/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 21:10:29,679 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 21:10:29,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 21:10:29,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 21:10:29,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 21:10:29,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 21:10:29,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 21:10:29,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 21:10:29,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 21:10:29,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 21:10:29,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 21:10:29,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 21:10:29,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 21:10:29,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 21:10:29,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 21:10:29,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 21:10:29,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 21:10:29,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 21:10:29,757 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 21:10:29,800 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 21:10:29,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 21:10:29,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 21:10:29,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 21:10:29,803 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 21:10:29,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 21:10:29,803 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 21:10:29,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 21:10:29,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 21:10:29,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 21:10:29,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 21:10:29,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 21:10:29,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 21:10:29,805 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 21:10:29,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 21:10:29,807 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 21:10:29,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 21:10:29,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 21:10:29,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 21:10:29,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 21:10:29,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 21:10:29,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 21:10:29,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 21:10:29,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 21:10:29,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 21:10:29,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 21:10:29,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 21:10:29,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 21:10:29,809 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 21:10:29,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=DEEPEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=DEEPEST; [2020-08-18 21:10:30,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 21:10:30,150 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 21:10:30,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 21:10:30,155 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 21:10:30,155 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 21:10:30,156 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label17.c [2020-08-18 21:10:30,216 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/41fc09e19/6fe029e05c674627a0a8ad7d55c6db87/FLAGbf13b5d41 [2020-08-18 21:10:30,802 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 21:10:30,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label17.c [2020-08-18 21:10:30,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/41fc09e19/6fe029e05c674627a0a8ad7d55c6db87/FLAGbf13b5d41 [2020-08-18 21:10:31,099 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/41fc09e19/6fe029e05c674627a0a8ad7d55c6db87 [2020-08-18 21:10:31,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 21:10:31,112 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 21:10:31,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 21:10:31,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 21:10:31,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 21:10:31,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:10:31" (1/1) ... [2020-08-18 21:10:31,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a32a894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:10:31, skipping insertion in model container [2020-08-18 21:10:31,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:10:31" (1/1) ... [2020-08-18 21:10:31,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 21:10:31,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 21:10:31,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:10:31,815 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 21:10:31,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:10:31,935 INFO L208 MainTranslator]: Completed translation [2020-08-18 21:10:31,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:10:31 WrapperNode [2020-08-18 21:10:31,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 21:10:31,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 21:10:31,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 21:10:31,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 21:10:31,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:10:31" (1/1) ... [2020-08-18 21:10:31,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:10:31" (1/1) ... [2020-08-18 21:10:31,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:10:31" (1/1) ... [2020-08-18 21:10:31,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:10:31" (1/1) ... [2020-08-18 21:10:32,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:10:31" (1/1) ... [2020-08-18 21:10:32,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:10:31" (1/1) ... [2020-08-18 21:10:32,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:10:31" (1/1) ... [2020-08-18 21:10:32,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 21:10:32,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 21:10:32,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 21:10:32,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 21:10:32,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:10:31" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 21:10:32,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 21:10:32,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 21:10:32,151 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 21:10:32,152 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 21:10:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 21:10:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 21:10:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 21:10:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 21:10:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 21:10:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 21:10:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 21:10:33,336 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 21:10:33,337 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 21:10:33,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:10:33 BoogieIcfgContainer [2020-08-18 21:10:33,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 21:10:33,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 21:10:33,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 21:10:33,349 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 21:10:33,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 09:10:31" (1/3) ... [2020-08-18 21:10:33,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db37c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:10:33, skipping insertion in model container [2020-08-18 21:10:33,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:10:31" (2/3) ... [2020-08-18 21:10:33,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db37c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:10:33, skipping insertion in model container [2020-08-18 21:10:33,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:10:33" (3/3) ... [2020-08-18 21:10:33,353 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label17.c [2020-08-18 21:10:33,365 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 21:10:33,373 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 21:10:33,390 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 21:10:33,416 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 21:10:33,417 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 21:10:33,417 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 21:10:33,417 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 21:10:33,418 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 21:10:33,418 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 21:10:33,418 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 21:10:33,418 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 21:10:33,442 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-18 21:10:33,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-08-18 21:10:33,450 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:10:33,451 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] [2020-08-18 21:10:33,452 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:10:33,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:10:33,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1025349313, now seen corresponding path program 1 times [2020-08-18 21:10:33,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:10:33,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [676144245] [2020-08-18 21:10:33,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:10:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:10:33,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:10:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:10:33,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:10:33,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [676144245] [2020-08-18 21:10:33,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:10:33,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 21:10:33,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553308580] [2020-08-18 21:10:33,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 21:10:33,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:10:33,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 21:10:33,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 21:10:33,809 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-08-18 21:10:35,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:10:35,548 INFO L93 Difference]: Finished difference Result 596 states and 1021 transitions. [2020-08-18 21:10:35,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 21:10:35,551 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-08-18 21:10:35,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:10:35,585 INFO L225 Difference]: With dead ends: 596 [2020-08-18 21:10:35,585 INFO L226 Difference]: Without dead ends: 302 [2020-08-18 21:10:35,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 21:10:35,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-08-18 21:10:35,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-08-18 21:10:35,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-08-18 21:10:35,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 430 transitions. [2020-08-18 21:10:35,726 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 430 transitions. Word has length 36 [2020-08-18 21:10:35,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:10:35,728 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 430 transitions. [2020-08-18 21:10:35,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 21:10:35,729 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 430 transitions. [2020-08-18 21:10:35,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-18 21:10:35,753 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:10:35,753 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:10:35,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 21:10:35,757 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:10:35,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:10:35,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1168948250, now seen corresponding path program 1 times [2020-08-18 21:10:35,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:10:35,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [425767359] [2020-08-18 21:10:35,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:10:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:10:35,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:10:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:10:35,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 21:10:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:10:36,104 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:10:36,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [425767359] [2020-08-18 21:10:36,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:10:36,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 21:10:36,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262193478] [2020-08-18 21:10:36,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 21:10:36,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:10:36,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 21:10:36,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 21:10:36,109 INFO L87 Difference]: Start difference. First operand 298 states and 430 transitions. Second operand 8 states. [2020-08-18 21:10:38,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:10:38,283 INFO L93 Difference]: Finished difference Result 1198 states and 1805 transitions. [2020-08-18 21:10:38,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 21:10:38,284 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 110 [2020-08-18 21:10:38,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:10:38,291 INFO L225 Difference]: With dead ends: 1198 [2020-08-18 21:10:38,291 INFO L226 Difference]: Without dead ends: 906 [2020-08-18 21:10:38,293 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-18 21:10:38,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2020-08-18 21:10:38,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 894. [2020-08-18 21:10:38,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-08-18 21:10:38,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1231 transitions. [2020-08-18 21:10:38,363 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1231 transitions. Word has length 110 [2020-08-18 21:10:38,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:10:38,364 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1231 transitions. [2020-08-18 21:10:38,364 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 21:10:38,364 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1231 transitions. [2020-08-18 21:10:38,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-08-18 21:10:38,370 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:10:38,371 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:10:38,371 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 21:10:38,371 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:10:38,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:10:38,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1710537437, now seen corresponding path program 1 times [2020-08-18 21:10:38,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:10:38,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [118778083] [2020-08-18 21:10:38,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:10:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:10:38,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:10:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:10:38,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 21:10:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:10:38,628 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:10:38,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [118778083] [2020-08-18 21:10:38,629 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:10:38,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 21:10:38,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144517418] [2020-08-18 21:10:38,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 21:10:38,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:10:38,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 21:10:38,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 21:10:38,632 INFO L87 Difference]: Start difference. First operand 894 