/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 --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 22:45:58,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 22:45:58,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 22:45:58,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 22:45:58,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 22:45:58,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 22:45:58,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 22:45:58,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 22:45:58,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 22:45:58,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 22:45:58,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 22:45:58,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 22:45:58,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 22:45:58,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 22:45:58,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 22:45:58,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 22:45:58,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 22:45:58,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 22:45:58,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 22:45:58,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 22:45:58,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 22:45:58,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 22:45:58,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 22:45:58,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 22:45:58,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 22:45:58,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 22:45:58,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 22:45:58,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 22:45:58,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 22:45:58,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 22:45:58,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 22:45:58,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 22:45:58,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 22:45:58,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 22:45:58,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 22:45:58,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 22:45:58,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 22:45:58,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 22:45:58,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 22:45:58,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 22:45:58,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 22:45:58,438 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 [2020-08-18 22:45:58,460 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 22:45:58,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 22:45:58,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 22:45:58,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 22:45:58,462 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 22:45:58,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 22:45:58,463 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 22:45:58,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 22:45:58,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 22:45:58,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 22:45:58,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 22:45:58,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 22:45:58,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 22:45:58,464 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 22:45:58,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 22:45:58,465 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 22:45:58,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 22:45:58,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 22:45:58,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 22:45:58,465 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 22:45:58,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 22:45:58,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 22:45:58,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 22:45:58,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 22:45:58,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 22:45:58,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 22:45:58,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 22:45:58,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 22:45:58,467 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 22:45:58,467 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.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDEST; [2020-08-18 22:45:58,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 22:45:58,805 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 22:45:58,809 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 22:45:58,811 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 22:45:58,811 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 22:45:58,813 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label02.c [2020-08-18 22:45:58,889 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0819d2212/3873887557d942479a7e50c9ddb7eeb6/FLAG39f1fea0b [2020-08-18 22:45:59,495 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 22:45:59,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label02.c [2020-08-18 22:45:59,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0819d2212/3873887557d942479a7e50c9ddb7eeb6/FLAG39f1fea0b [2020-08-18 22:45:59,745 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0819d2212/3873887557d942479a7e50c9ddb7eeb6 [2020-08-18 22:45:59,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 22:45:59,758 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 22:45:59,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 22:45:59,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 22:45:59,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 22:45:59,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:45:59" (1/1) ... [2020-08-18 22:45:59,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d1dceb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:45:59, skipping insertion in model container [2020-08-18 22:45:59,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:45:59" (1/1) ... [2020-08-18 22:45:59,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 22:45:59,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 22:46:00,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 22:46:00,218 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 22:46:00,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 22:46:00,467 INFO L208 MainTranslator]: Completed translation [2020-08-18 22:46:00,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:46:00 WrapperNode [2020-08-18 22:46:00,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 22:46:00,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 22:46:00,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 22:46:00,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 22:46:00,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:46:00" (1/1) ... [2020-08-18 22:46:00,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:46:00" (1/1) ... [2020-08-18 22:46:00,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:46:00" (1/1) ... [2020-08-18 22:46:00,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:46:00" (1/1) ... [2020-08-18 22:46:00,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:46:00" (1/1) ... [2020-08-18 22:46:00,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:46:00" (1/1) ... [2020-08-18 22:46:00,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:46:00" (1/1) ... [2020-08-18 22:46:00,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 22:46:00,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 22:46:00,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 