/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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 14:58:22,264 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-21 14:58:22,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 14:58:22,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 14:58:22,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 14:58:22,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 14:58:22,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 14:58:22,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 14:58:22,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 14:58:22,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 14:58:22,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 14:58:22,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 14:58:22,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 14:58:22,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 14:58:22,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 14:58:22,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 14:58:22,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 14:58:22,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 14:58:22,332 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 [2020-08-21 14:58:22,359 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 14:58:22,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 14:58:22,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 14:58:22,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 14:58:22,367 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 14:58:22,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 14:58:22,367 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 14:58:22,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 14:58:22,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 14:58:22,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 14:58:22,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 14:58:22,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 14:58:22,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 14:58:22,369 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 14:58:22,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 14:58:22,369 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 14:58:22,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 14:58:22,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 14:58:22,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 14:58:22,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 14:58:22,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 14:58:22,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 14:58:22,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 14:58:22,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 14:58:22,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 14:58:22,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 14:58:22,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 14:58:22,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 14:58:22,375 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 14:58:22,375 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 -> interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> interpolation-heuristic=FIRST;log-additional-information=true; [2020-08-21 14:58:22,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 14:58:22,737 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 14:58:22,741 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 14:58:22,742 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 14:58:22,743 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 14:58:22,743 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-08-21 14:58:22,807 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0ae00f22b/fb2096280cf94311b1122948d1f09090/FLAGfd1ed9820 [2020-08-21 14:58:23,430 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 14:58:23,434 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-08-21 14:58:23,457 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0ae00f22b/fb2096280cf94311b1122948d1f09090/FLAGfd1ed9820 [2020-08-21 14:58:23,647 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0ae00f22b/fb2096280cf94311b1122948d1f09090 [2020-08-21 14:58:23,657 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 14:58:23,659 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 14:58:23,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 14:58:23,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 14:58:23,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 14:58:23,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:58:23" (1/1) ... [2020-08-21 14:58:23,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4734e8fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:58:23, skipping insertion in model container [2020-08-21 14:58:23,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:58:23" (1/1) ... [2020-08-21 14:58:23,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 14:58:23,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 14:58:24,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:58:24,143 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 14:58:24,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:58:24,390 INFO L208 MainTranslator]: Completed translation [2020-08-21 14:58:24,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:58:24 WrapperNode [2020-08-21 14:58:24,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 14:58:24,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 14:58:24,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 14:58:24,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 14:58:24,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:58:24" (1/1) ... [2020-08-21 14:58:24,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:58:24" (1/1) ... [2020-08-21 14:58:24,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:58:24" (1/1) ... [2020-08-21 14:58:24,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:58:24" (1/1) ... [2020-08-21 14:58:24,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:58:24" (1/1) ... [2020-08-21 14:58:24,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:58:24" (1/1) ... [2020-08-21 14:58:24,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:58:24" (1/1) ... [2020-08-21 14:58:24,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 14:58:24,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 14:58:24,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 14:58:24,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 14:58:24,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:58:24" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 14:58:24,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 14:58:24,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 14:58:24,587 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 14:58:24,588 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 14:58:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 14:58:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 14:58:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 14:58:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 14:58:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 14:58:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 14:58:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 14:58:25,743 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 14:58:25,743 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 14:58:25,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:58:25 BoogieIcfgContainer [2020-08-21 14:58:25,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 14:58:25,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 14:58:25,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 14:58:25,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 14:58:25,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 02:58:23" (1/3) ... [2020-08-21 14:58:25,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb3b3d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:58:25, skipping insertion in model container [2020-08-21 14:58:25,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:58:24" (2/3) ... [2020-08-21 14:58:25,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb3b3d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:58:25, skipping insertion in model container [2020-08-21 14:58:25,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:58:25" (3/3) ... [2020-08-21 14:58:25,759 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label14.c [2020-08-21 14:58:25,769 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 14:58:25,778 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 14:58:25,791 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 14:58:25,818 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 14:58:25,819 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 14:58:25,819 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 14:58:25,819 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 14:58:25,819 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 14:58:25,820 