/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=NARROWEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label22.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 21:58:55,806 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 21:58:55,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 21:58:55,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 21:58:55,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 21:58:55,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 21:58:55,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 21:58:55,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 21:58:55,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 21:58:55,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 21:58:55,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 21:58:55,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 21:58:55,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 21:58:55,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 21:58:55,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 21:58:55,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 21:58:55,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 21:58:55,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 21:58:55,930 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 21:58:55,951 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 21:58:55,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 21:58:55,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 21:58:55,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 21:58:55,953 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 21:58:55,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 21:58:55,954 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 21:58:55,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 21:58:55,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 21:58:55,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 21:58:55,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 21:58:55,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 21:58:55,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 21:58:55,955 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 21:58:55,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 21:58:55,956 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 21:58:55,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 21:58:55,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 21:58:55,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 21:58:55,956 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 21:58:55,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 21:58:55,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 21:58:55,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 21:58:55,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 21:58:55,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 21:58:55,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 21:58:55,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 21:58:55,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 21:58:55,958 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 21:58:55,958 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=NARROWEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=NARROWEST; [2020-08-18 21:58:56,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 21:58:56,248 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 21:58:56,252 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 21:58:56,253 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 21:58:56,254 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 21:58:56,255 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label22.c [2020-08-18 21:58:56,319 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a9c63695e/0ff3d3186dbd4cddb9d98d9f907eb082/FLAGcedf39248 [2020-08-18 21:58:56,838 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 21:58:56,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label22.c [2020-08-18 21:58:56,859 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a9c63695e/0ff3d3186dbd4cddb9d98d9f907eb082/FLAGcedf39248 [2020-08-18 21:58:57,160 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a9c63695e/0ff3d3186dbd4cddb9d98d9f907eb082 [2020-08-18 21:58:57,172 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 21:58:57,174 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 21:58:57,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 21:58:57,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 21:58:57,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 21:58:57,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:58:57" (1/1) ... [2020-08-18 21:58:57,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:58:57, skipping insertion in model container [2020-08-18 21:58:57,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:58:57" (1/1) ... [2020-08-18 21:58:57,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 21:58:57,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 21:58:57,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:58:57,810 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 21:58:57,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:58:57,981 INFO L208 MainTranslator]: Completed translation [2020-08-18 21:58:57,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:58:57 WrapperNode [2020-08-18 21:58:57,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 21:58:57,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 21:58:57,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 21:58:57,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 21:58:57,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:58:57" (1/1) ... [2020-08-18 21:58:57,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:58:57" (1/1) ... [2020-08-18 21:58:58,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:58:57" (1/1) ... [2020-08-18 21:58:58,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:58:57" (1/1) ... [2020-08-18 21:58:58,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:58:57" (1/1) ... [2020-08-18 21:58:58,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:58:57" (1/1) ... [2020-08-18 21:58:58,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:58:57" (1/1) ... [2020-08-18 21:58:58,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 21:58:58,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 21:58:58,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 21:58:58,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 21:58:58,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:58:57" (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 21:58:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 21:58:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 21:58:58,175 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 21:58:58,175 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 21:58:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 21:58:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 21:58:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 21:58:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 21:58:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 21:58:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 21:58:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 21:58:59,610 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 21:58:59,610 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 21:58:59,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:58:59 BoogieIcfgContainer [2020-08-18 21:58:59,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 21:58:59,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 21:58:59,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 21:58:59,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 21:58:59,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 09:58:57" (1/3) ... [2020-08-18 21:58:59,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@341adf7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:58:59, skipping insertion in model container [2020-08-18 21:58:59,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:58:57" (2/3) ... [2020-08-18 21:58:59,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@341adf7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:58:59, skipping insertion in model container [2020-08-18 21:58:59,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:58:59" (3/3) ... [2020-08-18 