/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_label56.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-27 21:54:28,242 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-27 21:54:28,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-27 21:54:28,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-27 21:54:28,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-27 21:54:28,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-27 21:54:28,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-27 21:54:28,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-27 21:54:28,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-27 21:54:28,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-27 21:54:28,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-27 21:54:28,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-27 21:54:28,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-27 21:54:28,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-27 21:54:28,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-27 21:54:28,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-27 21:54:28,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-27 21:54:28,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-27 21:54:28,375 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 [2020-08-27 21:54:28,424 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-27 21:54:28,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-27 21:54:28,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-27 21:54:28,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-27 21:54:28,427 INFO L138 SettingsManager]: * Use SBE=true [2020-08-27 21:54:28,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-27 21:54:28,428 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-27 21:54:28,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-27 21:54:28,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-27 21:54:28,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-27 21:54:28,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-27 21:54:28,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-27 21:54:28,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-27 21:54:28,430 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-27 21:54:28,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-27 21:54:28,431 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-27 21:54:28,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-27 21:54:28,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-27 21:54:28,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-27 21:54:28,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-27 21:54:28,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-27 21:54:28,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-27 21:54:28,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-27 21:54:28,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-27 21:54:28,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-27 21:54:28,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-27 21:54:28,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-27 21:54:28,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-27 21:54:28,433 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-27 21:54:28,434 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 [2020-08-27 21:54:28,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-27 21:54:28,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-27 21:54:28,921 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-27 21:54:28,923 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-27 21:54:28,924 INFO L275 PluginConnector]: CDTParser initialized [2020-08-27 21:54:28,925 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label56.c [2020-08-27 21:54:29,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7b68911a0/72b668ee7faf4802bdfaa9c7b60a0235/FLAGa71a1ff58 [2020-08-27 21:54:29,663 INFO L306 CDTParser]: Found 1 translation units. [2020-08-27 21:54:29,665 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label56.c [2020-08-27 21:54:29,685 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7b68911a0/72b668ee7faf4802bdfaa9c7b60a0235/FLAGa71a1ff58 [2020-08-27 21:54:29,852 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7b68911a0/72b668ee7faf4802bdfaa9c7b60a0235 [2020-08-27 21:54:29,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-27 21:54:29,871 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-27 21:54:29,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-27 21:54:29,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-27 21:54:29,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-27 21:54:29,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 09:54:29" (1/1) ... [2020-08-27 21:54:29,882 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 27.08 09:54:29, skipping insertion in model container [2020-08-27 21:54:29,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 09:54:29" (1/1) ... [2020-08-27 21:54:29,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-27 21:54:29,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-27 21:54:30,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 21:54:30,437 INFO L203 MainTranslator]: Completed pre-run [2020-08-27 21:54:30,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 21:54:30,691 INFO L208 MainTranslator]: Completed translation [2020-08-27 21:54:30,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:54:30 WrapperNode [2020-08-27 21:54:30,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-27 21:54:30,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-27 21:54:30,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-27 21:54:30,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-27 21:54:30,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:54:30" (1/1) ... [2020-08-27 21:54:30,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:54:30" (1/1) ... [2020-08-27 21:54:30,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:54:30" (1/1) ... [2020-08-27 21:54:30,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:54:30" (1/1) ... [2020-08-27 21:54:30,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:54:30" (1/1) ... [2020-08-27 21:54:30,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:54:30" (1/1) ... [2020-08-27 21:54:30,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:54:30" (1/1) ... [2020-08-27 21:54:30,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-27 21:54:30,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-27 21:54:30,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-27 21:54:30,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-27 21:54:30,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:54:30" (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 [2020-08-27 21:54:30,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-27 21:54:30,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-27 21:54:30,905 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-27 21:54:30,905 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-27 21:54:30,905 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-27 21:54:30,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-27 21:54:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-27 21:54:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-27 21:54:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-27 21:54:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-27 21:54:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-27 21:54:32,101 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-27 21:54:32,101 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-27 21:54:32,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 09:54:32 BoogieIcfgContainer [2020-08-27 21:54:32,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-27 21:54:32,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-27 21:54:32,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-27 21:54:32,114 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-27 21:54:32,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 09:54:29" (1/3) ... [2020-08-27 21:54:32,116 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 27.08 09:54:32, skipping insertion in model container [2020-08-27 21:54:32,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:54:30" (2/3) ... [2020-08-27 21:54:32,117 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 27.08 09:54:32, skipping insertion in model container [2020-08-27 21:54:32,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 09:54:32" (3/3) ... [2020-08-27 21:54:32,119 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label56.c [2020-08-27 21:54:32,132 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-27 21:54:32,143 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-27 21:54:32,168 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-27 21:54:32,203 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-27 