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 14:58:25,820 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 14:58:25,820 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 14:58:25,843 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-21 14:58:25,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-08-21 14:58:25,858 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:58:25,859 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:58:25,860 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:58:25,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:58:25,866 INFO L82 PathProgramCache]: Analyzing trace with hash -871643495, now seen corresponding path program 1 times [2020-08-21 14:58:25,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:58:25,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1120272228] [2020-08-21 14:58:25,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:58:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:26,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:58:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:26,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:58:26,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1120272228] [2020-08-21 14:58:26,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:58:26,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 14:58:26,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460156330] [2020-08-21 14:58:26,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 14:58:26,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:58:26,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 14:58:26,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 14:58:26,528 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-21 14:58:28,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:58:28,267 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-08-21 14:58:28,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 14:58:28,273 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2020-08-21 14:58:28,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:58:28,310 INFO L225 Difference]: With dead ends: 627 [2020-08-21 14:58:28,310 INFO L226 Difference]: Without dead ends: 327 [2020-08-21 14:58:28,323 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 14:58:28,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-08-21 14:58:28,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-08-21 14:58:28,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-08-21 14:58:28,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2020-08-21 14:58:28,426 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 123 [2020-08-21 14:58:28,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:58:28,427 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2020-08-21 14:58:28,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 14:58:28,428 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2020-08-21 14:58:28,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-08-21 14:58:28,433 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:58:28,434 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:58:28,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 14:58:28,434 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:58:28,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:58:28,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1925797076, now seen corresponding path program 1 times [2020-08-21 14:58:28,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:58:28,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1974401800] [2020-08-21 14:58:28,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:58:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:28,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:58:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:28,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:58:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:28,620 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:58:28,620 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1974401800] [2020-08-21 14:58:28,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:58:28,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 14:58:28,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117024803] [2020-08-21 14:58:28,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 14:58:28,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:58:28,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 14:58:28,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:58:28,624 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 8 states. [2020-08-21 14:58:29,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:58:29,511 INFO L93 Difference]: Finished difference Result 635 states and 968 transitions. [2020-08-21 14:58:29,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-21 14:58:29,513 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2020-08-21 14:58:29,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:58:29,516 INFO L225 Difference]: With dead ends: 635 [2020-08-21 14:58:29,516 INFO L226 Difference]: Without dead ends: 322 [2020-08-21 14:58:29,518 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-08-21 14:58:29,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-08-21 14:58:29,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 310. [2020-08-21 14:58:29,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-08-21 14:58:29,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2020-08-21 14:58:29,542 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 138 [2020-08-21 14:58:29,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:58:29,543 INFO L479 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2020-08-21 14:58:29,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 14:58:29,543 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2020-08-21 14:58:29,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-08-21 14:58:29,547 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:58:29,547 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:58:29,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 14:58:29,548 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:58:29,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:58:29,548 INFO L82 PathProgramCache]: Analyzing trace with hash -295293823, now seen corresponding path program 1 times [2020-08-21 14:58:29,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:58:29,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [690208390] [2020-08-21 14:58:29,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:58:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:29,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:58:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:29,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:58:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:29,795 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:58:29,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [690208390] [2020-08-21 14:58:29,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:58:29,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 14:58:29,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254294468] [2020-08-21 14:58:29,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 14:58:29,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:58:29,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 14:58:29,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:58:29,798 INFO L87 Difference]: Start difference. First operand 310 states and 437 transitions. Second operand 8 states. [2020-08-21 14:58:31,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:58:31,701 INFO L93 Difference]: Finished difference Result 1090 states and 1576 transitions. [2020-08-21 14:58:31,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 14:58:31,706 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 145 [2020-08-21 14:58:31,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:58:31,712 INFO L225 Difference]: With dead ends: 1090 [2020-08-21 14:58:31,712 INFO L226 Difference]: Without dead ends: 786 [2020-08-21 14:58:31,714 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 [2020-08-21 14:58:31,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-08-21 14:58:31,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 614. [2020-08-21 14:58:31,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-08-21 14:58:31,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 801 transitions. [2020-08-21 14:58:31,755 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 801 transitions. Word has length 145 [2020-08-21 14:58:31,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:58:31,755 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 801 transitions. [2020-08-21 14:58:31,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 14:58:31,755 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 801 transitions. [2020-08-21 14:58:31,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-08-21 14:58:31,761 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:58:31,761 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:58:31,761 