/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 false -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 [2020-08-18 15:32:05,338 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 15:32:05,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 15:32:05,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 15:32:05,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 15:32:05,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 15:32:05,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 15:32:05,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 15:32:05,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 15:32:05,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 15:32:05,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 15:32:05,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 15:32:05,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 15:32:05,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 15:32:05,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 15:32:05,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 15:32:05,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 15:32:05,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 15:32:05,451 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 15:32:05,493 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 15:32:05,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 15:32:05,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 15:32:05,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 15:32:05,496 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 15:32:05,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 15:32:05,496 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 15:32:05,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 15:32:05,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 15:32:05,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 15:32:05,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 15:32:05,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 15:32:05,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 15:32:05,499 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 15:32:05,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 15:32:05,499 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 15:32:05,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 15:32:05,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 15:32:05,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 15:32:05,500 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 15:32:05,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 15:32:05,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 15:32:05,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 15:32:05,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 15:32:05,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 15:32:05,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 15:32:05,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 15:32:05,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 15:32:05,502 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 15:32:05,502 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 -> false [2020-08-18 15:32:05,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 15:32:05,812 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 15:32:05,815 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 15:32:05,818 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 15:32:05,818 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 15:32:05,819 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label55.c [2020-08-18 15:32:05,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/043689ff8/f09633c21d194a5899f5b6df74618f5c/FLAGe5032b5f3 [2020-08-18 15:32:06,484 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 15:32:06,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label55.c [2020-08-18 15:32:06,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/043689ff8/f09633c21d194a5899f5b6df74618f5c/FLAGe5032b5f3 [2020-08-18 15:32:06,713 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/043689ff8/f09633c21d194a5899f5b6df74618f5c [2020-08-18 15:32:06,723 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 15:32:06,725 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 15:32:06,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 15:32:06,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 15:32:06,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 15:32:06,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 03:32:06" (1/1) ... [2020-08-18 15:32:06,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d72532b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:32:06, skipping insertion in model container [2020-08-18 15:32:06,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 03:32:06" (1/1) ... [2020-08-18 15:32:06,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 15:32:06,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 15:32:07,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 15:32:07,206 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 15:32:07,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 15:32:07,438 INFO L208 MainTranslator]: Completed translation [2020-08-18 15:32:07,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:32:07 WrapperNode [2020-08-18 15:32:07,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 15:32:07,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 15:32:07,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 15:32:07,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 15:32:07,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:32:07" (1/1) ... [2020-08-18 15:32:07,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:32:07" (1/1) ... [2020-08-18 15:32:07,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:32:07" (1/1) ... [2020-08-18 15:32:07,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:32:07" (1/1) ... [2020-08-18 15:32:07,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:32:07" (1/1) ... [2020-08-18 15:32:07,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:32:07" (1/1) ... [2020-08-18 15:32:07,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:32:07" (1/1) ... [2020-08-18 15:32:07,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 15:32:07,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 15:32:07,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 15:32:07,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 15:32:07,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:32:07" (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 15:32:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 15:32:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 15:32:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 15:32:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 15:32:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 15:32:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 15:32:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 15:32:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 15:32:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 15:32:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 15:32:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 15:32:08,884 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 15:32:08,884 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 15:32:08,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 03:32:08 BoogieIcfgContainer [2020-08-18 15:32:08,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 15:32:08,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 15:32:08,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 15:32:08,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 15:32:08,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 03:32:06" (1/3) ... [2020-08-18 15:32:08,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3657346b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 03:32:08, skipping insertion in model container [2020-08-18 15:32:08,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:32:07" (2/3) ... [2020-08-18 15:32:08,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3657346b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 03:32:08, skipping insertion in model container [2020-08-18 15:32:08,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 03:32:08" (3/3) ... [2020-08-18 15:32:08,900 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label55.c [2020-08-18 15:32:08,912 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 15:32:08,921 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 15:32:08,939 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 15:32:08,970 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 15:32:08,971 