/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 06:03:47,429 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-19 06:03:47,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 06:03:47,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 06:03:47,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 06:03:47,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 06:03:47,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 06:03:47,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 06:03:47,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 06:03:47,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 06:03:47,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 06:03:47,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 06:03:47,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 06:03:47,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 06:03:47,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-19 06:03:47,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 06:03:47,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 06:03:47,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 06:03:47,515 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 [2020-08-19 06:03:47,537 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 06:03:47,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 06:03:47,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 06:03:47,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 06:03:47,539 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 06:03:47,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 06:03:47,540 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 06:03:47,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 06:03:47,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 06:03:47,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 06:03:47,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 06:03:47,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 06:03:47,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 06:03:47,541 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 06:03:47,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 06:03:47,541 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 06:03:47,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 06:03:47,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 06:03:47,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 06:03:47,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 06:03:47,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 06:03:47,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 06:03:47,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 06:03:47,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 06:03:47,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 06:03:47,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 06:03:47,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 06:03:47,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 06:03:47,544 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 06:03:47,544 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=SMALLESTAMONGWIDE;tolerance=0.4; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4; [2020-08-19 06:03:47,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 06:03:47,829 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 06:03:47,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 06:03:47,834 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 06:03:47,835 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 06:03:47,836 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label55.c [2020-08-19 06:03:47,908 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d35d30fd5/93864abbe2ac4d47b9acabb5b54b1c4a/FLAG9f7d96744 [2020-08-19 06:03:48,498 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 06:03:48,499 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label55.c [2020-08-19 06:03:48,523 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d35d30fd5/93864abbe2ac4d47b9acabb5b54b1c4a/FLAG9f7d96744 [2020-08-19 06:03:48,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d35d30fd5/93864abbe2ac4d47b9acabb5b54b1c4a [2020-08-19 06:03:48,769 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 06:03:48,771 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 06:03:48,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 06:03:48,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 06:03:48,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 06:03:48,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 06:03:48" (1/1) ... [2020-08-19 06:03:48,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@272573d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:03:48, skipping insertion in model container [2020-08-19 06:03:48,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 06:03:48" (1/1) ... [2020-08-19 06:03:48,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 06:03:48,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 06:03:49,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 06:03:49,407 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 06:03:49,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 06:03:49,537 INFO L208 MainTranslator]: Completed translation [2020-08-19 06:03:49,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:03:49 WrapperNode [2020-08-19 06:03:49,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 06:03:49,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 06:03:49,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 06:03:49,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 06:03:49,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:03:49" (1/1) ... [2020-08-19 06:03:49,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:03:49" (1/1) ... [2020-08-19 06:03:49,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:03:49" (1/1) ... [2020-08-19 06:03:49,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:03:49" (1/1) ... [2020-08-19 06:03:49,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:03:49" (1/1) ... [2020-08-19 06:03:49,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:03:49" (1/1) ... [2020-08-19 06:03:49,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:03:49" (1/1) ... [2020-08-19 06:03:49,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 06:03:49,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 06:03:49,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 06:03:49,651 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 06:03:49,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:03:49" (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 [2020-08-19 06:03:49,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 06:03:49,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 06:03:49,720 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-19 06:03:49,720 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 06:03:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-19 06:03:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 06:03:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 06:03:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-19 06:03:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 06:03:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 06:03:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 06:03:50,910 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 06:03:50,911 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-19 06:03:50,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 06:03:50 BoogieIcfgContainer [2020-08-19 06:03:50,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 06:03:50,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 06:03:50,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 