/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 13:22:55,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 13:22:55,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 13:22:55,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-21 13:22:55,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 13:22:55,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 13:22:55,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 13:22:55,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 13:22:55,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 13:22:55,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 13:22:55,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 13:22:55,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 13:22:55,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 13:22:55,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 13:22:55,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 13:22:55,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 13:22:55,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 13:22:55,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 13:22:55,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 13:22:55,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 13:22:55,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 13:22:55,493 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 13:22:55,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 13:22:55,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 13:22:55,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 13:22:55,494 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 13:22:55,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 13:22:55,495 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 13:22:55,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 13:22:55,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 13:22:55,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 13:22:55,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 13:22:55,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 13:22:55,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 13:22:55,496 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 13:22:55,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 13:22:55,497 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 13:22:55,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 13:22:55,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 13:22:55,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 13:22:55,497 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 13:22:55,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 13:22:55,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 13:22:55,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 13:22:55,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 13:22:55,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 13:22:55,498 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 13:22:55,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 13:22:55,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 13:22:55,499 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 13:22:55,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false [2020-08-21 13:22:55,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 13:22:55,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 13:22:55,803 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 13:22:55,805 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 13:22:55,805 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 13:22:55,806 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label17.c [2020-08-21 13:22:55,889 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/14fe10a32/f9bf8e2a59754b1d879db6aec92fc739/FLAG4cff179c7 [2020-08-21 13:22:56,529 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 13:22:56,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label17.c [2020-08-21 13:22:56,545 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/14fe10a32/f9bf8e2a59754b1d879db6aec92fc739/FLAG4cff179c7 [2020-08-21 13:22:56,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/14fe10a32/f9bf8e2a59754b1d879db6aec92fc739 [2020-08-21 13:22:56,819 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 13:22:56,821 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 13:22:56,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 13:22:56,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 13:22:56,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 13:22:56,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:22:56" (1/1) ... [2020-08-21 13:22:56,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c38a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:22:56, skipping insertion in model container [2020-08-21 13:22:56,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:22:56" (1/1) ... [2020-08-21 13:22:56,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 13:22:56,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 13:22:57,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:22:57,409 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 13:22:57,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:22:57,569 INFO L208 MainTranslator]: Completed translation [2020-08-21 13:22:57,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:22:57 WrapperNode [2020-08-21 13:22:57,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 13:22:57,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 13:22:57,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 13:22:57,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 13:22:57,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:22:57" (1/1) ... [2020-08-21 13:22:57,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:22:57" (1/1) ... [2020-08-21 13:22:57,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:22:57" (1/1) ... [2020-08-21 13:22:57,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:22:57" (1/1) ... [2020-08-21 13:22:57,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:22:57" (1/1) ... [2020-08-21 13:22:57,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:22:57" (1/1) ... [2020-08-21 13:22:57,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:22:57" (1/1) ... [2020-08-21 13:22:57,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 13:22:57,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 13:22:57,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 13:22:57,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 13:22:57,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:22:57" (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 [2020-08-21 13:22:57,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 13:22:57,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 13:22:57,750 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 13:22:57,751 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 13:22:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 13:22:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 13:22:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 13:22:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 13:22:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 13:22:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 13:22:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 13:22:59,024 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 13:22:59,024 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 13:22:59,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:22:59 BoogieIcfgContainer [2020-08-21 13:22:59,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 13:22:59,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 13:22:59,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 13:22:59,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 13:22:59,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 01:22:56" (1/3) ... [2020-08-21 13:22:59,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b38fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:22:59, skipping insertion in model container [2020-08-21 13:22:59,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:22:57" (2/3) ... [2020-08-21 13:22:59,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b38fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:22:59, skipping insertion in model container [2020-08-21 13:22:59,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:22:59" (3/3) ... [2020-08-21 13:22:59,050 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label17.c [2020-08-21 13:22:59,062 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 13:22:59,073 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 