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 15:32:08,971 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 15:32:08,971 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 15:32:08,971 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 15:32:08,972 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 15:32:08,972 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 15:32:08,972 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 15:32:09,009 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-18 15:32:09,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-08-18 15:32:09,039 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:32:09,040 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] [2020-08-18 15:32:09,040 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:32:09,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:32:09,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1666327721, now seen corresponding path program 1 times [2020-08-18 15:32:09,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:32:09,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1690520507] [2020-08-18 15:32:09,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:32:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:09,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:32:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:09,706 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 15:32:09,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1690520507] [2020-08-18 15:32:09,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:32:09,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 15:32:09,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056694090] [2020-08-18 15:32:09,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 15:32:09,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:32:09,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 15:32:09,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 15:32:09,735 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-18 15:32:12,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:32:12,187 INFO L93 Difference]: Finished difference Result 785 states and 1380 transitions. [2020-08-18 15:32:12,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 15:32:12,195 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2020-08-18 15:32:12,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:32:12,217 INFO L225 Difference]: With dead ends: 785 [2020-08-18 15:32:12,217 INFO L226 Difference]: Without dead ends: 481 [2020-08-18 15:32:12,227 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 15:32:12,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-08-18 15:32:12,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 472. [2020-08-18 15:32:12,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2020-08-18 15:32:12,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 643 transitions. [2020-08-18 15:32:12,316 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 643 transitions. Word has length 111 [2020-08-18 15:32:12,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:32:12,317 INFO L479 AbstractCegarLoop]: Abstraction has 472 states and 643 transitions. [2020-08-18 15:32:12,318 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 15:32:12,318 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 643 transitions. [2020-08-18 15:32:12,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-08-18 15:32:12,325 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:32:12,325 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] [2020-08-18 15:32:12,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 15:32:12,326 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:32:12,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:32:12,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1096762264, now seen corresponding path program 1 times [2020-08-18 15:32:12,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:32:12,327 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1911513280] [2020-08-18 15:32:12,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:32:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:12,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:32:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:12,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 15:32:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:12,620 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:32:12,620 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1911513280] [2020-08-18 15:32:12,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 15:32:12,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 15:32:12,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146405131] [2020-08-18 15:32:12,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 15:32:12,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:32:12,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 15:32:12,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 15:32:12,627 INFO L87 Difference]: Start difference. First operand 472 states and 643 transitions. Second operand 5 states. [2020-08-18 15:32:13,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:32:13,816 INFO L93 Difference]: Finished difference Result 1381 states and 1928 transitions. [2020-08-18 15:32:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 15:32:13,817 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-08-18 15:32:13,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:32:13,826 INFO L225 Difference]: With dead ends: 1381 [2020-08-18 15:32:13,826 INFO L226 Difference]: Without dead ends: 915 [2020-08-18 15:32:13,829 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 15:32:13,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2020-08-18 15:32:13,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 911. [2020-08-18 15:32:13,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 911 states. [2020-08-18 15:32:13,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1212 transitions. [2020-08-18 15:32:13,893 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1212 transitions. Word has length 120 [2020-08-18 15:32:13,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:32:13,894 INFO L479 AbstractCegarLoop]: Abstraction has 911 states and 1212 transitions. [2020-08-18 15:32:13,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 15:32:13,895 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1212 transitions. [2020-08-18 15:32:13,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-08-18 15:32:13,903 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:32:13,903 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] [2020-08-18 15:32:13,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 15:32:13,904 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:32:13,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:32:13,904 INFO L82 PathProgramCache]: Analyzing trace with hash -948381632, now seen corresponding path program 1 times [2020-08-18 15:32:13,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:32:13,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [593998433] [2020-08-18 15:32:13,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:32:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:13,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:32:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:14,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 15:32:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:14,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 15:32:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:14,083 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 15:32:14,083 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [593998433] [2020-08-18 15:32:14,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 15:32:14,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 15:32:14,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502775268] [2020-08-18 15:32:14,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 15:32:14,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:32:14,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 15:32:14,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 15:32:14,086 INFO L87 Difference]: Start difference. First operand 911 states and 1212 transitions. Second operand 8 states. [2020-08-18 15:32:15,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:32:15,643 INFO L93 Difference]: Finished difference Result 2135 states and 2928 transitions. [2020-08-18 15:32:15,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 15:32:15,644 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-08-18 15:32:15,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:32:15,652 INFO L225 Difference]: With dead ends: 2135 [2020-08-18 15:32:15,653 