06:03:50,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 06:03:50,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 06:03:48" (1/3) ... [2020-08-19 06:03:50,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce06186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 06:03:50, skipping insertion in model container [2020-08-19 06:03:50,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:03:49" (2/3) ... [2020-08-19 06:03:50,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce06186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 06:03:50, skipping insertion in model container [2020-08-19 06:03:50,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 06:03:50" (3/3) ... [2020-08-19 06:03:50,928 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label55.c [2020-08-19 06:03:50,940 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 06:03:50,948 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 06:03:50,963 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 06:03:50,990 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 06:03:50,991 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 06:03:50,991 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 06:03:50,991 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 06:03:50,991 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 06:03:50,991 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 06:03:50,991 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 06:03:50,992 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 06:03:51,015 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-19 06:03:51,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-08-19 06:03:51,038 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:03:51,040 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 06:03:51,040 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:03:51,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:03:51,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1666327721, now seen corresponding path program 1 times [2020-08-19 06:03:51,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:03:51,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1533404848] [2020-08-19 06:03:51,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:03:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:03:51,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:03:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:03:51,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 06:03:51,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1533404848] [2020-08-19 06:03:51,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 06:03:51,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-19 06:03:51,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980775398] [2020-08-19 06:03:51,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 06:03:51,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:03:51,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 06:03:51,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 06:03:51,682 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-19 06:03:54,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:03:54,158 INFO L93 Difference]: Finished difference Result 785 states and 1380 transitions. [2020-08-19 06:03:54,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 06:03:54,160 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2020-08-19 06:03:54,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:03:54,180 INFO L225 Difference]: With dead ends: 785 [2020-08-19 06:03:54,180 INFO L226 Difference]: Without dead ends: 481 [2020-08-19 06:03:54,189 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 [2020-08-19 06:03:54,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-08-19 06:03:54,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 472. [2020-08-19 06:03:54,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2020-08-19 06:03:54,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 643 transitions. [2020-08-19 06:03:54,282 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 643 transitions. Word has length 111 [2020-08-19 06:03:54,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:03:54,283 INFO L479 AbstractCegarLoop]: Abstraction has 472 states and 643 transitions. [2020-08-19 06:03:54,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 06:03:54,283 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 643 transitions. [2020-08-19 06:03:54,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-08-19 06:03:54,289 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:03:54,289 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 06:03:54,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 06:03:54,290 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:03:54,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:03:54,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1096762264, now seen corresponding path program 1 times [2020-08-19 06:03:54,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:03:54,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1805931573] [2020-08-19 06:03:54,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:03:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:03:54,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:03:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:03:54,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:03:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:03:54,531 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 06:03:54,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1805931573] [2020-08-19 06:03:54,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:03:54,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-19 06:03:54,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833217520] [2020-08-19 06:03:54,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 06:03:54,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:03:54,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 06:03:54,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 06:03:54,536 INFO L87 Difference]: Start difference. First operand 472 states and 643 transitions. Second operand 5 states. [2020-08-19 06:03:55,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:03:55,771 INFO L93 Difference]: Finished difference Result 1381 states and 1928 transitions. [2020-08-19 06:03:55,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 06:03:55,774 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-08-19 06:03:55,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:03:55,782 INFO L225 Difference]: With dead ends: 1381 [2020-08-19 06:03:55,782 INFO L226 Difference]: Without dead ends: 915 [2020-08-19 06:03:55,785 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 [2020-08-19 06:03:55,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2020-08-19 06:03:55,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 911. [2020-08-19 06:03:55,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 911 states. [2020-08-19 06:03:55,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1212 transitions. [2020-08-19 06:03:55,844 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1212 transitions. Word has length 120 [2020-08-19 06:03:55,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:03:55,845 INFO L479 AbstractCegarLoop]: Abstraction has 911 states and 1212 transitions. [2020-08-19 06:03:55,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 06:03:55,845 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1212 transitions. [2020-08-19 06:03:55,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-08-19 06:03:55,852 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:03:55,852 