21:54:32,204 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-27 21:54:32,204 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-27 21:54:32,204 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-27 21:54:32,204 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-27 21:54:32,204 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-27 21:54:32,204 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-27 21:54:32,205 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-27 21:54:32,233 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-27 21:54:32,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-08-27 21:54:32,249 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:54:32,250 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, 1, 1, 1, 1, 1, 1] [2020-08-27 21:54:32,251 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:54:32,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:54:32,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1821084561, now seen corresponding path program 1 times [2020-08-27 21:54:32,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:54:32,271 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1690520507] [2020-08-27 21:54:32,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:54:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:54:32,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:54:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:54:33,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-27 21:54:33,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1690520507] [2020-08-27 21:54:33,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-27 21:54:33,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-27 21:54:33,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056694090] [2020-08-27 21:54:33,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-27 21:54:33,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:54:33,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-27 21:54:33,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-27 21:54:33,062 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-27 21:54:35,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:54:35,613 INFO L93 Difference]: Finished difference Result 785 states and 1380 transitions. [2020-08-27 21:54:35,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-27 21:54:35,616 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-08-27 21:54:35,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:54:35,652 INFO L225 Difference]: With dead ends: 785 [2020-08-27 21:54:35,652 INFO L226 Difference]: Without dead ends: 481 [2020-08-27 21:54:35,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-27 21:54:35,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-08-27 21:54:35,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 472. [2020-08-27 21:54:35,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2020-08-27 21:54:35,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 643 transitions. [2020-08-27 21:54:35,768 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 643 transitions. Word has length 129 [2020-08-27 21:54:35,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:54:35,769 INFO L479 AbstractCegarLoop]: Abstraction has 472 states and 643 transitions. [2020-08-27 21:54:35,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-27 21:54:35,769 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 643 transitions. [2020-08-27 21:54:35,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-08-27 21:54:35,776 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:54:35,776 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:54:35,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-27 21:54:35,777 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:54:35,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:54:35,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1159828288, now seen corresponding path program 1 times [2020-08-27 21:54:35,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:54:35,778 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729662598] [2020-08-27 21:54:35,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:54:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:54:35,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:54:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:54:36,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-27 21:54:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:54:36,041 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-27 21:54:36,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729662598] [2020-08-27 21:54:36,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:54:36,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-27 21:54:36,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294749392] [2020-08-27 21:54:36,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-27 21:54:36,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:54:36,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-27 21:54:36,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-27 21:54:36,045 INFO L87 Difference]: Start difference. First operand 472 states and 643 transitions. Second operand 5 states. [2020-08-27 21:54:37,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:54:37,376 INFO L93 Difference]: Finished difference Result 1381 states and 1928 transitions. [2020-08-27 21:54:37,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-27 21:54:37,379 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2020-08-27 21:54:37,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:54:37,387 INFO L225 Difference]: With dead ends: 1381 [2020-08-27 21:54:37,387 INFO L226 Difference]: Without dead ends: 915 [2020-08-27 21:54:37,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-27 21:54:37,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2020-08-27 21:54:37,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 911. [2020-08-27 21:54:37,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 911 states. [2020-08-27 21:54:37,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1212 transitions. [2020-08-27 21:54:37,446 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1212 transitions. Word has length 138 [2020-08-27 21:54:37,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:54:37,447 INFO L479 AbstractCegarLoop]: Abstraction has 911 states and 1212 transitions. [2020-08-27 21:54:37,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-27 21:54:37,448 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1212 transitions. [2020-08-27 21:54:37,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-08-27 21:54:37,465 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:54:37,466 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:54:37,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-27 21:54:37,466 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:54:37,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:54:37,469 INFO L82 PathProgramCache]: Analyzing trace with hash -989124760, now seen corresponding path program 1 times [2020-08-27 21:54:37,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:54:37,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1063455998] [2020-08-27 21:54:37,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:54:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:54:37,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:54:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:54:37,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-27 21:54:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:54:37,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-27 21:54:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:54:37,732 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-27 21:54:37,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1063455998] [2020-08-27 21:54:37,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:54:37,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-27 21:54:37,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820572594] [2020-08-27 21:54:37,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-27 21:54:37,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:54:37,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-27 21:54:37,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-27 21:54:37,735 INFO L87 Difference]: Start difference. First operand 911 states and 1212 transitions. Second operand 8 states. [2020-08-27 21:54:39,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:54:39,632 INFO L93 Difference]: Finished difference Result 2135 states and 2928 transitions. [2020-08-27 21:54:39,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-27 21:54:39,632 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 160 [2020-08-27 21:54:39,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:54:39,641 INFO L225 Difference]: With dead ends: 2135 [2020-08-27 21:54:39,641 INFO L226 Difference]: Without dead ends: 1230 [2020-08-27 21:54:39,645 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 [2020-08-27 21:54:39,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2020-08-27 21:54:39,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1218. [2020-08-27 21:54:39,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2020-08-27 21:54:39,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1625 transitions. [2020-08-27 21:54:39,703 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1625 transitions. Word has length 160 [2020-08-27 21:54:39,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:54:39,704 INFO L479 AbstractCegarLoop]: Abstraction has 1218 states and 1625 transitions. [2020-08-27 21:54:39,704 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-27 21:54:39,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1625 transitions. [2020-08-27 21:54:39,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-08-27 21:54:39,714 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:54:39,714 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, 1, 1, 1, 1, 1, 1] [2020-08-27 21:54:39,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-27 21:54:39,715 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:54:39,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:54:39,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1429632528, now seen corresponding path program 1 times [2020-08-27 21:54:39,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:54:39,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1532248543] [2020-08-27 21:54:39,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:54:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:54:39,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:54:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:54:39,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-27 21:54:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:54:39,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-27 21:54:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:54:40,053 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-27 21:54:40,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1532248543] [2020-08-27 21:54:40,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:54:40,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-27 21:54:40,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463299710] [2020-08-27 21:54:40,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-27 21:54:40,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:54:40,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-27 21:54:40,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-27 21:54:40,058 INFO L87 Difference]: Start difference. First operand 1218 states and 1625 transitions. Second operand 7 states. [2020-08-27 21:54:43,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:54:43,223 INFO L93 Difference]: Finished difference Result 4050 states and 5470 transitions. [2020-08-27 21:54:43,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-27 21:54:43,224 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 164 [2020-08-27 21:54:43,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:54:43,236 INFO L225 Difference]: With dead ends: 4050 [2020-08-27 21:54:43,237 INFO L226 Difference]: Without dead ends: 1952 [2020-08-27 21:54:43,243 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 [2020-08-27 21:54:43,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1952 states. [2020-08-27 21:54:43,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1952 to 1656. [2020-08-27 21:54:43,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1656 states. [2020-08-27 21:54:43,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 2077 transitions. [2020-08-27 21:54:43,313 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 2077 transitions. Word has length 164 [2020-08-27 21:54:43,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:54:43,313 INFO L479 AbstractCegarLoop]: Abstraction has 1656 states and 2077 transitions. [2020-08-27 21:54:43,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-27 21:54:43,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2077 transitions. [2020-08-27 21:54:43,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-08-27 21:54:43,321 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:54:43,321 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:54:43,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-27 21:54:43,322 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:54:43,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:54:43,322 INFO L82 PathProgramCache]: Analyzing trace with hash 393752034, now seen corresponding path program 1 times [2020-08-27 21:54:43,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:54:43,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1863634194] [2020-08-27 21:54:43,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:54:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:54:43,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:54:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:54:43,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-27 21:54:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:54:43,592 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-27 21:54:43,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1863634194] [2020-08-27 21:54:43,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-27 21:54:43,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-27 21:54:43,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623364618] [2020-08-27 21:54:43,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-27 21:54:43,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:54:43,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-27 21:54:43,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-27 21:54:43,595 INFO L87 Difference]: Start difference. First operand 1656 states and 2077 transitions. Second operand 8 states. [2020-08-27 21:54:45,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:54:45,722 INFO L93 Difference]: Finished difference Result 5260 states and 6877 transitions. [2020-08-27 21:54:45,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-27 21:54:45,727 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 196 [2020-08-27 21:54:45,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:54:45,728 INFO L225 Difference]: With dead ends: 5260 [2020-08-27 21:54:45,728 INFO L226 Difference]: Without dead ends: 0 [2020-08-27 21:54:45,741 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 [2020-08-27 21:54:45,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-27 21:54:45,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-27 21:54:45,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-27 21:54:45,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-27 21:54:45,743 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 196 [2020-08-27 21:54:45,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:54:45,743 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-27 21:54:45,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-27 21:54:45,743 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-27 21:54:45,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-27 21:54:45,744 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-27 21:54:45,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-27 21:54:46,901 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 31 [2020-08-27 21:54:47,006 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 31 [2020-08-27 21:54:47,922 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 40 [2020-08-27 21:54:48,238 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-08-27 21:54:48,496 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-08-27 21:54:48,501 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-27 21:54:48,501 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)|)) [2020-08-27 21:54:48,502 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-27 21:54:48,502 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,502 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,502 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,502 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,502 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,503 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-27 21:54:48,503 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-27 21:54:48,503 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-27 21:54:48,503 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-27 21:54:48,503 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-27 21:54:48,503 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-27 21:54:48,503 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-27 21:54:48,504 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-27 21:54:48,507 