INFO L226 Difference]: Without dead ends: 1230 [2020-08-18 15:32:15,655 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-08-18 15:32:15,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2020-08-18 15:32:15,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1218. [2020-08-18 15:32:15,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2020-08-18 15:32:15,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1625 transitions. [2020-08-18 15:32:15,702 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1625 transitions. Word has length 142 [2020-08-18 15:32:15,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:32:15,703 INFO L479 AbstractCegarLoop]: Abstraction has 1218 states and 1625 transitions. [2020-08-18 15:32:15,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 15:32:15,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1625 transitions. [2020-08-18 15:32:15,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-08-18 15:32:15,709 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:32:15,710 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] [2020-08-18 15:32:15,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 15:32:15,710 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:32:15,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:32:15,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1680362696, now seen corresponding path program 1 times [2020-08-18 15:32:15,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:32:15,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1933783092] [2020-08-18 15:32:15,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:32:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:15,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:32:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:15,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 15:32:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:15,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-18 15:32:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:15,999 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-18 15:32:16,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1933783092] [2020-08-18 15:32:16,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 15:32:16,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 15:32:16,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704549265] [2020-08-18 15:32:16,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 15:32:16,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:32:16,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 15:32:16,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-18 15:32:16,002 INFO L87 Difference]: Start difference. First operand 1218 states and 1625 transitions. Second operand 7 states. [2020-08-18 15:32:18,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:32:18,771 INFO L93 Difference]: Finished difference Result 4050 states and 5470 transitions. [2020-08-18 15:32:18,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 15:32:18,778 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 146 [2020-08-18 15:32:18,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:32:18,790 INFO L225 Difference]: With dead ends: 4050 [2020-08-18 15:32:18,791 INFO L226 Difference]: Without dead ends: 1952 [2020-08-18 15:32:18,796 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-08-18 15:32:18,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1952 states. [2020-08-18 15:32:18,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1952 to 1656. [2020-08-18 15:32:18,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1656 states. [2020-08-18 15:32:18,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 2077 transitions. [2020-08-18 15:32:18,861 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 2077 transitions. Word has length 146 [2020-08-18 15:32:18,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:32:18,861 INFO L479 AbstractCegarLoop]: Abstraction has 1656 states and 2077 transitions. [2020-08-18 15:32:18,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 15:32:18,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2077 transitions. [2020-08-18 15:32:18,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-08-18 15:32:18,868 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:32:18,868 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] [2020-08-18 15:32:18,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 15:32:18,869 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:32:18,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:32:18,869 INFO L82 PathProgramCache]: Analyzing trace with hash 63334714, now seen corresponding path program 1 times [2020-08-18 15:32:18,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:32:18,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1372963353] [2020-08-18 15:32:18,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:32:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:18,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:32:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:18,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 15:32:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:19,060 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:32:19,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1372963353] [2020-08-18 15:32:19,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:32:19,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 15:32:19,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964912636] [2020-08-18 15:32:19,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 15:32:19,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:32:19,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 15:32:19,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 15:32:19,062 INFO L87 Difference]: Start difference. First operand 1656 states and 2077 transitions. Second operand 8 states. [2020-08-18 15:32:21,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:32:21,314 INFO L93 Difference]: Finished difference Result 5260 states and 6877 transitions. [2020-08-18 15:32:21,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 15:32:21,315 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2020-08-18 15:32:21,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:32:21,316 INFO L225 Difference]: With dead ends: 5260 [2020-08-18 15:32:21,316 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 15:32:21,329 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 [2020-08-18 15:32:21,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 15:32:21,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 15:32:21,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 15:32:21,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 15:32:21,330 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2020-08-18 15:32:21,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:32:21,330 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 15:32:21,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 15:32:21,331 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 15:32:21,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 15:32:21,331 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 15:32:21,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 15:32:22,376 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 40 [2020-08-18 15:32:22,626 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-08-18 15:32:22,839 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-08-18 15:32:22,843 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 15:32:22,844 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 15:32:22,844 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 15:32:22,844 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,844 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,845 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,845 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,845 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,846 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-18 15:32:22,846 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-18 15:32:22,846 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-18 15:32:22,846 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-18 15:32:22,846 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-18 15:32:22,846 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-18 15:32:22,846 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-18 15:32:22,847 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-18 15:32:22,847 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-18 15:32:22,847 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-18 15:32:22,847 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-18 15:32:22,847 