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2020-08-19 06:03:55,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 06:03:55,853 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:03:55,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:03:55,853 INFO L82 PathProgramCache]: Analyzing trace with hash -948381632, now seen corresponding path program 1 times [2020-08-19 06:03:55,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:03:55,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [66083882] [2020-08-19 06:03:55,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:03:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:03:55,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:03:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:03:56,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:03:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:03:56,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 06:03:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:03:56,135 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-19 06:03:56,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [66083882] [2020-08-19 06:03:56,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:03:56,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-19 06:03:56,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050382496] [2020-08-19 06:03:56,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 06:03:56,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:03:56,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 06:03:56,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-19 06:03:56,150 INFO L87 Difference]: Start difference. First operand 911 states and 1212 transitions. Second operand 8 states. [2020-08-19 06:03:57,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:03:57,785 INFO L93 Difference]: Finished difference Result 2135 states and 2928 transitions. [2020-08-19 06:03:57,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 06:03:57,786 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-08-19 06:03:57,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:03:57,797 INFO L225 Difference]: With dead ends: 2135 [2020-08-19 06:03:57,797 INFO L226 Difference]: Without dead ends: 1230 [2020-08-19 06:03:57,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-08-19 06:03:57,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2020-08-19 06:03:57,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1218. [2020-08-19 06:03:57,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2020-08-19 06:03:57,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1625 transitions. [2020-08-19 06:03:57,863 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1625 transitions. Word has length 142 [2020-08-19 06:03:57,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:03:57,863 INFO L479 AbstractCegarLoop]: Abstraction has 1218 states and 1625 transitions. [2020-08-19 06:03:57,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 06:03:57,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1625 transitions. [2020-08-19 06:03:57,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-08-19 06:03:57,869 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:03:57,869 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 06:03:57,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 06:03:57,869 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:03:57,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:03:57,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1680362696, now seen corresponding path program 1 times [2020-08-19 06:03:57,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:03:57,871 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [622130968] [2020-08-19 06:03:57,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:03:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:03:58,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:03:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:03:58,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:03:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:03:58,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-19 06:03:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:03:58,093 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-19 06:03:58,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [622130968] [2020-08-19 06:03:58,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:03:58,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 06:03:58,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151070115] [2020-08-19 06:03:58,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 06:03:58,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:03:58,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 06:03:58,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-19 06:03:58,096 INFO L87 Difference]: Start difference. First operand 1218 states and 1625 transitions. Second operand 7 states. [2020-08-19 06:04:00,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:04:00,628 INFO L93 Difference]: Finished difference Result 4050 states and 5470 transitions. [2020-08-19 06:04:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-19 06:04:00,628 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 146 [2020-08-19 06:04:00,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:04:00,639 INFO L225 Difference]: With dead ends: 4050 [2020-08-19 06:04:00,639 INFO L226 Difference]: Without dead ends: 1952 [2020-08-19 06:04:00,645 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-08-19 06:04:00,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1952 states. [2020-08-19 06:04:00,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1952 to 1656. [2020-08-19 06:04:00,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1656 states. [2020-08-19 06:04:00,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 2077 transitions. [2020-08-19 06:04:00,701 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 2077 transitions. Word has length 146 [2020-08-19 06:04:00,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:04:00,702 INFO L479 AbstractCegarLoop]: Abstraction has 1656 states and 2077 transitions. [2020-08-19 06:04:00,702 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 06:04:00,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2077 transitions. [2020-08-19 06:04:00,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-08-19 06:04:00,708 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:04:00,709 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 06:04:00,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 06:04:00,709 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:04:00,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:04:00,710 INFO L82 PathProgramCache]: Analyzing trace with hash 63334714, now seen corresponding path program 1 times [2020-08-19 06:04:00,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:04:00,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [140545573] [2020-08-19 06:04:00,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:04:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:04:00,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:04:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:04:00,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:04:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:04:00,930 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 06:04:00,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [140545573] [2020-08-19 06:04:00,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 06:04:00,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-19 06:04:00,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382750698] [2020-08-19 06:04:00,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 