states and 1231 transitions. Second operand 5 states. [2020-08-18 21:10:39,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:10:39,914 INFO L93 Difference]: Finished difference Result 2080 states and 2930 transitions. [2020-08-18 21:10:39,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 21:10:39,917 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 115 [2020-08-18 21:10:39,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:10:39,929 INFO L225 Difference]: With dead ends: 2080 [2020-08-18 21:10:39,930 INFO L226 Difference]: Without dead ends: 1192 [2020-08-18 21:10:39,933 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 21:10:39,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2020-08-18 21:10:39,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1188. [2020-08-18 21:10:39,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1188 states. [2020-08-18 21:10:39,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 1188 states and 1611 transitions. [2020-08-18 21:10:39,992 INFO L78 Accepts]: Start accepts. Automaton has 1188 states and 1611 transitions. Word has length 115 [2020-08-18 21:10:39,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:10:39,994 INFO L479 AbstractCegarLoop]: Abstraction has 1188 states and 1611 transitions. [2020-08-18 21:10:39,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 21:10:39,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1611 transitions. [2020-08-18 21:10:40,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-08-18 21:10:40,009 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:10:40,010 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:10:40,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 21:10:40,010 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:10:40,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:10:40,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1140420541, now seen corresponding path program 1 times [2020-08-18 21:10:40,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:10:40,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [948215572] [2020-08-18 21:10:40,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:10:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:10:40,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:10:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:10:40,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 21:10:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:10:40,274 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:10:40,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [948215572] [2020-08-18 21:10:40,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:10:40,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 21:10:40,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914486442] [2020-08-18 21:10:40,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 21:10:40,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:10:40,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 21:10:40,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 21:10:40,277 INFO L87 Difference]: Start difference. First operand 1188 states and 1611 transitions. Second operand 8 states. [2020-08-18 21:10:41,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:10:41,878 INFO L93 Difference]: Finished difference Result 3008 states and 4225 transitions. [2020-08-18 21:10:41,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 21:10:41,879 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 131 [2020-08-18 21:10:41,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:10:41,890 INFO L225 Difference]: With dead ends: 3008 [2020-08-18 21:10:41,890 INFO L226 Difference]: Without dead ends: 1826 [2020-08-18 21:10:41,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-08-18 21:10:41,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2020-08-18 21:10:41,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1639. [2020-08-18 21:10:41,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1639 states. [2020-08-18 21:10:41,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 2053 transitions. [2020-08-18 21:10:41,950 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 2053 transitions. Word has length 131 [2020-08-18 21:10:41,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:10:41,950 INFO L479 AbstractCegarLoop]: Abstraction has 1639 states and 2053 transitions. [2020-08-18 21:10:41,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 21:10:41,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 2053 transitions. [2020-08-18 21:10:41,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-08-18 21:10:41,953 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:10:41,953 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:10:41,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 21:10:41,954 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:10:41,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:10:41,954 INFO L82 PathProgramCache]: Analyzing trace with hash 686602382, now seen corresponding path program 1 times [2020-08-18 21:10:41,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:10:41,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [811946381] [2020-08-18 21:10:41,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:10:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:10:42,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:10:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:10:42,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 21:10:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:10:42,184 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:10:42,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [811946381] [2020-08-18 21:10:42,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:10:42,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 21:10:42,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215993848] [2020-08-18 21:10:42,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 21:10:42,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:10:42,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 21:10:42,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 21:10:42,187 INFO L87 Difference]: Start difference. First operand 1639 states and 2053 transitions. Second operand 7 states. [2020-08-18 21:10:43,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:10:43,474 INFO L93 Difference]: Finished difference Result 3451 states and 4324 transitions. [2020-08-18 21:10:43,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 21:10:43,477 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2020-08-18 21:10:43,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:10:43,488 INFO L225 Difference]: With dead ends: 3451 [2020-08-18 21:10:43,488 INFO L226 Difference]: Without dead ends: 1818 [2020-08-18 21:10:43,493 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-18 21:10:43,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2020-08-18 21:10:43,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1800. [2020-08-18 21:10:43,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1800 states. [2020-08-18 21:10:43,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1800 states and 2236 transitions. [2020-08-18 21:10:43,546 INFO L78 Accepts]: Start accepts. Automaton has 1800 states and 2236 transitions. Word has length 132 [2020-08-18 21:10:43,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:10:43,547 INFO L479 AbstractCegarLoop]: Abstraction has 1800 states and 2236 transitions. [2020-08-18 21:10:43,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 21:10:43,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2236 transitions. [2020-08-18 21:10:43,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-08-18 21:10:43,550 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:10:43,551 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-08-18 21:10:43,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 21:10:43,551 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:10:43,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:10:43,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1425937487, now seen corresponding path program 1 times [2020-08-18 21:10:43,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:10:43,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1820845853] [2020-08-18 21:10:43,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:10:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:10:43,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:10:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:10:43,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 21:10:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:10:43,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-18 21:10:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:10:43,810 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 50 proven. 