608 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,608 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,609 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,609 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,609 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,609 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,609 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-13 08:03:45,609 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-13 08:03:45,609 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-13 08:03:45,609 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-13 08:03:45,610 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:03:45,610 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:03:45,610 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:03:45,610 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:03:45,610 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:03:45,610 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-13 08:03:45,610 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-13 08:03:45,611 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-13 08:03:45,611 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-13 08:03:45,612 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,612 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,612 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,612 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,612 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:03:45,612 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,612 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,612 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-13 08:03:45,613 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-13 08:03:45,613 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-13 08:03:45,613 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:03:45,613 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:03:45,613 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:03:45,613 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:03:45,614 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:03:45,614 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:03:45,614 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-13 08:03:45,614 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-13 08:03:45,614 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-13 08:03:45,614 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-13 08:03:45,614 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,615 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,615 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,615 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,615 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,615 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,615 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-13 08:03:45,615 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-13 08:03:45,615 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-13 08:03:45,615 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:03:45,616 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:03:45,616 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:03:45,616 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:03:45,616 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:03:45,616 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:03:45,616 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-13 08:03:45,616 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-13 08:03:45,618 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse9 (= ~a1~0 |old(~a1~0)|)) (.cse10 (= ~a10~0 |old(~a10~0)|))) (let ((.cse3 (not (= 8 |old(~a19~0)|))) (.cse5 (not (= |old(~a10~0)| 1))) (.cse0 (and .cse9 (= ~a19~0 |old(~a19~0)|) .cse10)) (.cse6 (not (= 7 |old(~a19~0)|))) (.cse7 (not (<= |old(~a1~0)| 33))) (.cse8 (not (<= 0 (+ |old(~a1~0)| 12)))) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= 4 |old(~a10~0)|))) (.cse4 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= 221 |old(~a1~0)|)) .cse5 .cse0 .cse1 .cse6 .cse4) (or (not (<= 9 |old(~a19~0)|)) .cse0) (or .cse0 (not (= 2 |old(~a10~0)|))) (or (not (<= 331498 |old(~a1~0)|)) .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse0 (not (= 0 |old(~a10~0)|))) (or .cse5 .cse0 .cse1 .cse7 .cse6 .cse8 .cse4) (or (not (<= 6 |old(~a19~0)|)) (not (<= 3 |old(~a10~0)|)) .cse1 .cse7 (not (<= |old(~a19~0)| 6)) (and (<= 6 ~a19~0) .cse9 (<= ~a19~0 6) .cse10) .cse8 .cse4 (not (<= |old(~a10~0)| 3))) (or (not (= 6 |old(~a19~0)|)) (not (<= (+ |old(~a1~0)| 333899) 0)) .cse1 (and .cse9 (= ~a19~0 6) .cse10) .cse2 .cse4)))) [2020-10-13 08:03:45,618 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-13 08:03:45,618 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-13 08:03:45,618 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-13 08:03:45,618 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,619 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,619 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,619 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,619 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,619 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,619 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-13 08:03:45,619 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:03:45,619 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:03:45,620 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:03:45,620 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:03:45,620 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:03:45,620 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:03:45,620 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-13 08:03:45,620 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-13 08:03:45,620 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-13 08:03:45,620 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-13 08:03:45,620 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-13 08:03:45,621 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-13 08:03:45,621 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,621 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,621 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,621 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,621 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,621 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,621 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-13 08:03:45,622 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-13 08:03:45,622 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-13 08:03:45,622 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:03:45,622 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:03:45,622 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:03:45,622 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:03:45,622 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:03:45,622 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:03:45,622 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-13 08:03:45,623 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-13 08:03:45,623 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-13 08:03:45,623 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,623 