06:04:00,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:04:00,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 06:04:00,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-19 06:04:00,960 INFO L87 Difference]: Start difference. First operand 1656 states and 2077 transitions. Second operand 8 states. [2020-08-19 06:04:03,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:04:03,175 INFO L93 Difference]: Finished difference Result 5260 states and 6877 transitions. [2020-08-19 06:04:03,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-19 06:04:03,176 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2020-08-19 06:04:03,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:04:03,177 INFO L225 Difference]: With dead ends: 5260 [2020-08-19 06:04:03,177 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 06:04:03,189 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-19 06:04:03,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 06:04:03,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 06:04:03,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 06:04:03,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 06:04:03,190 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2020-08-19 06:04:03,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:04:03,191 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 06:04:03,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 06:04:03,192 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 06:04:03,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 06:04:03,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 06:04:03,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 06:04:04,334 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 40 [2020-08-19 06:04:04,589 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-08-19 06:04:04,816 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-08-19 06:04:04,820 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 06:04:04,821 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)|)) [2020-08-19 06:04:04,821 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 06:04:04,822 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,822 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,822 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,822 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,822 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,822 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-19 06:04:04,823 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-19 06:04:04,823 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-19 06:04:04,823 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-19 06:04:04,823 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-19 06:04:04,823 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-19 06:04:04,823 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-19 06:04:04,823 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-19 06:04:04,823 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-19 06:04:04,824 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-19 06:04:04,824 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-19 06:04:04,824 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-19 06:04:04,824 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-19 06:04:04,824 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,824 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,824 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,824 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,825 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-19 06:04:04,825 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,825 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-19 06:04:04,825 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-19 06:04:04,825 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-19 06:04:04,825 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-19 06:04:04,825 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-19 06:04:04,826 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-19 06:04:04,826 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-19 06:04:04,826 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-19 06:04:04,826 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-19 06:04:04,826 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-19 06:04:04,826 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-19 06:04:04,826 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-19 06:04:04,826 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-19 06:04:04,827 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-19 06:04:04,827 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-19 06:04:04,827 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,827 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,827 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,827 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,827 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,827 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 487) no Hoare annotation was computed. [2020-08-19 06:04:04,828 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-19 06:04:04,828 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-19 06:04:04,828 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-19 06:04:04,828 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-19 06:04:04,828 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-19 06:04:04,828 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-19 06:04:04,828 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-19 06:04:04,829 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-19 06:04:04,829 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-19 06:04:04,829 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-19 06:04:04,829 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-19 06:04:04,829 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,829 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,829 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,830 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,830 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,830 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-19 06:04:04,830 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-19 06:04:04,830 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-19 06:04:04,830 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-19 06:04:04,830 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-19 06:04:04,830 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-19 06:04:04,830 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-19 06:04:04,831 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-19 06:04:04,831 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-19 06:04:04,831 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-19 06:04:04,831 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-19 06:04:04,831 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-19 06:04:04,831 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-19 06:04:04,831 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,832 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,832 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,832 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,832 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,832 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-19 06:04:04,832 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-19 06:04:04,832 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-19 06:04:04,832 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-19 06:04:04,833 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-19 