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 14:58:31,761 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:58:31,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:58:31,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1765558216, now seen corresponding path program 1 times [2020-08-21 14:58:31,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:58:31,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1952094617] [2020-08-21 14:58:31,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:58:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:31,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:58:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:31,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:58:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:31,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 14:58:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:31,995 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-08-21 14:58:31,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1952094617] [2020-08-21 14:58:31,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:58:31,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 14:58:31,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808284731] [2020-08-21 14:58:31,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 14:58:31,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:58:31,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 14:58:31,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 14:58:31,999 INFO L87 Difference]: Start difference. First operand 614 states and 801 transitions. Second operand 5 states. [2020-08-21 14:58:33,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:58:33,095 INFO L93 Difference]: Finished difference Result 1528 states and 2042 transitions. [2020-08-21 14:58:33,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 14:58:33,096 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2020-08-21 14:58:33,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:58:33,104 INFO L225 Difference]: With dead ends: 1528 [2020-08-21 14:58:33,104 INFO L226 Difference]: Without dead ends: 920 [2020-08-21 14:58:33,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 14:58:33,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2020-08-21 14:58:33,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 908. [2020-08-21 14:58:33,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 908 states. [2020-08-21 14:58:33,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1142 transitions. [2020-08-21 14:58:33,141 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1142 transitions. Word has length 158 [2020-08-21 14:58:33,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:58:33,142 INFO L479 AbstractCegarLoop]: Abstraction has 908 states and 1142 transitions. [2020-08-21 14:58:33,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 14:58:33,142 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1142 transitions. [2020-08-21 14:58:33,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-08-21 14:58:33,146 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:58:33,147 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:58:33,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 14:58:33,147 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:58:33,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:58:33,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1113015880, now seen corresponding path program 1 times [2020-08-21 14:58:33,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:58:33,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1217822362] [2020-08-21 14:58:33,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:58:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:33,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:58:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:33,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:58:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:33,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 14:58:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:33,341 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 14:58:33,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1217822362] [2020-08-21 14:58:33,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:58:33,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 14:58:33,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143052583] [2020-08-21 14:58:33,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 14:58:33,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:58:33,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 14:58:33,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 14:58:33,344 INFO L87 Difference]: Start difference. First operand 908 states and 1142 transitions. Second operand 7 states. [2020-08-21 14:58:35,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:58:35,625 INFO L93 Difference]: Finished difference Result 2788 states and 3662 transitions. [2020-08-21 14:58:35,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 14:58:35,625 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 166 [2020-08-21 14:58:35,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:58:35,626 INFO L225 Difference]: With dead ends: 2788 [2020-08-21 14:58:35,626 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 14:58:35,634 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 14:58:35,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 14:58:35,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 14:58:35,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 14:58:35,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 14:58:35,636 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 166 [2020-08-21 14:58:35,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:58:35,636 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 14:58:35,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 14:58:35,637 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 14:58:35,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 14:58:35,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 14:58:35,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 14:58:36,433 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 47 [2020-08-21 14:58:36,651 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 29 [2020-08-21 14:58:36,815 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 29 [2020-08-21 14:58:36,819 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:58:36,822 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)|)) [2020-08-21 14:58:36,822 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:58:36,822 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,822 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,822 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,823 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,823 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,823 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-21 14:58:36,823 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-21 14:58:36,823 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-21 14:58:36,823 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-21 14:58:36,824 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-21 14:58:36,828 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-21 14:58:36,828 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-21 14:58:36,828 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-21 14:58:36,828 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-21 14:58:36,828 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-21 14:58:36,829 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-21 14:58:36,832 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-21 14:58:36,832 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-21 14:58:36,832 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,832 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,832 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,832 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,833 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-21 14:58:36,833 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,833 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-21 14:58:36,833 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-21 14:58:36,833 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-21 14:58:36,833 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-21 14:58:36,833 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-21 14:58:36,834 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-21 14:58:36,837 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-21 14:58:36,837 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-21 14:58:36,837 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-21 14:58:36,838 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-21 14:58:36,838 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-21 14:58:36,838 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-21 14:58:36,838 