8 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-08-18 21:10:43,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1820845853] [2020-08-18 21:10:43,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:10:43,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 21:10:43,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582209773] [2020-08-18 21:10:43,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 21:10:43,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:10:43,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 21:10:43,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-18 21:10:43,814 INFO L87 Difference]: Start difference. First operand 1800 states and 2236 transitions. Second operand 7 states. [2020-08-18 21:10:46,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:10:46,118 INFO L93 Difference]: Finished difference Result 2825 states and 3612 transitions. [2020-08-18 21:10:46,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 21:10:46,127 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 202 [2020-08-18 21:10:46,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:10:46,160 INFO L225 Difference]: With dead ends: 2825 [2020-08-18 21:10:46,161 INFO L226 Difference]: Without dead ends: 2823 [2020-08-18 21:10:46,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-08-18 21:10:46,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2823 states. [2020-08-18 21:10:46,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2823 to 1951. [2020-08-18 21:10:46,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1951 states. [2020-08-18 21:10:46,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1951 states and 2467 transitions. [2020-08-18 21:10:46,334 INFO L78 Accepts]: Start accepts. Automaton has 1951 states and 2467 transitions. Word has length 202 [2020-08-18 21:10:46,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:10:46,336 INFO L479 AbstractCegarLoop]: Abstraction has 1951 states and 2467 transitions. [2020-08-18 21:10:46,336 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 21:10:46,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2467 transitions. [2020-08-18 21:10:46,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-08-18 21:10:46,345 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:10:46,346 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-08-18 21:10:46,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 21:10:46,346 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:10:46,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:10:46,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1497549686, now seen corresponding path program 1 times [2020-08-18 21:10:46,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:10:46,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1926175611] [2020-08-18 21:10:46,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:10:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:10:46,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:10:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:10:46,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 21:10:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:10:46,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-18 21:10:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:10:46,743 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-08-18 21:10:46,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1926175611] [2020-08-18 21:10:46,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:10:46,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 21:10:46,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132988191] [2020-08-18 21:10:46,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 21:10:46,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:10:46,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 21:10:46,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 21:10:46,747 INFO L87 Difference]: Start difference. First operand 1951 states and 2467 transitions. Second operand 5 states. [2020-08-18 21:10:48,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:10:48,151 INFO L93 Difference]: Finished difference Result 3757 states and 4792 transitions. [2020-08-18 21:10:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 21:10:48,152 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 225 [2020-08-18 21:10:48,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:10:48,152 INFO L225 Difference]: With dead ends: 3757 [2020-08-18 21:10:48,153 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 21:10:48,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 21:10:48,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 21:10:48,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 21:10:48,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 21:10:48,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 21:10:48,167 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 225 [2020-08-18 21:10:48,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:10:48,167 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 21:10:48,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 21:10:48,167 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 21:10:48,167 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 21:10:48,168 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 21:10:48,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 21:10:48,754 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 35 [2020-08-18 21:10:48,883 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-08-18 21:10:48,993 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-08-18 21:10:48,997 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:10:48,998 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-08-18 21:10:48,998 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:10:48,998 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-18 21:10:48,999 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:48,999 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:48,999 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:48,999 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,000 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,000 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,000 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-18 21:10:49,000 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-18 21:10:49,000 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-18 21:10:49,000 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-18 21:10:49,001 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-18 21:10:49,001 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-18 21:10:49,001 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-18 21:10:49,001 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-18 21:10:49,001 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-18 21:10:49,001 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-18 21:10:49,001 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-18 21:10:49,001 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,002 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,002 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,002 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,002 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,002 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-18 21:10:49,002 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-18 21:10:49,002 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-18 21:10:49,002 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-18 21:10:49,002 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-18 21:10:49,003 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-18 21:10:49,003 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-18 21:10:49,003 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-18 21:10:49,003 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-18 21:10:49,003 