06:04:04,833 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-19 06:04:04,833 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-19 06:04:04,833 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-19 06:04:04,833 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-19 06:04:04,833 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-19 06:04:04,833 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-19 06:04:04,833 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-19 06:04:04,834 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-19 06:04:04,834 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-19 06:04:04,834 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-19 06:04:04,834 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-19 06:04:04,834 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,834 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,834 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,835 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,835 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-19 06:04:04,835 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,835 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-19 06:04:04,835 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,835 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-19 06:04:04,836 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-19 06:04:04,836 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-19 06:04:04,836 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,836 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,836 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-19 06:04:04,836 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-19 06:04:04,836 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-19 06:04:04,836 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-19 06:04:04,837 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-19 06:04:04,837 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-19 06:04:04,837 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-19 06:04:04,837 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-19 06:04:04,837 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-19 06:04:04,837 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-19 06:04:04,837 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-19 06:04:04,838 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,838 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,838 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,838 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,838 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,838 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,838 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-19 06:04:04,838 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-19 06:04:04,839 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-19 06:04:04,839 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-19 06:04:04,839 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-19 06:04:04,839 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-19 06:04:04,839 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-19 06:04:04,839 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-19 06:04:04,839 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-19 06:04:04,840 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-19 06:04:04,840 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-19 06:04:04,840 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,840 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,840 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,840 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,840 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,840 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,841 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-19 06:04:04,841 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-19 06:04:04,841 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-19 06:04:04,841 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-19 06:04:04,841 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-19 06:04:04,841 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-19 06:04:04,841 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-19 06:04:04,841 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-19 06:04:04,842 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-19 06:04:04,842 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-19 06:04:04,842 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-19 06:04:04,842 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-19 06:04:04,842 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-19 06:04:04,842 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-19 06:04:04,842 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,843 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,843 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,843 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse3 (= |old(~a11~0)| 1)) (.cse6 (not (<= |old(~a17~0)| 7))) (.cse4 (not (= |old(~a19~0)| 1))) (.cse0 (not (<= |old(~a28~0)| 10))) (.cse1 (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|))) (.cse2 (= 10 |old(~a28~0)|)) (.cse5 (= |old(~a17~0)| |old(~a28~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse3 .cse5) (or .cse4 .cse1 .cse6) (or .cse0 .cse1 .cse3 .cse5) (or .cse0 .cse1 .cse6) (or .cse0 .cse4 .cse1 .cse5) (or .cse1 (not (<= |old(~a11~0)| 0)) .cse5) (or .cse0 .cse1 .cse2 .cse5))) [2020-08-19 06:04:04,843 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,843 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,843 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,844 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-19 06:04:04,844 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-19 06:04:04,844 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-19 06:04:04,844 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-19 06:04:04,844 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-19 06:04:04,844 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-19 06:04:04,844 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-19 06:04:04,845 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-19 06:04:04,845 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-19 06:04:04,845 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-19 06:04:04,845 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-19 06:04:04,845 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-19 06:04:04,845 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-19 06:04:04,845 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,845 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,846 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,846 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,846 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,846 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,846 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-19 06:04:04,846 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-19 06:04:04,846 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-19 06:04:04,846 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-19 06:04:04,846 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-19 06:04:04,847 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-19 06:04:04,847 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-19 06:04:04,847 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-19 06:04:04,847 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-19 06:04:04,847 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-19 06:04:04,847 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-19 06:04:04,847 