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-27 21:54:48,507 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-27 21:54:48,507 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-27 21:54:48,507 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-27 21:54:48,508 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-27 21:54:48,508 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,508 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,508 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,508 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,508 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-27 21:54:48,508 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,509 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-27 21:54:48,511 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-27 21:54:48,512 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-27 21:54:48,512 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-27 21:54:48,512 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-27 21:54:48,512 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-27 21:54:48,512 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-27 21:54:48,512 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-27 21:54:48,512 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-27 21:54:48,513 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-27 21:54:48,513 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-27 21:54:48,513 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-27 21:54:48,513 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-27 21:54:48,513 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-27 21:54:48,513 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-27 21:54:48,513 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,514 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,514 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,514 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,514 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,514 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 541) no Hoare annotation was computed. [2020-08-27 21:54:48,514 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-27 21:54:48,514 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-27 21:54:48,515 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-27 21:54:48,517 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-27 21:54:48,517 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-27 21:54:48,518 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-27 21:54:48,518 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-27 21:54:48,518 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-27 21:54:48,518 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-27 21:54:48,518 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-27 21:54:48,518 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-27 21:54:48,518 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,518 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,519 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,519 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,519 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,519 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-27 21:54:48,519 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-27 21:54:48,519 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-27 21:54:48,519 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-27 21:54:48,519 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-27 21:54:48,520 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-27 21:54:48,520 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-27 21:54:48,520 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-27 21:54:48,520 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-27 21:54:48,520 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-27 21:54:48,520 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-27 21:54:48,520 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-27 21:54:48,522 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-27 21:54:48,522 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,522 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,522 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,522 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,522 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,523 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-27 21:54:48,523 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-27 21:54:48,523 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-27 21:54:48,523 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-27 21:54:48,523 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-27 21:54:48,523 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-27 21:54:48,523 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-27 21:54:48,524 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-27 21:54:48,524 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-27 21:54:48,524 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-27 21:54:48,524 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-27 21:54:48,524 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-27 21:54:48,524 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-27 21:54:48,524 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-27 21:54:48,525 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-27 21:54:48,525 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-27 21:54:48,525 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,525 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,525 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,525 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,525 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-27 21:54:48,525 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,526 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-27 21:54:48,526 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,526 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-27 21:54:48,526 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-27 21:54:48,526 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-27 21:54:48,526 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,526 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,527 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-27 21:54:48,527 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-27 21:54:48,527 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-27 21:54:48,528 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-27 21:54:48,528 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-27 21:54:48,528 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-27 21:54:48,528 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-27 21:54:48,528 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-27 21:54:48,528 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-27 21:54:48,528 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-27 21:54:48,529 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-27 21:54:48,529 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,529 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,529 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,529 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,529 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,529 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,530 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-27 21:54:48,530 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-27 21:54:48,530 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-27 21:54:48,530 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-27 21:54:48,530 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-27 21:54:48,530 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-27 21:54:48,530 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-27 21:54:48,533 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-27 21:54:48,534 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-27 21:54:48,534 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-27 21:54:48,534 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-27 21:54:48,534 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,534 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,534 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,534 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,535 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,542 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,542 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-27 21:54:48,542 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-27 21:54:48,543 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-27 21:54:48,543 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-27 21:54:48,543 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-27 