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-21 14:58:36,838 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-21 14:58:36,838 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-21 14:58:36,838 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,838 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,839 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,839 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,839 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,839 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 523) no Hoare annotation was computed. [2020-08-21 14:58:36,839 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-21 14:58:36,839 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-21 14:58:36,840 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-21 14:58:36,842 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-21 14:58:36,842 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-21 14:58:36,842 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-21 14:58:36,842 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-21 14:58:36,842 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-21 14:58:36,843 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-21 14:58:36,843 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-21 14:58:36,843 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-21 14:58:36,843 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,843 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,843 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,843 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,844 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,844 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-21 14:58:36,844 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-21 14:58:36,844 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-21 14:58:36,844 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-21 14:58:36,844 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-21 14:58:36,844 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-21 14:58:36,845 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-21 14:58:36,848 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-21 14:58:36,848 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-21 14:58:36,848 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-21 14:58:36,848 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-21 14:58:36,849 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-21 14:58:36,849 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-21 14:58:36,849 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,849 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,849 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,849 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,849 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,849 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-21 14:58:36,853 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-21 14:58:36,853 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-21 14:58:36,853 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-21 14:58:36,853 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-21 14:58:36,853 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-21 14:58:36,854 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-21 14:58:36,854 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-21 14:58:36,854 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-21 14:58:36,854 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-21 14:58:36,854 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-21 14:58:36,854 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-21 14:58:36,854 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-21 14:58:36,854 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-21 14:58:36,855 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-21 14:58:36,855 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-21 14:58:36,855 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,855 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,855 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,859 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,859 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-21 14:58:36,859 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,859 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-21 14:58:36,859 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,860 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-21 14:58:36,860 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-21 14:58:36,860 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-21 14:58:36,860 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,860 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,860 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-21 14:58:36,860 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-21 14:58:36,860 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-21 14:58:36,861 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-21 14:58:36,861 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-21 14:58:36,861 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-21 14:58:36,861 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-21 14:58:36,861 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-21 14:58:36,861 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-21 14:58:36,861 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-21 14:58:36,861 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-21 14:58:36,862 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,863 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,863 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,863 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,863 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,863 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,864 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-21 14:58:36,864 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-21 14:58:36,864 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-21 14:58:36,864 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-21 14:58:36,864 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-21 14:58:36,864 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-21 14:58:36,864 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-21 14:58:36,865 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-21 14:58:36,865 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-21 14:58:36,865 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-21 14:58:36,865 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-21 14:58:36,865 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,865 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,865 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,865 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,866 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,870 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,870 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-21 14:58:36,870 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-21 14:58:36,870 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-21 14:58:36,871 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-21 14:58:36,871 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-21 14:58:36,871 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-21 14:58:36,871 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-21 14:58:36,871 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-21 14:58:36,871 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-21 14:58:36,871 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-21 14:58:36,871 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-21 14:58:36,872 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-21 14:58:36,872 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-21 14:58:36,872 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-21 14:58:36,872 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,872 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,872 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,874 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse7 (not (<= 8 |old(~a17~0)|))) (.cse8 (<= 8 ~a17~0)) (.cse10 (<= ~a17~0 8)) (.cse4 (= ~a25~0 |old(~a25~0)|)) (.cse6 (not (= |old(~a25~0)| 1))) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse9 (= ~a25~0 1)) (.cse5 (= ~a19~0 |old(~a19~0)|)) (.cse11 (= 11 |old(~a28~0)|))) (and (or (not (<= |old(~a28~0)| 7)) .