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-19 06:04:04,847 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-19 06:04:04,848 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-19 06:04:04,848 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-19 06:04:04,848 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-19 06:04:04,848 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,848 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,848 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,848 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,848 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 06:04:04,848 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-19 06:04:04,849 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-19 06:04:04,849 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-19 06:04:04,849 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-19 06:04:04,849 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-19 06:04:04,849 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-19 06:04:04,849 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-19 06:04:04,849 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-19 06:04:04,849 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-19 06:04:04,850 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-19 06:04:04,850 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-19 06:04:04,850 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-19 06:04:04,850 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-19 06:04:04,850 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-19 06:04:04,850 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-19 06:04:04,850 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-19 06:04:04,850 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-19 06:04:04,851 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-19 06:04:04,851 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-19 06:04:04,851 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 06:04:04,851 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a28~0 ~a17~0)) (<= ~a11~0 0) (= ~a19~0 1) (<= ~a28~0 7)) [2020-08-19 06:04:04,851 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 06:04:04,851 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 06:04:04,851 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a11~0)| 0)) (= |old(~a17~0)| |old(~a28~0)|)) [2020-08-19 06:04:04,852 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a19~0 1)) (.cse5 (not (= ~a28~0 10))) (.cse3 (not (= ~a11~0 1))) (.cse0 (not (= ~a28~0 ~a17~0))) (.cse4 (<= ~a17~0 7)) (.cse2 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse3) (and .cse1 .cse4) (and .cse0 .cse5 .cse2) (and .cse5 .cse3 .cse2) (not (<= |old(~a11~0)| 0)) (= |old(~a17~0)| |old(~a28~0)|) (and .cse0 .cse3 .cse2) (and .cse0 (<= ~a11~0 0)) (and .cse4 .cse2))) [2020-08-19 06:04:04,852 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-19 06:04:04,852 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-19 06:04:04,852 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (= ~a19~0 1)) (.cse5 (not (= ~a28~0 10))) (.cse3 (not (= ~a11~0 1))) (.cse0 (not (= ~a28~0 ~a17~0))) (.cse4 (<= ~a17~0 7)) (.cse2 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse3) (and .cse1 .cse4) (and .cse0 .cse5 .cse2) (and .cse5 .cse3 .cse2) (not (<= |old(~a11~0)| 0)) (= |old(~a17~0)| |old(~a28~0)|) (and .cse0 .cse3 .cse2) (and .cse0 (<= ~a11~0 0)) (and .cse4 .cse2))) [2020-08-19 06:04:04,852 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-19 06:04:04,852 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-19 06:04:04,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 06:04:04 BoogieIcfgContainer [2020-08-19 06:04:04,877 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 06:04:04,879 INFO L168 Benchmark]: Toolchain (without parser) took 16108.09 ms. Allocated memory was 141.0 MB in the beginning and 455.1 MB in the end (delta: 314.0 MB). Free memory was 101.1 MB in the beginning and 382.0 MB in the end (delta: -281.0 MB). Peak memory consumption was 279.6 MB. Max. memory is 7.1 GB. [2020-08-19 06:04:04,881 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.2 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-08-19 06:04:04,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.36 ms. Allocated memory was 141.0 MB in the beginning and 206.0 MB in the end (delta: 65.0 MB). Free memory was 100.6 MB in the beginning and 172.7 MB in the end (delta: -72.0 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2020-08-19 06:04:04,886 INFO L168 Benchmark]: Boogie Preprocessor took 111.39 ms. Allocated memory is still 206.0 MB. Free memory was 172.7 MB in the beginning and 167.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-08-19 06:04:04,888 INFO L168 Benchmark]: RCFGBuilder took 1266.66 ms. Allocated memory was 206.0 MB in the beginning and 237.5 MB in the end (delta: 31.5 MB). Free memory was 167.8 MB in the beginning and 179.6 MB in the end (delta: -11.8 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. [2020-08-19 06:04:04,889 INFO L168 Benchmark]: TraceAbstraction took 13958.35 ms. Allocated memory was 237.5 MB in the beginning and 455.1 MB in the end (delta: 217.6 MB). Free memory was 177.9 MB in the beginning and 382.0 MB in the end (delta: -204.2 MB). Peak memory consumption was 260.0 MB. Max. memory is 7.1 GB. [2020-08-19 06:04:04,898 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.2 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 764.36 ms. Allocated memory was 141.0 MB in the beginning and 206.0 MB in the end (delta: 65.0 MB). Free memory was 100.6 MB in the beginning and 172.7 MB in the end (delta: -72.0 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.39 ms. Allocated memory is still 206.0 MB. Free memory was 172.7 MB in the beginning and 167.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1266.66 ms. Allocated memory was 206.0 MB in the beginning and 237.5 MB in the end (delta: 31.5 MB). Free memory was 167.8 MB in the beginning and 179.6 MB in the end (delta: -11.8 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13958.35 ms. Allocated memory was 237.5 MB in the beginning and 455.1 MB in the end (delta: 217.6 MB). Free memory was 177.9 MB in the beginning and 382.0 MB in the end (delta: -204.2 MB). Peak memory consumption was 260.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 487]: 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: ((((((((((((!(a28 == a17) && a19 == 1) && a28 <= 10) || !(\old(a28) <= 7)) || !(\old(a19) == 1)) || ((!(a28 == a17) && a19 == 1) && !(a11 == 1))) || (a19 == 1 && a17 <= 7)) || ((!(a28 == a17) && !(a28 == 10)) && a28 <= 10)) || ((!(a28 == 10) && !(a11 == 1)) && a28 <= 10)) || !(\old(a11) <= 0)) || \old(a17) == \old(a28)) || ((!(a28 == a17) && !(a11 == 1)) && a28 <= 10)) || (!(a28 == a17) && a11 <= 0)) || (a17 <= 7 && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.2s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 197 SDtfs, 3406 SDslu, 271 SDs, 0 SdLazy, 5045 SolverSat, 1146 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1656occurred 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: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 321 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 75 PreInvPairs, 155 NumberOfFragments, 504 HoareAnnotationTreeSize, 75 FomulaSimplifications, 16828 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2411 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 697 NumberOfCodeBlocks, 697 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 692 ConstructedInterpolants, 0 QuantifiedInterpolants, 289355 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 133/144 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...