22:46:00,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 22:46:00,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:46:00" (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 [2020-08-18 22:46:00,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 22:46:00,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 22:46:00,637 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 22:46:00,638 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 22:46:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 22:46:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 22:46:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 22:46:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 22:46:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 22:46:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 22:46:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 22:46:01,840 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 22:46:01,840 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 22:46:01,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:46:01 BoogieIcfgContainer [2020-08-18 22:46:01,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 22:46:01,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 22:46:01,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 22:46:01,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 22:46:01,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 10:45:59" (1/3) ... [2020-08-18 22:46:01,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55412fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:46:01, skipping insertion in model container [2020-08-18 22:46:01,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:46:00" (2/3) ... [2020-08-18 22:46:01,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55412fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:46:01, skipping insertion in model container [2020-08-18 22:46:01,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:46:01" (3/3) ... [2020-08-18 22:46:01,856 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label02.c [2020-08-18 22:46:01,867 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 22:46:01,875 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 22:46:01,890 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 22:46:01,918 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 22:46:01,918 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 22:46:01,918 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 22:46:01,919 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 22:46:01,919 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 22:46:01,919 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 22:46:01,919 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 22:46:01,920 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 22:46:01,944 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-18 22:46:01,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-08-18 22:46:01,957 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:46:01,958 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 22:46:01,959 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:46:01,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:46:01,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1049075015, now seen corresponding path program 1 times [2020-08-18 22:46:01,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:46:01,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1430645594] [2020-08-18 22:46:01,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:46:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:02,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:46:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:02,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 22:46:02,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1430645594] [2020-08-18 22:46:02,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:46:02,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 22:46:02,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115962136] [2020-08-18 22:46:02,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 22:46:02,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:46:02,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 22:46:02,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 22:46:02,577 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-18 22:46:05,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:46:05,014 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2020-08-18 22:46:05,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 22:46:05,015 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2020-08-18 22:46:05,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:46:05,035 INFO L225 Difference]: With dead ends: 813 [2020-08-18 22:46:05,035 INFO L226 Difference]: Without dead ends: 488 [2020-08-18 22:46:05,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 22:46:05,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-08-18 22:46:05,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2020-08-18 22:46:05,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-08-18 22:46:05,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2020-08-18 22:46:05,139 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 99 [2020-08-18 22:46:05,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:46:05,140 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2020-08-18 22:46:05,140 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 22:46:05,140 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2020-08-18 22:46:05,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-08-18 22:46:05,148 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:46:05,148 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-18 22:46:05,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 22:46:05,149 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:46:05,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:46:05,149 INFO L82 PathProgramCache]: Analyzing trace with hash 30248894, now seen corresponding path program 1 times [2020-08-18 22:46:05,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:46:05,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1560495224] [2020-08-18 22:46:05,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:46:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:05,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:46:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:05,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 22:46:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:05,385 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 22:46:05,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1560495224] [2020-08-18 22:46:05,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 22:46:05,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 22:46:05,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034608471] [2020-08-18 22:46:05,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 22:46:05,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:46:05,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 22:46:05,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 22:46:05,390 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 5 states. [2020-08-18 22:46:06,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:46:06,792 INFO L93 Difference]: Finished difference Result 1421 states and 2094 transitions. [2020-08-18 22:46:06,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 22:46:06,796 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-08-18 22:46:06,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:46:06,809 INFO L225 Difference]: With dead ends: 1421 [2020-08-18 22:46:06,809 INFO L226 Difference]: Without dead ends: 946 [2020-08-18 22:46:06,812 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 [2020-08-18 22:46:06,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2020-08-18 