21:58:59,639 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label22.c [2020-08-18 21:58:59,653 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 21:58:59,666 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 21:58:59,685 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 21:58:59,729 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 21:58:59,730 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 21:58:59,730 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 21:58:59,730 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 21:58:59,731 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 21:58:59,731 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 21:58:59,731 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 21:58:59,731 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 21:58:59,759 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-18 21:58:59,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-08-18 21:58:59,774 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:58:59,775 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] [2020-08-18 21:58:59,775 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:58:59,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:58:59,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1257002150, now seen corresponding path program 1 times [2020-08-18 21:58:59,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:58:59,793 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1889771490] [2020-08-18 21:58:59,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:58:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:59:00,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:59:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:59:00,201 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 21:59:00,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1889771490] [2020-08-18 21:59:00,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:59:00,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 21:59:00,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115962136] [2020-08-18 21:59:00,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 21:59:00,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:59:00,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 21:59:00,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 21:59:00,231 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-18 21:59:02,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:59:02,538 INFO L93 Difference]: Finished difference Result 745 states and 1315 transitions. [2020-08-18 21:59:02,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 21:59:02,540 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2020-08-18 21:59:02,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:59:02,558 INFO L225 Difference]: With dead ends: 745 [2020-08-18 21:59:02,558 INFO L226 Difference]: Without dead ends: 447 [2020-08-18 21:59:02,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 21:59:02,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-18 21:59:02,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-08-18 21:59:02,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-08-18 21:59:02,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 635 transitions. [2020-08-18 21:59:02,655 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 635 transitions. Word has length 43 [2020-08-18 21:59:02,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:59:02,656 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 635 transitions. [2020-08-18 21:59:02,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 21:59:02,656 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 635 transitions. [2020-08-18 21:59:02,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-08-18 21:59:02,662 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:59:02,662 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:59:02,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 21:59:02,663 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:59:02,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:59:02,663 INFO L82 PathProgramCache]: Analyzing trace with hash 961573706, now seen corresponding path program 1 times [2020-08-18 21:59:02,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:59:02,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1060158060] [2020-08-18 21:59:02,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:59:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:59:02,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:59:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:59:02,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 21:59:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:59:02,970 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:59:02,971 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1060158060] [2020-08-18 21:59:02,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:59:02,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 21:59:02,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235831989] [2020-08-18 21:59:02,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 21:59:02,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:59:02,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 21:59:02,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 21:59:02,974 INFO L87 Difference]: Start difference. First operand 443 states and 635 transitions. Second operand 8 states. [2020-08-18 21:59:05,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:59:05,120 INFO L93 Difference]: Finished difference Result 1782 states and 2698 transitions. [2020-08-18 21:59:05,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 21:59:05,122 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 117 [2020-08-18 21:59:05,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:59:05,138 INFO L225 Difference]: With dead ends: 1782 [2020-08-18 21:59:05,138 INFO L226 Difference]: Without dead ends: 1345 [2020-08-18 21:59:05,142 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 21:59:05,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2020-08-18 21:59:05,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1184. [2020-08-18 21:59:05,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1184 states. [2020-08-18 21:59:05,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1666 transitions. [2020-08-18 21:59:05,232 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1666 transitions. Word has length 117 [2020-08-18 21:59:05,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:59:05,234 INFO L479 AbstractCegarLoop]: Abstraction has 1184 states and 1666 transitions. [2020-08-18 21:59:05,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 21:59:05,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1666 transitions. [2020-08-18 21:59:05,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-08-18 21:59:05,249 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:59:05,250 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:59:05,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 21:59:05,250 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:59:05,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:59:05,251 INFO L82 PathProgramCache]: Analyzing trace with hash -550888759, now seen corresponding path program 1 times [2020-08-18 21:59:05,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:59:05,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1601940058] [2020-08-18 21:59:05,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:59:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:59:05,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:59:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:59:05,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 21:59:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:59:05,687 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:59:05,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1601940058] [2020-08-18 21:59:05,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:59:05,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 21:59:05,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907304491] [2020-08-18 21:59:05,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 21:59:05,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:59:05,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 21:59:05,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 