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,623 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,623 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,623 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,623 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:45,624 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-13 08:03:45,624 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-13 08:03:45,624 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-13 08:03:45,624 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:03:45,624 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:03:45,624 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:03:45,624 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:03:45,624 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:03:45,624 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:03:45,625 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-13 08:03:45,625 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-13 08:03:45,625 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-13 08:03:45,625 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:03:45,625 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 9 ~a19~0) (= ~a10~0 0)) [2020-10-13 08:03:45,625 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:03:45,625 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:03:45,626 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 0 |old(~a10~0)|))) [2020-10-13 08:03:45,626 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:03:45,626 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse2 (= 7 ~a19~0)) (.cse1 (= ~a10~0 1)) (.cse0 (<= 0 (+ ~a1~0 12))) (.cse4 (<= ~a1~0 33)) (.cse6 (= ~a19~0 8)) (.cse3 (= 14 ~a4~0)) (.cse5 (= ~a12~0 0)) (.cse7 (= ~a10~0 4))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= 9 |old(~a19~0)|)) (<= 9 ~a19~0) (= ~a10~0 0) (= ~a10~0 2) (and .cse1 .cse2 .cse3 .cse5 (<= 221 ~a1~0)) (not (= 0 |old(~a10~0)|)) (and .cse6 (<= 331498 ~a1~0) .cse1 .cse3 .cse5) (and .cse0 (<= 3 ~a10~0) (<= 6 ~a19~0) .cse3 .cse4 .cse5 (<= ~a19~0 6) (<= ~a10~0 3)) (and (<= (+ ~a1~0 333899) 0) .cse3 .cse5 (= ~a19~0 6) .cse7) (and .cse6 .cse3 .cse5 .cse7))) [2020-10-13 08:03:45,626 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-13 08:03:45,626 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-13 08:03:45,626 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse2 (= 7 ~a19~0)) (.cse1 (= ~a10~0 1)) (.cse0 (<= 0 (+ ~a1~0 12))) (.cse4 (<= ~a1~0 33)) (.cse6 (= ~a19~0 8)) (.cse3 (= 14 ~a4~0)) (.cse5 (= ~a12~0 0)) (.cse7 (= ~a10~0 4))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= 9 |old(~a19~0)|)) (<= 9 ~a19~0) (= ~a10~0 0) (= ~a10~0 2) (and .cse1 .cse2 .cse3 .cse5 (<= 221 ~a1~0)) (not (= 0 |old(~a10~0)|)) (and .cse6 (<= 331498 ~a1~0) .cse1 .cse3 .cse5) (and .cse0 (<= 3 ~a10~0) (<= 6 ~a19~0) .cse3 .cse4 .cse5 (<= ~a19~0 6) (<= ~a10~0 3)) (and (<= (+ ~a1~0 333899) 0) .cse3 .cse5 (= ~a19~0 6) .cse7) (and .cse6 .cse3 .cse5 .cse7))) [2020-10-13 08:03:45,627 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:03:45,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:03:45 BoogieIcfgContainer [2020-10-13 08:03:45,671 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:03:45,673 INFO L168 Benchmark]: Toolchain (without parser) took 45791.04 ms. Allocated memory was 147.8 MB in the beginning and 899.7 MB in the end (delta: 751.8 MB). Free memory was 102.1 MB in the beginning and 567.1 MB in the end (delta: -465.0 MB). Peak memory consumption was 286.9 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:45,674 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 08:03:45,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.39 ms. Allocated memory was 147.8 MB in the beginning and 205.5 MB in the end (delta: 57.7 MB). Free memory was 101.9 MB in the beginning and 169.4 MB in the end (delta: -67.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:45,681 INFO L168 Benchmark]: Boogie Preprocessor took 114.79 ms. Allocated memory is still 205.5 MB. Free memory was 169.4 MB in the beginning and 164.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:45,686 INFO L168 Benchmark]: RCFGBuilder took 1492.00 ms. Allocated memory was 205.5 MB in the beginning and 235.9 MB in the end (delta: 30.4 MB). Free memory was 164.6 MB in the beginning and 174.3 MB in the end (delta: -9.7 MB). Peak memory consumption was 77.7 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:45,687 INFO L168 Benchmark]: TraceAbstraction took 43370.15 ms. Allocated memory was 235.9 MB in the beginning and 899.7 MB in the end (delta: 663.7 MB). Free memory was 174.3 MB in the beginning and 567.1 MB in the end (delta: -392.8 MB). Peak memory consumption was 270.9 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:45,696 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 808.39 ms. Allocated memory was 147.8 MB in the beginning and 205.5 MB in the end (delta: 57.7 MB). Free memory was 101.9 MB in the beginning and 169.4 MB in the end (delta: -67.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.79 ms. Allocated memory is still 205.5 MB. Free memory was 169.4 MB in the beginning and 164.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1492.00 ms. Allocated memory was 205.5 MB in the beginning and 235.9 MB in the end (delta: 30.4 MB). Free memory was 164.6 MB in the beginning and 174.3 MB in the end (delta: -9.7 MB). Peak memory consumption was 77.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 43370.15 ms. Allocated memory was 235.9 MB in the beginning and 899.7 MB in the end (delta: 663.7 MB). Free memory was 174.3 MB in the beginning and 567.1 MB in the end (delta: -392.8 MB). Peak memory consumption was 270.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: 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: ((((((((((((((0 <= a1 + 12 && a10 == 1) && 7 == a19) && 14 == a4) && a1 <= 33) && a12 == 0) || !(9 <= \old(a19))) || 9 <= a19) || a10 == 0) || a10 == 2) || ((((a10 == 1 && 7 == a19) && 14 == a4) && a12 == 0) && 221 <= a1)) || !(0 == \old(a10))) || ((((a19 == 8 && 331498 <= a1) && a10 == 1) && 14 == a4) && a12 == 0)) || (((((((0 <= a1 + 12 && 3 <= a10) && 6 <= a19) && 14 == a4) && a1 <= 33) && a12 == 0) && a19 <= 6) && a10 <= 3)) || ((((a1 + 333899 <= 0 && 14 == a4) && a12 == 0) && a19 == 6) && a10 == 4)) || (((a19 == 8 && 14 == a4) && a12 == 0) && a10 == 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 42.0s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 260 SDtfs, 2537 SDslu, 206 SDs, 0 SdLazy, 6801 SolverSat, 435 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 81 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=590occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 328 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 53 PreInvPairs, 77 NumberOfFragments, 569 HoareAnnotationTreeSize, 53 FomulaSimplifications, 199869 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 546 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 29.1s InterpolantComputationTime, 1923 NumberOfCodeBlocks, 1923 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1912 ConstructedInterpolants, 0 QuantifiedInterpolants, 971438 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 958/974 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...