22:46:06,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 926. [2020-08-18 22:46:06,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2020-08-18 22:46:06,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1287 transitions. [2020-08-18 22:46:06,883 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1287 transitions. Word has length 107 [2020-08-18 22:46:06,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:46:06,884 INFO L479 AbstractCegarLoop]: Abstraction has 926 states and 1287 transitions. [2020-08-18 22:46:06,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 22:46:06,884 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1287 transitions. [2020-08-18 22:46:06,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-08-18 22:46:06,897 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:46:06,897 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-18 22:46:06,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 22:46:06,898 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:46:06,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:46:06,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1604675466, now seen corresponding path program 1 times [2020-08-18 22:46:06,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:46:06,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [68353469] [2020-08-18 22:46:06,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:46:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:07,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:46:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:07,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 22:46:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:07,113 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 22:46:07,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [68353469] [2020-08-18 22:46:07,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 22:46:07,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 22:46:07,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750730777] [2020-08-18 22:46:07,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 22:46:07,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:46:07,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 22:46:07,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 22:46:07,117 INFO L87 Difference]: Start difference. First operand 926 states and 1287 transitions. Second operand 5 states. [2020-08-18 22:46:08,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:46:08,414 INFO L93 Difference]: Finished difference Result 2740 states and 3967 transitions. [2020-08-18 22:46:08,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 22:46:08,416 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2020-08-18 22:46:08,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:46:08,431 INFO L225 Difference]: With dead ends: 2740 [2020-08-18 22:46:08,432 INFO L226 Difference]: Without dead ends: 1820 [2020-08-18 22:46:08,435 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 [2020-08-18 22:46:08,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2020-08-18 22:46:08,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1802. [2020-08-18 22:46:08,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1802 states. [2020-08-18 22:46:08,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1802 states and 2373 transitions. [2020-08-18 22:46:08,583 INFO L78 Accepts]: Start accepts. Automaton has 1802 states and 2373 transitions. Word has length 113 [2020-08-18 22:46:08,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:46:08,584 INFO L479 AbstractCegarLoop]: Abstraction has 1802 states and 2373 transitions. [2020-08-18 22:46:08,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 22:46:08,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2373 transitions. [2020-08-18 22:46:08,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-18 22:46:08,594 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:46:08,594 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 22:46:08,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 22:46:08,595 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:46:08,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:46:08,596 INFO L82 PathProgramCache]: Analyzing trace with hash 183684818, now seen corresponding path program 1 times [2020-08-18 22:46:08,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:46:08,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [254217494] [2020-08-18 22:46:08,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:46:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:08,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:46:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:08,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 22:46:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:08,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 22:46:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:08,841 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-18 22:46:08,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [254217494] [2020-08-18 22:46:08,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 22:46:08,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-18 22:46:08,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766553680] [2020-08-18 22:46:08,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 22:46:08,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:46:08,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 22:46:08,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-08-18 22:46:08,844 INFO L87 Difference]: Start difference. First operand 1802 states and 2373 transitions. Second operand 9 states. [2020-08-18 22:46:10,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:46:10,154 INFO L93 Difference]: Finished difference Result 4067 states and 5619 transitions. [2020-08-18 22:46:10,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 22:46:10,155 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 136 [2020-08-18 22:46:10,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:46:10,172 INFO L225 Difference]: With dead ends: 4067 [2020-08-18 22:46:10,172 INFO L226 Difference]: Without dead ends: 2271 [2020-08-18 22:46:10,179 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-08-18 22:46:10,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2271 states. [2020-08-18 22:46:10,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2271 to 1932. [2020-08-18 22:46:10,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1932 states. [2020-08-18 22:46:10,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1932 states and 2544 transitions. [2020-08-18 22:46:10,274 INFO L78 Accepts]: Start accepts. Automaton has 1932 states and 2544 transitions. Word has length 136 [2020-08-18 22:46:10,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:46:10,275 INFO L479 AbstractCegarLoop]: Abstraction has 1932 states and 2544 transitions. [2020-08-18 22:46:10,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 22:46:10,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 2544 transitions. [2020-08-18 22:46:10,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-08-18 22:46:10,284 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:46:10,284 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-18 22:46:10,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 22:46:10,285 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:46:10,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:46:10,286 INFO L82 PathProgramCache]: Analyzing trace with hash -799528492, now seen corresponding path program 1 times [2020-08-18 22:46:10,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:46:10,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1940279577] [2020-08-18 