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-18 15:32:22,847 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-18 15:32:22,847 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,847 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,848 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,851 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,851 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-18 15:32:22,851 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,851 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-18 15:32:22,852 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-18 15:32:22,852 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-18 15:32:22,852 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-18 15:32:22,852 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-18 15:32:22,852 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-18 15:32:22,853 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-18 15:32:22,853 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-18 15:32:22,853 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-18 15:32:22,853 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-18 15:32:22,853 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-18 15:32:22,853 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-18 15:32:22,853 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-18 15:32:22,854 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-18 15:32:22,854 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-18 15:32:22,854 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,855 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,856 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,856 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,856 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,856 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 487) no Hoare annotation was computed. [2020-08-18 15:32:22,856 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-18 15:32:22,857 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-18 15:32:22,857 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-18 15:32:22,857 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-18 15:32:22,857 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-18 15:32:22,857 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-18 15:32:22,857 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-18 15:32:22,857 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-18 15:32:22,857 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-18 15:32:22,858 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-18 15:32:22,858 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-18 15:32:22,858 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,858 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,858 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,858 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,858 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,858 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-18 15:32:22,859 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-18 15:32:22,859 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-18 15:32:22,859 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-18 15:32:22,859 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-18 15:32:22,859 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-18 15:32:22,859 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-18 15:32:22,859 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-18 15:32:22,859 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-18 15:32:22,860 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-18 15:32:22,860 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-18 15:32:22,860 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-18 15:32:22,861 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-18 15:32:22,861 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,861 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,862 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,862 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,862 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,862 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-18 15:32:22,862 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-18 15:32:22,862 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-18 15:32:22,862 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-18 15:32:22,862 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-18 15:32:22,863 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-18 15:32:22,863 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-18 15:32:22,863 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-18 15:32:22,863 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-18 15:32:22,863 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-18 15:32:22,863 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-18 15:32:22,863 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-18 15:32:22,864 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-18 15:32:22,864 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-18 15:32:22,864 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-18 15:32:22,864 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-18 15:32:22,864 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,864 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,864 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,864 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,865 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-18 15:32:22,865 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,865 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-18 15:32:22,865 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,865 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-18 15:32:22,866 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-18 15:32:22,866 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-18 15:32:22,866 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,866 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,866 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-18 15:32:22,867 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-18 15:32:22,867 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-18 15:32:22,867 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-18 15:32:22,867 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-18 15:32:22,867 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-18 15:32:22,867 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-18 15:32:22,867 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-18 15:32:22,867 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-18 15:32:22,868 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-18 15:32:22,868 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-18 15:32:22,868 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,868 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,868 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,868 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,868 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,868 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,868 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-18 15:32:22,869 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-18 15:32:22,869 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-18 15:32:22,869 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-18 15:32:22,869 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-18 15:32:22,869 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-18 15:32:22,869 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-18 15:32:22,869 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-18 15:32:22,869 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-18 15:32:22,872 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-18 15:32:22,872 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-18 15:32:22,873 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,873 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,873 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,873 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,873 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,873 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,873 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-18 15:32:22,881 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-18 15:32:22,881 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-18 15:32:22,882 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-18 15:32:22,882 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-18 15:32:22,882 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-18 15:32:22,882 