13:22:59,090 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 13:22:59,124 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 13:22:59,125 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 13:22:59,125 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 13:22:59,126 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 13:22:59,126 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 13:22:59,126 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 13:22:59,126 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 13:22:59,126 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 13:22:59,155 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-21 13:22:59,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-08-21 13:22:59,171 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:22:59,173 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] [2020-08-21 13:22:59,173 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:22:59,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:22:59,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1025349313, now seen corresponding path program 1 times [2020-08-21 13:22:59,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:22:59,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [982909995] [2020-08-21 13:22:59,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:22:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:59,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:22:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:59,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:22:59,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [982909995] [2020-08-21 13:22:59,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:22:59,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 13:22:59,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220260465] [2020-08-21 13:22:59,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 13:22:59,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:22:59,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 13:22:59,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 13:22:59,533 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-08-21 13:23:01,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:23:01,013 INFO L93 Difference]: Finished difference Result 596 states and 1021 transitions. [2020-08-21 13:23:01,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 13:23:01,015 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-08-21 13:23:01,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:23:01,047 INFO L225 Difference]: With dead ends: 596 [2020-08-21 13:23:01,047 INFO L226 Difference]: Without dead ends: 302 [2020-08-21 13:23:01,058 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 [2020-08-21 13:23:01,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-08-21 13:23:01,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-08-21 13:23:01,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-08-21 13:23:01,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 430 transitions. [2020-08-21 13:23:01,128 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 430 transitions. Word has length 36 [2020-08-21 13:23:01,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:23:01,129 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 430 transitions. [2020-08-21 13:23:01,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 13:23:01,129 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 430 transitions. [2020-08-21 13:23:01,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-21 13:23:01,135 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:23:01,135 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] [2020-08-21 13:23:01,136 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 13:23:01,136 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:23:01,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:23:01,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1168948250, now seen corresponding path program 1 times [2020-08-21 13:23:01,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:23:01,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [168302808] [2020-08-21 13:23:01,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:23:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:23:01,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:23:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:23:01,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 13:23:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:23:01,399 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:23:01,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [168302808] [2020-08-21 13:23:01,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:23:01,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 13:23:01,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053956440] [2020-08-21 13:23:01,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 13:23:01,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:23:01,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 13:23:01,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 13:23:01,407 INFO L87 Difference]: Start difference. First operand 298 states and 430 transitions. Second operand 8 states. [2020-08-21 13:23:03,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:23:03,455 INFO L93 Difference]: Finished difference Result 1198 states and 1805 transitions. [2020-08-21 13:23:03,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 13:23:03,456 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 110 [2020-08-21 13:23:03,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:23:03,467 INFO L225 Difference]: With dead ends: 1198 [2020-08-21 13:23:03,467 INFO L226 Difference]: Without dead ends: 906 [2020-08-21 13:23:03,470 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 [2020-08-21 13:23:03,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2020-08-21 13:23:03,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 894. [2020-08-21 13:23:03,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-08-21 13:23:03,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1231 transitions. [2020-08-21 13:23:03,572 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1231 transitions. Word has length 110 [2020-08-21 13:23:03,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:23:03,574 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1231 transitions. [2020-08-21 13:23:03,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 13:23:03,574 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1231 transitions. [2020-08-21 13:23:03,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-08-21 13:23:03,586 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:23:03,587 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] [2020-08-21 13:23:03,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 13:23:03,587 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:23:03,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:23:03,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1710537437, now seen corresponding path program 1 times [2020-08-21 13:23:03,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:23:03,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [170092410] [2020-08-21 13:23:03,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:23:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:23:03,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:23:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:23:03,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 13:23:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:23:03,874 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:23:03,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [170092410] [2020-08-21 13:23:03,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:23:03,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 13:23:03,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876046646] [2020-08-21 13:23:03,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 13:23:03,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:23:03,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 13:23:03,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 13:23:03,883 INFO L87 Difference]: Start difference. First operand 894 states and 1231 transitions. Second operand 5 states. [2020-08-21 13:23:05,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:23:05,125 INFO L93 Difference]: Finished difference Result 2080 states and 2930 transitions. [2020-08-21 13:23:05,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 13:23:05,127 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 115 [2020-08-21 13:23:05,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:23:05,137 INFO L225 Difference]: With dead ends: 2080 [2020-08-21 13:23:05,137 INFO L226 Difference]: Without dead ends: 1192 [2020-08-21 13:23:05,140 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 [2020-08-21 13:23:05,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2020-08-21 13:23:05,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1188. [2020-08-21 13:23:05,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1188 states. [2020-08-21 13:23:05,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 1188 states and 1611 transitions. [2020-08-21 13:23:05,182 INFO L78 Accepts]: Start accepts. Automaton has 1188 states and 1611 transitions. Word has length 115 [2020-08-21 13:23:05,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:23:05,183 INFO L479 AbstractCegarLoop]: Abstraction has 1188 states and 1611 transitions. [2020-08-21 13:23:05,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 13:23:05,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1611 transitions. [2020-08-21 13:23:05,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-08-21 13:23:05,185 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:23:05,185 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] [2020-08-21 13:23:05,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 13:23:05,185 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:23:05,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:23:05,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1140420541, now seen corresponding path program 1 times [2020-08-21 13:23:05,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:23:05,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1667770014] [2020-08-21 13:23:05,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:23:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:23:05,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:23:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:23:05,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 13:23:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:23:05,385 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:23:05,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1667770014] [2020-08-21 13:23:05,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:23:05,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 13:23:05,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260458166] [2020-08-21 13:23:05,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 13:23:05,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:23:05,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 13:23:05,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 13:23:05,388 INFO L87 Difference]: Start difference. First operand 1188 states and 1611 transitions. Second operand 8 states. [2020-08-21 13:23:06,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:23:06,915 INFO L93 Difference]: Finished difference Result 3008 states and 4225 transitions. [2020-08-21 13:23:06,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 13:23:06,916 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 131 [2020-08-21 13:23:06,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:23:06,933 INFO L225 Difference]: With dead ends: 3008 [2020-08-21 13:23:06,934 INFO L226 Difference]: Without dead ends: 1826 [2020-08-21 13:23:06,938 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 [2020-08-21 13:23:06,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2020-08-21 13:23:07,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1639. [2020-08-21 13:23:07,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1639 states. [2020-08-21 13:23:07,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 2053 transitions. [2020-08-21 13:23:07,009 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 2053 transitions. Word has length 131 [2020-08-21 13:23:07,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:23:07,010 INFO L479 AbstractCegarLoop]: Abstraction has 1639 states and 2053 transitions. [2020-08-21 13:23:07,010 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 13:23:07,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 2053 transitions. [2020-08-21 13:23:07,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-08-21 13:23:07,012 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:23:07,012 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] [2020-08-21 13:23:07,012 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 13:23:07,013 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:23:07,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:23:07,013 INFO L82 PathProgramCache]: Analyzing trace with hash 686602382, now seen corresponding path program 1 times [2020-08-21 13:23:07,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:23:07,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1305222336] [2020-08-21 13:23:07,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:23:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:23:07,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:23:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:23:07,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 13:23:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:23:07,240 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:23:07,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1305222336] [2020-08-21 13:23:07,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:23:07,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 13:23:07,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495596836] [2020-08-21 13:23:07,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 13:23:07,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:23:07,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 13:23:07,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 13:23:07,243 INFO L87 Difference]: Start difference. First operand 1639 states and 2053 transitions. Second operand 7 states. [2020-08-21 13:23:08,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:23:08,828 INFO L93 Difference]: Finished difference Result 3451 states and 4324 transitions. [2020-08-21 13:23:08,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 13:23:08,830 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2020-08-21 13:23:08,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:23:08,840 INFO L225 Difference]: With dead ends: 3451 [2020-08-21 13:23:08,840 INFO L226 Difference]: Without dead ends: 1818 [2020-08-21 13:23:08,846 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 [2020-08-21 13:23:08,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2020-08-21 13:23:08,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1800. [2020-08-21 13:23:08,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1800 states. [2020-08-21 13:23:08,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1800 states and 2236 transitions. [2020-08-21 13:23:08,914 INFO L78 Accepts]: Start accepts. Automaton has 1800 states and 2236 transitions. Word has length 132 [2020-08-21 13:23:08,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:23:08,914 INFO L479 AbstractCegarLoop]: Abstraction has 1800 states and 2236 transitions. [2020-08-21 13:23:08,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 13:23:08,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2236 transitions. [2020-08-21 13:23:08,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-08-21 13:23:08,921 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:23:08,922 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] [2020-08-21 13:23:08,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 13:23:08,924 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:23:08,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:23:08,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1425937487, now seen corresponding path program 1 times [2020-08-21 13:23:08,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:23:08,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1418438507] [2020-08-21 13:23:08,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:23:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:23:09,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:23:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:23:09,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 13:23:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:23:09,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 13:23:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:23:09,266 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 50 proven. 