22:46:10,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:46:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:10,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:46:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:10,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 22:46:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:10,557 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 61 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 22:46:10,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1940279577] [2020-08-18 22:46:10,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 22:46:10,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 22:46:10,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499307150] [2020-08-18 22:46:10,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 22:46:10,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:46:10,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 22:46:10,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-18 22:46:10,561 INFO L87 Difference]: Start difference. First operand 1932 states and 2544 transitions. Second operand 8 states. [2020-08-18 22:46:12,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:46:12,599 INFO L93 Difference]: Finished difference Result 5634 states and 7678 transitions. [2020-08-18 22:46:12,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 22:46:12,600 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 169 [2020-08-18 22:46:12,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:46:12,601 INFO L225 Difference]: With dead ends: 5634 [2020-08-18 22:46:12,601 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 22:46:12,614 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-08-18 22:46:12,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 22:46:12,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 22:46:12,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 22:46:12,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 22:46:12,615 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2020-08-18 22:46:12,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:46:12,616 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 22:46:12,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 22:46:12,616 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 22:46:12,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 22:46:12,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 22:46:12,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 22:46:12,971 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 39 [2020-08-18 22:46:13,097 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 39 [2020-08-18 22:46:13,592 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 44 [2020-08-18 22:46:13,824 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2020-08-18 22:46:13,829 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 22:46:13,829 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-08-18 22:46:13,829 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 22:46:13,830 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,830 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,830 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,830 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,830 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,831 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-18 22:46:13,831 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-18 22:46:13,831 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-18 22:46:13,831 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-18 22:46:13,831 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-18 22:46:13,831 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-18 22:46:13,832 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-18 22:46:13,832 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-18 22:46:13,832 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-18 22:46:13,832 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-18 22:46:13,832 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-18 22:46:13,833 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-18 22:46:13,833 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-18 22:46:13,833 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,833 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,833 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,833 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,834 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-18 22:46:13,834 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,834 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-18 22:46:13,834 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-18 22:46:13,834 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-18 22:46:13,834 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-18 22:46:13,835 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-18 22:46:13,835 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-18 22:46:13,835 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-18 22:46:13,835 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-18 22:46:13,835 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-18 22:46:13,835 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-18 22:46:13,836 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-18 22:46:13,836 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-18 22:46:13,836 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-18 22:46:13,836 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-18 22:46:13,836 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-18 22:46:13,836 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,837 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,837 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,837 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,837 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,837 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 451) no Hoare annotation was computed. [2020-08-18 22:46:13,838 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-18 22:46:13,838 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-18 22:46:13,838 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-18 22:46:13,838 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-18 22:46:13,838 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-18 22:46:13,838 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-18 22:46:13,839 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-18 22:46:13,839 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-18 22:46:13,839 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-18 22:46:13,839 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-18 22:46:13,839 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-18 22:46:13,839 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,840 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,840 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,840 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,840 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,840 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-18 22:46:13,840 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-18 22:46:13,841 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-18 22:46:13,841 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-18 22:46:13,841 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-18 22:46:13,841 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-18 22:46:13,841 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-18 22:46:13,841 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-18 22:46:13,841 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-18 22:46:13,842 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-18 22:46:13,842 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-18 22:46:13,842 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-18 22:46:13,842 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-18 22:46:13,842 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,843 