21:54:48,543 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-27 21:54:48,543 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-27 21:54:48,543 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-27 21:54:48,543 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-27 21:54:48,543 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-27 21:54:48,543 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-27 21:54:48,543 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-27 21:54:48,543 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-27 21:54:48,543 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-27 21:54:48,544 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,544 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,544 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,545 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))) [2020-08-27 21:54:48,545 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,545 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,545 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,545 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-27 21:54:48,545 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-27 21:54:48,545 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-27 21:54:48,545 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-27 21:54:48,545 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-27 21:54:48,546 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-27 21:54:48,546 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-27 21:54:48,546 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-27 21:54:48,546 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-27 21:54:48,546 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-27 21:54:48,546 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-27 21:54:48,546 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-27 21:54:48,546 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-27 21:54:48,547 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,548 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,548 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,548 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,548 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,548 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,548 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-27 21:54:48,548 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-27 21:54:48,548 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-27 21:54:48,548 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-27 21:54:48,548 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-27 21:54:48,549 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-27 21:54:48,549 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-27 21:54:48,549 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-27 21:54:48,549 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-27 21:54:48,550 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-27 21:54:48,550 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-27 21:54:48,550 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-27 21:54:48,550 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-27 21:54:48,550 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-27 21:54:48,550 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-27 21:54:48,550 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-27 21:54:48,550 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,550 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,550 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,550 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,550 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:54:48,551 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-27 21:54:48,551 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-27 21:54:48,551 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-27 21:54:48,551 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-27 21:54:48,551 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-27 21:54:48,551 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-27 21:54:48,551 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-27 21:54:48,551 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-27 21:54:48,551 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-27 21:54:48,551 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-27 21:54:48,551 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-27 21:54:48,551 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-27 21:54:48,552 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-27 21:54:48,552 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-27 21:54:48,552 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-27 21:54:48,552 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-27 21:54:48,552 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-27 21:54:48,552 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-27 21:54:48,552 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-27 21:54:48,552 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-27 21:54:48,552 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)) [2020-08-27 21:54:48,552 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-27 21:54:48,552 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-27 21:54:48,553 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)|)) [2020-08-27 21:54:48,553 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))) [2020-08-27 21:54:48,553 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-27 21:54:48,553 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-27 21:54:48,553 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))) [2020-08-27 21:54:48,553 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-27 21:54:48,553 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-27 21:54:48,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 09:54:48 BoogieIcfgContainer [2020-08-27 21:54:48,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-27 21:54:48,588 INFO L168 Benchmark]: Toolchain (without parser) took 18716.13 ms. Allocated memory was 138.9 MB in the beginning and 428.3 MB in the end (delta: 289.4 MB). Free memory was 99.3 MB in the beginning and 197.9 MB in the end (delta: -98.6 MB). Peak memory consumption was 303.0 MB. Max. memory is 7.1 GB. [2020-08-27 21:54:48,589 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-27 21:54:48,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 820.36 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 98.9 MB in the beginning and 171.2 MB in the end (delta: -72.3 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2020-08-27 21:54:48,598 INFO L168 Benchmark]: Boogie Preprocessor took 124.80 ms. Allocated memory is still 204.5 MB. Free memory was 171.2 MB in the beginning and 166.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-08-27 21:54:48,599 INFO L168 Benchmark]: RCFGBuilder took 1291.13 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 166.2 MB in the beginning and 181.0 MB in the end (delta: -14.8 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2020-08-27 21:54:48,600 INFO L168 Benchmark]: TraceAbstraction took 16474.34 ms. Allocated memory was 236.5 MB in the beginning and 428.3 MB in the end (delta: 191.9 MB). Free memory was 181.0 MB in the beginning and 197.9 MB in the end (delta: -16.9 MB). Peak memory consumption was 287.2 MB. Max. memory is 7.1 GB. [2020-08-27 21:54:48,612 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 820.36 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 98.9 MB in the beginning and 171.2 MB in the end (delta: -72.3 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.80 ms. Allocated memory is still 204.5 MB. Free memory was 171.2 MB in the beginning and 166.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1291.13 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 166.2 MB in the beginning and 181.0 MB in the end (delta: -14.8 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16474.34 ms. Allocated memory was 236.5 MB in the beginning and 428.3 MB in the end (delta: 191.9 MB). Free memory was 181.0 MB in the beginning and 197.9 MB in the end (delta: -16.9 MB). Peak memory consumption was 287.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 541]: 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: 13.5s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 197 SDtfs, 3334 SDslu, 271 SDs, 0 SdLazy, 5045 SolverSat, 1146 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.1s 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, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2411 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 787 NumberOfCodeBlocks, 787 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 782 ConstructedInterpolants, 0 QuantifiedInterpolants, 361985 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...