8 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-08-21 13:23:09,270 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1418438507] [2020-08-21 13:23:09,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:23:09,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 13:23:09,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475918733] [2020-08-21 13:23:09,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 13:23:09,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:23:09,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 13:23:09,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-21 13:23:09,273 INFO L87 Difference]: Start difference. First operand 1800 states and 2236 transitions. Second operand 7 states. [2020-08-21 13:23:11,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:23:11,145 INFO L93 Difference]: Finished difference Result 2825 states and 3612 transitions. [2020-08-21 13:23:11,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 13:23:11,151 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 202 [2020-08-21 13:23:11,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:23:11,166 INFO L225 Difference]: With dead ends: 2825 [2020-08-21 13:23:11,166 INFO L226 Difference]: Without dead ends: 2823 [2020-08-21 13:23:11,168 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 [2020-08-21 13:23:11,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2823 states. [2020-08-21 13:23:11,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2823 to 1951. [2020-08-21 13:23:11,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1951 states. [2020-08-21 13:23:11,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1951 states and 2467 transitions. [2020-08-21 13:23:11,232 INFO L78 Accepts]: Start accepts. Automaton has 1951 states and 2467 transitions. Word has length 202 [2020-08-21 13:23:11,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:23:11,232 INFO L479 AbstractCegarLoop]: Abstraction has 1951 states and 2467 transitions. [2020-08-21 13:23:11,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 13:23:11,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2467 transitions. [2020-08-21 13:23:11,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-08-21 13:23:11,236 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:23:11,237 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] [2020-08-21 13:23:11,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 13:23:11,237 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:23:11,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:23:11,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1497549686, now seen corresponding path program 1 times [2020-08-21 13:23:11,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:23:11,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2046896682] [2020-08-21 13:23:11,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:23:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:23:11,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:23:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:23:11,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 13:23:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:23:11,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 13:23:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:23:11,476 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-08-21 13:23:11,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2046896682] [2020-08-21 13:23:11,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:23:11,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 13:23:11,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334200843] [2020-08-21 13:23:11,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 13:23:11,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:23:11,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 13:23:11,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 13:23:11,479 INFO L87 Difference]: Start difference. First operand 1951 states and 2467 transitions. Second operand 5 states. [2020-08-21 13:23:12,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:23:12,645 INFO L93 Difference]: Finished difference Result 3757 states and 4792 transitions. [2020-08-21 13:23:12,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 13:23:12,646 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 225 [2020-08-21 13:23:12,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:23:12,647 INFO L225 Difference]: With dead ends: 3757 [2020-08-21 13:23:12,647 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 13:23:12,655 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 [2020-08-21 13:23:12,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 13:23:12,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 13:23:12,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 13:23:12,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 13:23:12,656 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 225 [2020-08-21 13:23:12,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:23:12,656 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 13:23:12,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 13:23:12,656 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 13:23:12,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 13:23:12,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 13:23:12,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 13:23:13,202 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 35 [2020-08-21 13:23:13,362 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-08-21 13:23:13,478 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-08-21 13:23:13,482 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:23:13,483 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)|)) [2020-08-21 13:23:13,483 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:23:13,483 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-21 13:23:13,484 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,484 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,484 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,484 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,485 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,485 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,485 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-21 13:23:13,485 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-21 13:23:13,485 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-21 13:23:13,485 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-21 13:23:13,485 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-21 13:23:13,485 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-21 13:23:13,485 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-21 13:23:13,485 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-21 13:23:13,486 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-21 13:23:13,486 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-21 13:23:13,486 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-21 13:23:13,486 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,486 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,486 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,486 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,486 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,486 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-21 13:23:13,486 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-21 13:23:13,487 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-21 13:23:13,487 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-21 13:23:13,487 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-21 13:23:13,487 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-21 13:23:13,487 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-21 13:23:13,487 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-21 13:23:13,487 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-21 13:23:13,487 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-21 13:23:13,487 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-21 13:23:13,487 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-21 13:23:13,487 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-21 13:23:13,488 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 94) no Hoare annotation was computed. [2020-08-21 13:23:13,488 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-21 13:23:13,488 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,488 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,488 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,488 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,488 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,488 