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,843 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,843 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,843 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,843 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-18 22:46:13,843 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-18 22:46:13,844 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-18 22:46:13,844 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-18 22:46:13,844 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-18 22:46:13,844 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-18 22:46:13,844 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-18 22:46:13,844 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-18 22:46:13,844 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-18 22:46:13,844 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-18 22:46:13,845 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-18 22:46:13,845 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-18 22:46:13,845 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-18 22:46:13,845 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-18 22:46:13,845 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-18 22:46:13,845 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-18 22:46:13,845 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,846 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,846 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,846 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,846 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-18 22:46:13,846 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,846 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-18 22:46:13,846 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,846 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-18 22:46:13,847 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-18 22:46:13,847 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-18 22:46:13,847 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,847 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,847 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-18 22:46:13,847 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-18 22:46:13,847 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-18 22:46:13,848 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-18 22:46:13,848 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-18 22:46:13,848 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-18 22:46:13,848 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-18 22:46:13,848 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-18 22:46:13,848 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-18 22:46:13,848 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-18 22:46:13,848 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-18 22:46:13,849 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,849 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,849 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,849 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,849 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,849 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,849 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-18 22:46:13,849 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-18 22:46:13,850 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-18 22:46:13,850 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-18 22:46:13,850 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-18 22:46:13,850 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-18 22:46:13,850 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-18 22:46:13,850 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-18 22:46:13,850 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-18 22:46:13,851 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-18 22:46:13,851 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-18 22:46:13,851 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,851 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,851 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,851 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,851 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,852 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,852 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-18 22:46:13,852 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-18 22:46:13,852 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-18 22:46:13,852 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-18 22:46:13,852 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-18 22:46:13,852 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-18 22:46:13,852 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-18 22:46:13,853 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-18 22:46:13,853 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-18 22:46:13,853 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-18 22:46:13,853 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-18 22:46:13,853 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-18 22:46:13,853 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-18 22:46:13,853 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-18 22:46:13,854 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,854 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,854 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,854 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse13 (= ~a17~0 8)) (.cse8 (= ~a28~0 |old(~a28~0)|)) (.cse9 (= ~a17~0 |old(~a17~0)|)) (.cse10 (= ~a11~0 |old(~a11~0)|)) (.cse14 (= ~a25~0 |old(~a25~0)|)) (.cse12 (= ~a19~0 |old(~a19~0)|))) (let ((.cse3 (and .cse8 .cse9 .cse10 .cse14 .cse12)) (.cse1 (= |old(~a19~0)| 1)) (.cse2 (not (<= |old(~a17~0)| 8))) (.cse0 (= 8 |old(~a28~0)|)) (.cse4 (and .cse8 .cse10 .cse14 .cse13 .cse12)) (.cse7 (not (= |old(~a25~0)| 1))) (.cse11 (= ~a25~0 1)) (.cse5 (not (= 8 |old(~a17~0)|))) (.cse6 (= |old(~a11~0)| 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse3 (not (<= 10 |old(~a28~0)|))) (or .cse1 .cse4 .cse5 .cse6) (or .cse0 .cse7 .cse2 (and .cse8 .cse9 .cse10 .cse11 .cse12)) (or .cse0 .cse4 .cse5) (or .cse7 (and .cse8 .cse10 .cse13 .cse11 .cse12) .cse5 .cse6)))) [2020-08-18 22:46:13,854 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,855 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,855 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,855 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-18 22:46:13,855 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-18 22:46:13,855 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-18 22:46:13,855 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-18 22:46:13,855 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-18 22:46:13,856 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-18 22:46:13,856 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-18 22:46:13,856 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-18 22:46:13,856 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-18 22:46:13,856 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-18 22:46:13,856 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-18 22:46:13,856 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-18 22:46:13,856 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-18 22:46:13,857 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,857 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,857 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,857 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,857 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,857 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,857 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-18 22:46:13,858 