21:59:05,694 INFO L87 Difference]: Start difference. First operand 1184 states and 1666 transitions. Second operand 8 states. [2020-08-18 21:59:07,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:59:07,705 INFO L93 Difference]: Finished difference Result 2973 states and 4187 transitions. [2020-08-18 21:59:07,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 21:59:07,710 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 122 [2020-08-18 21:59:07,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:59:07,726 INFO L225 Difference]: With dead ends: 2973 [2020-08-18 21:59:07,726 INFO L226 Difference]: Without dead ends: 1768 [2020-08-18 21:59:07,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-08-18 21:59:07,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2020-08-18 21:59:07,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 1762. [2020-08-18 21:59:07,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1762 states. [2020-08-18 21:59:07,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1762 states and 2451 transitions. [2020-08-18 21:59:07,838 INFO L78 Accepts]: Start accepts. Automaton has 1762 states and 2451 transitions. Word has length 122 [2020-08-18 21:59:07,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:59:07,838 INFO L479 AbstractCegarLoop]: Abstraction has 1762 states and 2451 transitions. [2020-08-18 21:59:07,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 21:59:07,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2451 transitions. [2020-08-18 21:59:07,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-08-18 21:59:07,845 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:59:07,845 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:59:07,845 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 21:59:07,845 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:59:07,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:59:07,846 INFO L82 PathProgramCache]: Analyzing trace with hash -316078103, now seen corresponding path program 1 times [2020-08-18 21:59:07,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:59:07,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1698135419] [2020-08-18 21:59:07,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:59:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:59:07,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:59:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:59:07,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 21:59:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:59:08,072 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:59:08,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1698135419] [2020-08-18 21:59:08,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:59:08,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 21:59:08,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157605219] [2020-08-18 21:59:08,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 21:59:08,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:59:08,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 21:59:08,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 21:59:08,075 INFO L87 Difference]: Start difference. First operand 1762 states and 2451 transitions. Second operand 8 states. [2020-08-18 21:59:09,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:59:09,650 INFO L93 Difference]: Finished difference Result 4166 states and 6193 transitions. [2020-08-18 21:59:09,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 21:59:09,651 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2020-08-18 21:59:09,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:59:09,670 INFO L225 Difference]: With dead ends: 4166 [2020-08-18 21:59:09,671 INFO L226 Difference]: Without dead ends: 2553 [2020-08-18 21:59:09,676 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 21:59:09,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2553 states. [2020-08-18 21:59:09,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2553 to 2217. [2020-08-18 21:59:09,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2217 states. [2020-08-18 21:59:09,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 2217 states and 2967 transitions. [2020-08-18 21:59:09,758 INFO L78 Accepts]: Start accepts. Automaton has 2217 states and 2967 transitions. Word has length 138 [2020-08-18 21:59:09,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:59:09,759 INFO L479 AbstractCegarLoop]: Abstraction has 2217 states and 2967 transitions. [2020-08-18 21:59:09,759 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 21:59:09,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2217 states and 2967 transitions. [2020-08-18 21:59:09,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-08-18 21:59:09,761 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:59:09,762 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:59:09,762 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 21:59:09,762 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:59:09,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:59:09,763 INFO L82 PathProgramCache]: Analyzing trace with hash -491536303, now seen corresponding path program 1 times [2020-08-18 21:59:09,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:59:09,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1494351505] [2020-08-18 21:59:09,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:59:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:59:09,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:59:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:59:09,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 21:59:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:59:10,002 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:59:10,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1494351505] [2020-08-18 21:59:10,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:59:10,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 21:59:10,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635346584] [2020-08-18 21:59:10,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 21:59:10,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:59:10,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 21:59:10,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-18 21:59:10,004 INFO L87 Difference]: Start difference. First operand 2217 states and 2967 transitions. Second operand 8 states. [2020-08-18 21:59:11,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:59:11,821 INFO L93 Difference]: Finished difference Result 4581 states and 6235 transitions. [2020-08-18 21:59:11,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 21:59:11,825 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 158 [2020-08-18 21:59:11,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:59:11,837 INFO L225 Difference]: With dead ends: 4581 [2020-08-18 21:59:11,838 INFO L226 Difference]: Without dead ends: 2513 [2020-08-18 21:59:11,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-08-18 21:59:11,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2513 states. [2020-08-18 21:59:11,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2513 to 2505. [2020-08-18 21:59:11,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2505 states. [2020-08-18 21:59:11,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 2505 states and 3165 transitions. [2020-08-18 21:59:11,918 INFO L78 Accepts]: Start accepts. Automaton has 2505 states and 3165 transitions. Word has length 158 [2020-08-18 21:59:11,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:59:11,920 INFO L479 AbstractCegarLoop]: Abstraction has 2505 states and 3165 transitions. [2020-08-18 21:59:11,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 21:59:11,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2505 states and 3165 transitions. [2020-08-18 21:59:11,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-08-18 21:59:11,922 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:59:11,923 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:59:11,924 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 21:59:11,924 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:59:11,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:59:11,925 INFO L82 PathProgramCache]: Analyzing trace with hash 2016829941, now seen corresponding path program 1 times [2020-08-18 