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-18 21:10:49,003 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-18 21:10:49,003 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-18 21:10:49,003 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-18 21:10:49,003 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 94) no Hoare annotation was computed. [2020-08-18 21:10:49,004 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-18 21:10:49,004 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,004 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,004 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,004 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,004 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,004 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-18 21:10:49,005 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 21:10:49,005 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-18 21:10:49,005 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-18 21:10:49,005 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-18 21:10:49,005 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-18 21:10:49,005 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-18 21:10:49,005 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-18 21:10:49,006 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-18 21:10:49,006 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-18 21:10:49,006 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,006 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,006 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,006 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,006 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,007 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-18 21:10:49,007 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-18 21:10:49,007 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-18 21:10:49,007 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-18 21:10:49,007 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-18 21:10:49,007 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-18 21:10:49,007 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-18 21:10:49,008 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-18 21:10:49,008 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-18 21:10:49,008 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-18 21:10:49,008 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-18 21:10:49,008 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-18 21:10:49,008 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-18 21:10:49,008 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,009 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,009 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,009 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,009 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,009 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-18 21:10:49,009 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-18 21:10:49,009 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-18 21:10:49,010 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 21:10:49,010 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-18 21:10:49,010 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-18 21:10:49,010 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-18 21:10:49,010 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-18 21:10:49,010 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-18 21:10:49,010 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,010 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,011 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,011 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,011 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,011 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,011 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,011 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-18 21:10:49,011 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-18 21:10:49,011 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-18 21:10:49,012 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-18 21:10:49,012 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-18 21:10:49,012 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-18 21:10:49,012 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 21:10:49,012 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 21:10:49,012 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-18 21:10:49,012 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-18 21:10:49,012 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-18 21:10:49,013 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-18 21:10:49,013 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-18 21:10:49,013 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,013 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,013 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,013 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,013 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-18 21:10:49,014 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,014 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,014 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-18 21:10:49,014 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-18 21:10:49,014 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-18 21:10:49,014 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-18 21:10:49,014 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-18 21:10:49,015 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-18 21:10:49,015 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 21:10:49,015 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-18 21:10:49,015 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-18 21:10:49,015 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-18 21:10:49,015 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-18 21:10:49,015 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-18 21:10:49,015 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-18 21:10:49,015 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,015 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,015 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,016 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,016 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,016 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,016 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-18 21:10:49,016 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-18 21:10:49,016 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-18 21:10:49,016 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-18 21:10:49,016 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-18 21:10:49,016 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-18 21:10:49,016 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 21:10:49,016 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-18 21:10:49,017 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-18 21:10:49,017 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-18 21:10:49,017 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-18 21:10:49,017 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (= 6 |old(~a19~0)|)) (.cse1 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse2 (not (<= |old(~a19~0)| 9)))) (and (or .cse0 .cse1 .cse2) (or (not (<= |old(~a10~0)| 0)) .cse1) (or .cse1 (not (<= |old(~a1~0)| 23)) .cse2) (or .cse0 .cse1 (not (= |old(~a10~0)| 1))) (or (not (= 3 |old(~a10~0)|)) .cse1 .cse2))) [2020-08-18 21:10:49,017 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-18 21:10:49,017 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-18 21:10:49,017 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-18 21:10:49,018 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,018 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,018 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,018 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,018 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,018 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,018 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-18 21:10:49,018 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 21:10:49,019 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-18 