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-18 22:46:13,858 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-18 22:46:13,858 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-18 22:46:13,858 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-18 22:46:13,858 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-18 22:46:13,858 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-18 22:46:13,858 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-18 22:46:13,859 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-18 22:46:13,859 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-18 22:46:13,859 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-18 22:46:13,859 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-18 22:46:13,859 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-18 22:46:13,859 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-18 22:46:13,859 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-18 22:46:13,859 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-18 22:46:13,860 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,860 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,860 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,860 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,860 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 22:46:13,860 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-18 22:46:13,860 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-18 22:46:13,860 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-18 22:46:13,861 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-18 22:46:13,861 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-18 22:46:13,861 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-18 22:46:13,861 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-18 22:46:13,861 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-18 22:46:13,861 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-18 22:46:13,861 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-18 22:46:13,862 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-18 22:46:13,862 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-18 22:46:13,862 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-18 22:46:13,862 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-18 22:46:13,862 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-18 22:46:13,862 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-18 22:46:13,862 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-18 22:46:13,863 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-18 22:46:13,863 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-18 22:46:13,863 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 22:46:13,863 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (not (= ~a28~0 8)) (= ~a17~0 8)) [2020-08-18 22:46:13,863 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 22:46:13,863 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 22:46:13,864 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (= 8 |old(~a28~0)|) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a11~0)| 0))) [2020-08-18 22:46:13,864 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse3 (= ~a25~0 1)) (.cse2 (= ~a17~0 8)) (.cse4 (not (= ~a11~0 1))) (.cse1 (not (= ~a28~0 8))) (.cse5 (not (= ~a19~0 1))) (.cse0 (<= ~a17~0 8))) (or (and (<= 10 ~a28~0) .cse0) (= 8 |old(~a28~0)|) (and .cse1 .cse2) (not (= 8 |old(~a17~0)|)) (and .cse2 .cse3 .cse4) (not (<= |old(~a11~0)| 0)) (and .cse1 .cse3 .cse0) (and .cse2 .cse5 .cse4) (and .cse1 .cse5 .cse0))) [2020-08-18 22:46:13,864 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-18 22:46:13,864 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-18 22:46:13,864 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse3 (= ~a25~0 1)) (.cse2 (= ~a17~0 8)) (.cse4 (not (= ~a11~0 1))) (.cse1 (not (= ~a28~0 8))) (.cse5 (not (= ~a19~0 1))) (.cse0 (<= ~a17~0 8))) (or (and (<= 10 ~a28~0) .cse0) (= 8 |old(~a28~0)|) (and .cse1 .cse2) (not (= 8 |old(~a17~0)|)) (and .cse2 .cse3 .cse4) (not (<= |old(~a11~0)| 0)) (and .cse1 .cse3 .cse0) (and .cse2 .cse5 .cse4) (and .cse1 .cse5 .cse0))) [2020-08-18 22:46:13,865 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-18 22:46:13,865 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-18 22:46:13,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 10:46:13 BoogieIcfgContainer [2020-08-18 22:46:13,886 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 22:46:13,888 INFO L168 Benchmark]: Toolchain (without parser) took 14130.26 ms. Allocated memory was 142.6 MB in the beginning and 411.0 MB in the end (delta: 268.4 MB). Free memory was 99.7 MB in the beginning and 109.3 MB in the end (delta: -9.6 MB). Peak memory consumption was 258.8 MB. Max. memory is 7.1 GB. [2020-08-18 22:46:13,889 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 22:46:13,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.89 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 99.5 MB in the beginning and 171.2 MB in the end (delta: -71.8 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. [2020-08-18 22:46:13,891 INFO L168 Benchmark]: Boogie Preprocessor took 110.81 ms. Allocated memory is still 204.5 MB. Free memory was 171.2 MB in the beginning and 166.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-08-18 22:46:13,892 INFO L168 Benchmark]: RCFGBuilder took 1266.87 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 166.4 MB in the beginning and 181.2 MB in the end (delta: -14.8 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2020-08-18 22:46:13,893 INFO L168 Benchmark]: TraceAbstraction took 12037.41 ms. Allocated memory was 237.0 MB in the beginning and 411.0 MB in the end (delta: 174.1 MB). Free memory was 181.2 MB in the beginning and 109.3 MB in the end (delta: 71.9 MB). Peak memory consumption was 246.0 MB. Max. memory is 7.1 GB. [2020-08-18 22:46:13,897 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 709.89 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 99.5 MB in the beginning and 171.2 MB in the end (delta: -71.8 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.81 ms. Allocated memory is still 204.5 MB. Free memory was 171.2 MB in the beginning and 166.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1266.87 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 166.4 MB in the beginning and 181.2 MB in the end (delta: -14.8 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12037.41 ms. Allocated memory was 237.0 MB in the beginning and 411.0 MB in the end (delta: 174.1 MB). Free memory was 181.2 MB in the beginning and 109.3 MB in the end (delta: 71.9 MB). Peak memory consumption was 246.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 451]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((10 <= a28 && a17 <= 8) || 8 == \old(a28)) || (!(a28 == 8) && a17 == 8)) || !(8 == \old(a17))) || ((a17 == 8 && a25 == 1) && !(a11 == 1))) || !(\old(a11) <= 0)) || ((!(a28 == 8) && a25 == 1) && a17 <= 8)) || ((a17 == 8 && !(a19 == 1)) && !(a11 == 1))) || ((!(a28 == 8) && !(a19 == 1)) && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.7s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 194 SDtfs, 3255 SDslu, 179 SDs, 0 SdLazy, 4230 SolverSat, 1177 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1932occurred in iteration=4, 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, 5 MinimizatonAttempts, 384 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 71 PreInvPairs, 131 NumberOfFragments, 398 HoareAnnotationTreeSize, 71 FomulaSimplifications, 26322 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2121 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 624 NumberOfCodeBlocks, 624 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 619 ConstructedInterpolants, 0 QuantifiedInterpolants, 263607 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 112/120 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...