21:59:11,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:59:11,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1374102530] [2020-08-18 21:59:11,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:59:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:59:12,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:59:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:59:12,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 21:59:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:59:12,198 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:59:12,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1374102530] [2020-08-18 21:59:12,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:59:12,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 21:59:12,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841728177] [2020-08-18 21:59:12,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 21:59:12,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:59:12,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 21:59:12,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 21:59:12,205 INFO L87 Difference]: Start difference. First operand 2505 states and 3165 transitions. Second operand 7 states. [2020-08-18 21:59:13,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:59:13,490 INFO L93 Difference]: Finished difference Result 4889 states and 6252 transitions. [2020-08-18 21:59:13,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 21:59:13,492 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 160 [2020-08-18 21:59:13,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:59:13,503 INFO L225 Difference]: With dead ends: 4889 [2020-08-18 21:59:13,504 INFO L226 Difference]: Without dead ends: 2533 [2020-08-18 21:59:13,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-18 21:59:13,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2533 states. [2020-08-18 21:59:13,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2533 to 2519. [2020-08-18 21:59:13,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2519 states. [2020-08-18 21:59:13,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2519 states and 3186 transitions. [2020-08-18 21:59:13,584 INFO L78 Accepts]: Start accepts. Automaton has 2519 states and 3186 transitions. Word has length 160 [2020-08-18 21:59:13,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:59:13,584 INFO L479 AbstractCegarLoop]: Abstraction has 2519 states and 3186 transitions. [2020-08-18 21:59:13,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 21:59:13,585 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 3186 transitions. [2020-08-18 21:59:13,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-18 21:59:13,587 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:59:13,588 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:59:13,588 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 21:59:13,588 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:59:13,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:59:13,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1679265278, now seen corresponding path program 1 times [2020-08-18 21:59:13,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:59:13,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1702927059] [2020-08-18 21:59:13,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:59:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:59:13,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:59:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:59:13,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 21:59:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:59:13,778 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-18 21:59:13,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1702927059] [2020-08-18 21:59:13,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:59:13,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 21:59:13,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352699283] [2020-08-18 21:59:13,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 21:59:13,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:59:13,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 21:59:13,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-18 21:59:13,782 INFO L87 Difference]: Start difference. First operand 2519 states and 3186 transitions. Second operand 7 states. [2020-08-18 21:59:16,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:59:16,033 INFO L93 Difference]: Finished difference Result 3967 states and 5073 transitions. [2020-08-18 21:59:16,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 21:59:16,034 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 177 [2020-08-18 21:59:16,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:59:16,035 INFO L225 Difference]: With dead ends: 3967 [2020-08-18 21:59:16,036 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 21:59:16,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-08-18 21:59:16,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 21:59:16,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 21:59:16,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 21:59:16,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 21:59:16,045 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 177 [2020-08-18 21:59:16,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:59:16,045 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 21:59:16,045 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 21:59:16,045 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 21:59:16,046 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 21:59:16,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 21:59:16,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 21:59:17,166 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 53 [2020-08-18 21:59:17,359 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 44 [2020-08-18 21:59:17,541 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 44 [2020-08-18 21:59:17,545 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:59:17,546 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 21:59:17,546 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:59:17,546 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-18 21:59:17,546 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,546 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,546 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,546 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,547 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,547 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,547 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-18 21:59:17,547 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-18 21:59:17,547 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-18 21:59:17,547 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-18 21:59:17,547 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-18 21:59:17,547 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-18 21:59:17,548 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-18 21:59:17,549 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-18 21:59:17,549 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-18 21:59:17,549 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-18 21:59:17,550 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-18 21:59:17,550 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,550 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,550 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,550 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,550 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,550 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-18 21:59:17,550 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-18 21:59:17,551 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-18 21:59:17,551 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-18 21:59:17,551 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-18 21:59:17,551 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-18 21:59:17,551 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-18 21:59:17,551 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-18 21:59:17,551 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-18 21:59:17,552 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-18 21:59:17,552 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-18 