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5)) (or .cse6 .cse0 .cse7 (and .cse1 .cse3 .cse8 .cse9 .cse10 .cse5)) (or .cse0 .cse7 .cse11 (and .cse1 .cse3 .cse4 .cse8 .cse10 .cse5)) (or .cse0 (and .cse2 .cse3 .cse4 .cse5 (= ~a28~0 10)) (not (= 10 |old(~a28~0)|))) (or .cse6 .cse0 (and .cse1 .cse2 .cse3 .cse9 .cse5) .cse11))) [2020-08-21 14:58:36,874 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,874 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,875 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,875 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-21 14:58:36,875 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-21 14:58:36,875 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-21 14:58:36,875 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-21 14:58:36,875 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-21 14:58:36,875 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-21 14:58:36,875 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-21 14:58:36,875 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-21 14:58:36,875 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-21 14:58:36,875 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-21 14:58:36,875 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-21 14:58:36,876 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-21 14:58:36,878 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-21 14:58:36,878 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,878 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,878 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,878 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,878 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,878 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,878 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-21 14:58:36,879 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-21 14:58:36,879 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-21 14:58:36,879 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-21 14:58:36,879 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-21 14:58:36,879 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-21 14:58:36,879 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-21 14:58:36,879 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-21 14:58:36,879 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-21 14:58:36,879 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-21 14:58:36,879 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-21 14:58:36,879 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-21 14:58:36,879 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-21 14:58:36,880 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-21 14:58:36,880 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-21 14:58:36,880 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-21 14:58:36,880 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,880 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,880 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,880 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,880 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:58:36,880 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-21 14:58:36,880 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-21 14:58:36,880 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-21 14:58:36,880 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-21 14:58:36,881 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-21 14:58:36,881 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-21 14:58:36,882 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-21 14:58:36,882 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-21 14:58:36,882 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-21 14:58:36,882 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-21 14:58:36,882 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-21 14:58:36,882 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-21 14:58:36,882 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-21 14:58:36,882 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-21 14:58:36,882 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-21 14:58:36,882 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-21 14:58:36,882 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-21 14:58:36,882 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-21 14:58:36,883 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-21 14:58:36,883 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:58:36,883 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 8 ~a17~0) (<= ~a28~0 7) (<= ~a17~0 8)) [2020-08-21 14:58:36,883 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 14:58:36,883 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:58:36,883 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (<= 8 |old(~a17~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (<= 8 ~a17~0) (<= ~a17~0 8) (= ~a19~0 |old(~a19~0)|))) [2020-08-21 14:58:36,883 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= 8 ~a17~0)) (.cse3 (= ~a25~0 1)) (.cse2 (not (= ~a28~0 11))) (.cse1 (<= ~a17~0 8))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 .cse2) (and (<= ~a28~0 7) .cse1) (and .cse0 .cse3 .cse1) (and .cse3 .cse1 .cse2) (and .cse1 (= ~a28~0 10)))) [2020-08-21 14:58:36,883 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-21 14:58:36,883 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-21 14:58:36,884 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= 8 ~a17~0)) (.cse3 (= ~a25~0 1)) (.cse2 (not (= ~a28~0 11))) (.cse1 (<= ~a17~0 8))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 .cse2) (and (<= ~a28~0 7) .cse1) (and .cse0 .cse3 .cse1) (and .cse3 .cse1 .cse2) (and .cse1 (= ~a28~0 10)))) [2020-08-21 14:58:36,884 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-21 14:58:36,884 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-21 14:58:36,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 02:58:36 BoogieIcfgContainer [2020-08-21 14:58:36,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 14:58:36,915 INFO L168 Benchmark]: Toolchain (without parser) took 13256.58 ms. Allocated memory was 139.5 MB in the beginning and 434.6 MB in the end (delta: 295.2 MB). Free memory was 101.0 MB in the beginning and 346.8 MB in the end (delta: -245.7 MB). Peak memory consumption was 256.7 MB. Max. memory is 7.1 GB. [2020-08-21 14:58:36,916 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.6 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-08-21 14:58:36,917 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.13 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 101.0 MB in the beginning and 171.1 MB in the end (delta: -70.1 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2020-08-21 14:58:36,918 INFO L168 Benchmark]: Boogie Preprocessor took 134.12 ms. Allocated memory is still 203.9 MB. Free memory was 171.1 MB in the beginning and 166.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-08-21 14:58:36,919 INFO L168 Benchmark]: RCFGBuilder took 1222.78 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 166.0 MB in the beginning and 181.0 MB in the end (delta: -14.9 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2020-08-21 14:58:36,920 INFO L168 Benchmark]: TraceAbstraction took 11162.03 ms. Allocated memory was 236.5 MB in the beginning and 434.6 MB in the end (delta: 198.2 MB). Free memory was 181.0 MB in the beginning and 346.8 MB in the end (delta: -165.8 MB). Peak memory consumption was 239.7 MB. Max. memory is 7.1 GB. [2020-08-21 14:58:36,925 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 139.5 MB. Free memory was 121.0 MB in the beginning and 120.6 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 732.13 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 101.0 MB in the beginning and 171.1 MB in the end (delta: -70.1 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.12 ms. Allocated memory is still 203.9 MB. Free memory was 171.1 MB in the beginning and 166.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1222.78 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 166.0 MB in the beginning and 181.0 MB in the end (delta: -14.9 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11162.03 ms. Allocated memory was 236.5 MB in the beginning and 434.6 MB in the end (delta: 198.2 MB). Free memory was 181.0 MB in the beginning and 346.8 MB in the end (delta: -165.8 MB). Peak memory consumption was 239.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 523]: 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: ((((((!(\old(a28) <= 7) || !(\old(a17) <= 8)) || !(8 <= \old(a17))) || ((8 <= a17 && a17 <= 8) && !(a28 == 11))) || (a28 <= 7 && a17 <= 8)) || ((8 <= a17 && a25 == 1) && a17 <= 8)) || ((a25 == 1 && a17 <= 8) && !(a28 == 11))) || (a17 <= 8 && a28 == 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.8s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 182 SDtfs, 2696 SDslu, 227 SDs, 0 SdLazy, 4386 SolverSat, 959 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=908occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 204 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 43 PreInvPairs, 87 NumberOfFragments, 355 HoareAnnotationTreeSize, 43 FomulaSimplifications, 26212 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1814 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 730 NumberOfCodeBlocks, 730 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 725 ConstructedInterpolants, 0 QuantifiedInterpolants, 261690 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 119/123 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...