21:10:49,019 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-18 21:10:49,019 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-18 21:10:49,019 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-18 21:10:49,019 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-18 21:10:49,019 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-18 21:10:49,019 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-18 21:10:49,019 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-18 21:10:49,020 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-18 21:10:49,020 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-18 21:10:49,020 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-18 21:10:49,020 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,020 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,020 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,020 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,021 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,021 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,021 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-18 21:10:49,021 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-18 21:10:49,021 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-18 21:10:49,021 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-18 21:10:49,021 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-18 21:10:49,021 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-18 21:10:49,021 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-18 21:10:49,021 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-18 21:10:49,022 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-18 21:10:49,022 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-18 21:10:49,022 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-18 21:10:49,022 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-18 21:10:49,022 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,022 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,022 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,022 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,022 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,022 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:10:49,023 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-18 21:10:49,023 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-18 21:10:49,023 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-18 21:10:49,023 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-18 21:10:49,023 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-18 21:10:49,023 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-18 21:10:49,023 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-18 21:10:49,023 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-18 21:10:49,024 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-18 21:10:49,024 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-18 21:10:49,024 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-18 21:10:49,024 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-18 21:10:49,024 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:10:49,024 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 23 ~a1~0) (= 14 ~a4~0) (= ~a12~0 0) (= ~a19~0 9) (<= ~a1~0 23)) [2020-08-18 21:10:49,025 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 21:10:49,025 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:10:49,025 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (= ~a12~0 0))) [2020-08-18 21:10:49,025 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-18 21:10:49,025 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (not (= ~a19~0 6))) (.cse0 (<= ~a19~0 9))) (or (not (<= 23 |old(~a1~0)|)) (<= ~a10~0 0) (and .cse0 (<= ~a1~0 23)) (not (<= |old(~a10~0)| 0)) (and (= ~a10~0 3) .cse0) (and (= ~a10~0 1) .cse1) (and .cse1 .cse0) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (= ~a12~0 0)))) [2020-08-18 21:10:49,026 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-18 21:10:49,026 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-18 21:10:49,026 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (not (= ~a19~0 6))) (.cse0 (<= ~a19~0 9))) (or (not (<= 23 |old(~a1~0)|)) (<= ~a10~0 0) (and .cse0 (<= ~a1~0 23)) (not (<= |old(~a10~0)| 0)) (and (= ~a10~0 3) .cse0) (and (= ~a10~0 1) .cse1) (and .cse1 .cse0) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (= ~a12~0 0)))) [2020-08-18 21:10:49,026 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-18 21:10:49,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 09:10:49 BoogieIcfgContainer [2020-08-18 21:10:49,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 21:10:49,055 INFO L168 Benchmark]: Toolchain (without parser) took 17943.09 ms. Allocated memory was 145.8 MB in the beginning and 427.8 MB in the end (delta: 282.1 MB). Free memory was 102.7 MB in the beginning and 188.0 MB in the end (delta: -85.3 MB). Peak memory consumption was 196.7 MB. Max. memory is 7.1 GB. [2020-08-18 21:10:49,055 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 145.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 21:10:49,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 827.07 ms. Allocated memory was 145.8 MB in the beginning and 205.5 MB in the end (delta: 59.8 MB). Free memory was 102.5 MB in the beginning and 170.8 MB in the end (delta: -68.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2020-08-18 21:10:49,057 INFO L168 Benchmark]: Boogie Preprocessor took 132.34 ms. Allocated memory is still 205.5 MB. Free memory was 170.8 MB in the beginning and 166.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-18 21:10:49,058 INFO L168 Benchmark]: RCFGBuilder took 1270.89 ms. Allocated memory was 205.5 MB in the beginning and 236.5 MB in the end (delta: 30.9 MB). Free memory was 165.9 MB in the beginning and 176.7 MB in the end (delta: -10.8 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2020-08-18 21:10:49,059 INFO L168 Benchmark]: TraceAbstraction took 15707.53 ms. Allocated memory was 236.5 MB in the beginning and 427.8 MB in the end (delta: 191.4 MB). Free memory was 176.7 MB in the beginning and 188.0 MB in the end (delta: -11.3 MB). Peak memory consumption was 180.1 MB. Max. memory is 7.1 GB. [2020-08-18 21:10:49,063 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 145.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 827.07 ms. Allocated memory was 145.8 MB in the beginning and 205.5 MB in the end (delta: 59.8 MB). Free memory was 102.5 MB in the beginning and 170.8 MB in the end (delta: -68.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.34 ms. Allocated memory is still 205.5 MB. Free memory was 170.8 MB in the beginning and 166.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1270.89 ms. Allocated memory was 205.5 MB in the beginning and 236.5 MB in the end (delta: 30.9 MB). Free memory was 165.9 MB in the beginning and 176.7 MB in the end (delta: -10.8 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15707.53 ms. Allocated memory was 236.5 MB in the beginning and 427.8 MB in the end (delta: 191.4 MB). Free memory was 176.7 MB in the beginning and 188.0 MB in the end (delta: -11.3 MB). Peak memory consumption was 180.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 94]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((!(23 <= \old(a1)) || a10 <= 0) || (a19 <= 9 && a1 <= 23)) || !(\old(a10) <= 0)) || (a10 == 3 && a19 <= 9)) || (a10 == 1 && !(a19 == 6))) || (!(a19 == 6) && a19 <= 9)) || !(9 == \old(a19))) || !(\old(a1) <= 23)) || !(14 == a4)) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.7s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 11.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 174 SDtfs, 3789 SDslu, 233 SDs, 0 SdLazy, 5925 SolverSat, 917 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1951occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 1097 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 59 PreInvPairs, 85 NumberOfFragments, 295 HoareAnnotationTreeSize, 59 FomulaSimplifications, 8790 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1109 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 951 NumberOfCodeBlocks, 951 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 944 ConstructedInterpolants, 0 QuantifiedInterpolants, 327901 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 361/372 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...