21:59:17,552 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-18 21:59:17,552 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-18 21:59:17,552 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 115) no Hoare annotation was computed. [2020-08-18 21:59:17,552 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-18 21:59:17,553 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,553 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,553 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,553 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,553 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,553 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-18 21:59:17,554 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 21:59:17,554 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-18 21:59:17,554 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-18 21:59:17,555 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-18 21:59:17,555 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-18 21:59:17,555 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-18 21:59:17,555 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-18 21:59:17,555 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-18 21:59:17,556 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-18 21:59:17,556 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,556 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,556 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,558 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,558 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,558 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-18 21:59:17,558 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-18 21:59:17,560 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-18 21:59:17,560 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-18 21:59:17,560 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-18 21:59:17,562 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-18 21:59:17,563 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-18 21:59:17,563 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-18 21:59:17,563 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-18 21:59:17,563 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-18 21:59:17,564 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-18 21:59:17,564 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-18 21:59:17,564 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-18 21:59:17,564 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,564 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,564 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,564 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,564 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,564 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-18 21:59:17,565 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-18 21:59:17,565 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-18 21:59:17,565 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 21:59:17,565 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-18 21:59:17,565 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-18 21:59:17,565 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-18 21:59:17,565 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-18 21:59:17,565 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-18 21:59:17,566 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,566 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,566 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,566 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,566 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,566 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,566 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,566 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-18 21:59:17,566 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-18 21:59:17,567 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-18 21:59:17,567 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-18 21:59:17,567 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-18 21:59:17,567 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-18 21:59:17,567 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 21:59:17,567 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 21:59:17,567 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-18 21:59:17,567 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-18 21:59:17,568 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-18 21:59:17,568 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-18 21:59:17,569 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-18 21:59:17,569 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,569 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,569 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,570 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,570 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-18 21:59:17,570 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,570 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,570 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-18 21:59:17,570 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-18 21:59:17,570 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-18 21:59:17,570 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-18 21:59:17,570 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-18 21:59:17,571 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-18 21:59:17,571 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 21:59:17,572 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-18 21:59:17,572 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-18 21:59:17,572 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-18 21:59:17,572 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-18 21:59:17,572 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-18 21:59:17,572 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-18 21:59:17,572 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,572 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,573 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,573 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,573 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,573 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,573 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-18 21:59:17,573 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-18 21:59:17,573 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-18 21:59:17,573 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-18 21:59:17,574 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-18 21:59:17,574 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-18 21:59:17,574 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 21:59:17,574 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-18 21:59:17,574 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-18 21:59:17,574 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-18 21:59:17,574 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-18 21:59:17,575 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse4 (= 3 |old(~a10~0)|)) (.cse5 (not (<= 1 |old(~a10~0)|))) (.cse6 (not (= 14 ~a4~0))) (.cse7 (not (= ~a12~0 0))) (.cse2 (not (<= |old(~a10~0)| 0))) (.cse8 (not (= 9 |old(~a19~0)|))) (.cse0 (= 7 |old(~a19~0)|)) (.cse1 (not (<= |old(~a1~0)| 38))) (.cse3 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse9 (not (<= |old(~a19~0)| 9)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 .cse4 .cse5) (or .cse0 (= |old(~a10~0)| 1) .cse3 .cse4 .cse5) (or .cse3 .cse4 .cse6 .cse5 .cse7) (or (not (<= 9 |old(~a19~0)|)) .cse3 .cse4 .cse5) (or .cse8 .cse3 .cse6 .cse7) (or .cse0 .cse2 .cse3 .cse9 .cse6 .cse7) (or .cse2 .cse8 .cse3) (or .cse0 .cse1 .cse3 .cse9))) [2020-08-18 21:59:17,575 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-18 21:59:17,575 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-18 21:59:17,575 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-18 21:59:17,575 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,575 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,575 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,575 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,575 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,576 