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-18 15:32:22,882 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-18 15:32:22,882 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-18 15:32:22,882 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-18 15:32:22,882 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-18 15:32:22,883 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-18 15:32:22,883 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-18 15:32:22,883 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-18 15:32:22,883 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,883 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,883 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,883 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))) [2020-08-18 15:32:22,884 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,885 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,888 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,888 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-18 15:32:22,888 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-18 15:32:22,889 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-18 15:32:22,889 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-18 15:32:22,889 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-18 15:32:22,889 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-18 15:32:22,889 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-18 15:32:22,889 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-18 15:32:22,889 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-18 15:32:22,889 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-18 15:32:22,890 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-18 15:32:22,890 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-18 15:32:22,890 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-18 15:32:22,890 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,890 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,890 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,890 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,890 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,891 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,891 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-18 15:32:22,891 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-18 15:32:22,891 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-18 15:32:22,891 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-18 15:32:22,891 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-18 15:32:22,891 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-18 15:32:22,891 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-18 15:32:22,891 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-18 15:32:22,892 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-18 15:32:22,892 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-18 15:32:22,892 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-18 15:32:22,892 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-18 15:32:22,892 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-18 15:32:22,892 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-18 15:32:22,892 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-18 15:32:22,892 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-18 15:32:22,893 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,893 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,893 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,893 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,893 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:22,893 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-18 15:32:22,893 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-18 15:32:22,893 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-18 15:32:22,893 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-18 15:32:22,894 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-18 15:32:22,894 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-18 15:32:22,894 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-18 15:32:22,894 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-18 15:32:22,894 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-18 15:32:22,894 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-18 15:32:22,894 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-18 15:32:22,894 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-18 15:32:22,895 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-18 15:32:22,895 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-18 15:32:22,895 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-18 15:32:22,895 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-18 15:32:22,895 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-18 15:32:22,895 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-18 15:32:22,895 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-18 15:32:22,895 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 15:32:22,896 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)) [2020-08-18 15:32:22,896 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 15:32:22,896 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 15:32:22,896 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)|)) [2020-08-18 15:32:22,896 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))) [2020-08-18 15:32:22,896 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-18 15:32:22,896 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-18 15:32:22,897 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))) [2020-08-18 15:32:22,897 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-18 15:32:22,897 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-18 15:32:22,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 03:32:22 BoogieIcfgContainer [2020-08-18 15:32:22,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 15:32:22,928 INFO L168 Benchmark]: Toolchain (without parser) took 16202.78 ms. Allocated memory was 144.2 MB in the beginning and 411.0 MB in the end (delta: 266.9 MB). Free memory was 100.8 MB in the beginning and 168.4 MB in the end (delta: -67.6 MB). Peak memory consumption was 281.8 MB. Max. memory is 7.1 GB. [2020-08-18 15:32:22,930 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 144.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 15:32:22,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.31 ms. Allocated memory was 144.2 MB in the beginning and 205.0 MB in the end (delta: 60.8 MB). Free memory was 100.6 MB in the beginning and 172.3 MB in the end (delta: -71.7 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. [2020-08-18 15:32:22,937 INFO L168 Benchmark]: Boogie Preprocessor took 118.18 ms. Allocated memory is still 205.0 MB. Free memory was 172.3 MB in the beginning and 167.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-08-18 15:32:22,938 INFO L168 Benchmark]: RCFGBuilder took 1330.76 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 167.3 MB in the beginning and 182.0 MB in the end (delta: -14.7 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2020-08-18 15:32:22,939 INFO L168 Benchmark]: TraceAbstraction took 14033.39 ms. Allocated memory was 236.5 MB in the beginning and 411.0 MB in the end (delta: 174.6 MB). Free memory was 182.0 MB in the beginning and 168.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 270.8 MB. Max. memory is 7.1 GB. [2020-08-18 15:32:22,948 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 144.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.31 ms. Allocated memory was 144.2 MB in the beginning and 205.0 MB in the end (delta: 60.8 MB). Free memory was 100.6 MB in the beginning and 172.3 MB in the end (delta: -71.7 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.18 ms. Allocated memory is still 205.0 MB. Free memory was 172.3 MB in the beginning and 167.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1330.76 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 167.3 MB in the beginning and 182.0 MB in the end (delta: -14.7 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14033.39 ms. Allocated memory was 236.5 MB in the beginning and 411.0 MB in the end (delta: 174.6 MB). Free memory was 182.0 MB in the beginning and 168.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 270.8 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: 12.3s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 197 SDtfs, 3406 SDslu, 271 SDs, 0 SdLazy, 5045 SolverSat, 1146 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s 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, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2411 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s 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...