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,576 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-18 21:59:17,576 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 21:59:17,576 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-18 21:59:17,576 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-18 21:59:17,576 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-18 21:59:17,576 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-18 21:59:17,576 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-18 21:59:17,576 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-18 21:59:17,577 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-18 21:59:17,577 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-18 21:59:17,577 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-18 21:59:17,577 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-18 21:59:17,577 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-18 21:59:17,577 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,577 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,577 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,577 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,578 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,578 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,578 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-18 21:59:17,578 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-18 21:59:17,578 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-18 21:59:17,578 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-18 21:59:17,578 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-18 21:59:17,578 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-18 21:59:17,579 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-18 21:59:17,579 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-18 21:59:17,579 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-18 21:59:17,579 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-18 21:59:17,579 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-18 21:59:17,579 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-18 21:59:17,579 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,580 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,580 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,580 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,580 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,580 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 21:59:17,580 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-18 21:59:17,581 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-18 21:59:17,581 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-18 21:59:17,581 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-18 21:59:17,582 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-18 21:59:17,582 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-18 21:59:17,582 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-18 21:59:17,582 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-18 21:59:17,582 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-18 21:59:17,582 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-18 21:59:17,582 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-18 21:59:17,583 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-18 21:59:17,583 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:59:17,583 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 21:59:17,583 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 21:59:17,583 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:59:17,584 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 21:59:17,584 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-18 21:59:17,585 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= ~a10~0 0)) (.cse0 (<= ~a1~0 38)) (.cse3 (<= ~a19~0 9)) (.cse2 (not (= 7 ~a19~0)))) (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (not (= ~a10~0 3)) (<= 1 ~a10~0)) (and .cse0 .cse1 .cse2) (and .cse1 .cse2 .cse3) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (= ~a19~0 9) (and .cse0 .cse3 .cse2) (not (= ~a12~0 0)))) [2020-08-18 21:59:17,585 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-18 21:59:17,585 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-18 21:59:17,585 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= ~a10~0 0)) (.cse0 (<= ~a1~0 38)) (.cse3 (<= ~a19~0 9)) (.cse2 (not (= 7 ~a19~0)))) (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (not (= ~a10~0 3)) (<= 1 ~a10~0)) (and .cse0 .cse1 .cse2) (and .cse1 .cse2 .cse3) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (= ~a19~0 9) (and .cse0 .cse3 .cse2) (not (= ~a12~0 0)))) [2020-08-18 21:59:17,585 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-18 21:59:17,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 09:59:17 BoogieIcfgContainer [2020-08-18 21:59:17,621 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 21:59:17,624 INFO L168 Benchmark]: Toolchain (without parser) took 20449.69 ms. Allocated memory was 139.5 MB in the beginning and 457.2 MB in the end (delta: 317.7 MB). Free memory was 100.2 MB in the beginning and 321.3 MB in the end (delta: -221.1 MB). Peak memory consumption was 332.3 MB. Max. memory is 7.1 GB. [2020-08-18 21:59:17,631 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 21:59:17,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 803.73 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 100.0 MB in the beginning and 170.5 MB in the end (delta: -70.4 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2020-08-18 21:59:17,634 INFO L168 Benchmark]: Boogie Preprocessor took 104.09 ms. Allocated memory is still 204.5 MB. Free memory was 170.5 MB in the beginning and 165.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-08-18 21:59:17,635 INFO L168 Benchmark]: RCFGBuilder took 1536.84 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 165.5 MB in the beginning and 178.7 MB in the end (delta: -13.1 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2020-08-18 21:59:17,640 INFO L168 Benchmark]: TraceAbstraction took 17994.49 ms. Allocated memory was 237.5 MB in the beginning and 457.2 MB in the end (delta: 219.7 MB). Free memory was 178.7 MB in the beginning and 321.3 MB in the end (delta: -142.7 MB). Peak memory consumption was 312.7 MB. Max. memory is 7.1 GB. [2020-08-18 21:59:17,645 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 803.73 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 100.0 MB in the beginning and 170.5 MB in the end (delta: -70.4 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.09 ms. Allocated memory is still 204.5 MB. Free memory was 170.5 MB in the beginning and 165.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1536.84 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 165.5 MB in the beginning and 178.7 MB in the end (delta: -13.1 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17994.49 ms. Allocated memory was 237.5 MB in the beginning and 457.2 MB in the end (delta: 219.7 MB). Free memory was 178.7 MB in the beginning and 321.3 MB in the end (delta: -142.7 MB). Peak memory consumption was 312.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 115]: 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)) || !(\old(a10) <= 0)) || (!(a10 == 3) && 1 <= a10)) || ((a1 <= 38 && a10 <= 0) && !(7 == a19))) || ((a10 <= 0 && !(7 == a19)) && a19 <= 9)) || !(9 == \old(a19))) || !(\old(a1) <= 23)) || !(14 == a4)) || a19 == 9) || ((a1 <= 38 && a19 <= 9) && !(7 == a19))) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.3s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 13.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 181 SDtfs, 5253 SDslu, 256 SDs, 0 SdLazy, 6926 SolverSat, 1575 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2519occurred 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: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 529 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 88 PreInvPairs, 146 NumberOfFragments, 438 HoareAnnotationTreeSize, 88 FomulaSimplifications, 4085 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2849 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 915 NumberOfCodeBlocks, 915 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 908 ConstructedInterpolants, 0 QuantifiedInterpolants, 369989 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 194/216 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...