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-21 13:23:13,488 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-21 13:23:13,488 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-21 13:23:13,488 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-21 13:23:13,489 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-21 13:23:13,489 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-21 13:23:13,489 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-21 13:23:13,489 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-21 13:23:13,489 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-21 13:23:13,489 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-21 13:23:13,489 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,490 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,490 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,490 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,490 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,490 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-21 13:23:13,490 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-21 13:23:13,490 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-21 13:23:13,490 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-21 13:23:13,491 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-21 13:23:13,491 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-21 13:23:13,491 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-21 13:23:13,491 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-21 13:23:13,491 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-21 13:23:13,491 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-21 13:23:13,491 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-21 13:23:13,491 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-21 13:23:13,491 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-21 13:23:13,492 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,492 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,492 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,492 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,492 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,492 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-21 13:23:13,492 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-21 13:23:13,493 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-21 13:23:13,493 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-21 13:23:13,493 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-21 13:23:13,493 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-21 13:23:13,493 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-21 13:23:13,493 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-21 13:23:13,493 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-21 13:23:13,493 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,494 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,494 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,494 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,494 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,494 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,494 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,494 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-21 13:23:13,494 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-21 13:23:13,495 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-21 13:23:13,495 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-21 13:23:13,495 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-21 13:23:13,495 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-21 13:23:13,495 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-21 13:23:13,495 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-21 13:23:13,495 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-21 13:23:13,495 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-21 13:23:13,495 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-21 13:23:13,495 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-21 13:23:13,496 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-21 13:23:13,496 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,496 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,496 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,496 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,496 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-21 13:23:13,496 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,496 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,497 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-21 13:23:13,497 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-21 13:23:13,497 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-21 13:23:13,497 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-21 13:23:13,497 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-21 13:23:13,497 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-21 13:23:13,497 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-21 13:23:13,497 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-21 13:23:13,497 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-21 13:23:13,497 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-21 13:23:13,497 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-21 13:23:13,497 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-21 13:23:13,498 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-21 13:23:13,498 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,498 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,498 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,498 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,498 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,498 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,498 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-21 13:23:13,498 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-21 13:23:13,499 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-21 13:23:13,499 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-21 13:23:13,499 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-21 13:23:13,499 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-21 13:23:13,499 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-21 13:23:13,499 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-21 13:23:13,499 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-21 13:23:13,499 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-21 13:23:13,499 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-21 13:23:13,500 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))) [2020-08-21 13:23:13,500 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-21 13:23:13,500 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-21 13:23:13,500 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-21 13:23:13,500 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,500 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,501 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,501 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,501 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,501 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,501 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-21 13:23:13,501 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-21 13:23:13,501 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-21 13:23:13,501 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-21 13:23:13,501 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-21 13:23:13,501 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-21 13:23:13,502 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-21 13:23:13,502 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-21 13:23:13,502 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-21 13:23:13,502 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-21 13:23:13,502 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-21 13:23:13,502 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-21 13:23:13,502 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-21 13:23:13,502 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,503 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,503 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,503 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,503 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,503 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,503 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-21 13:23:13,503 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-21 13:23:13,503 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-21 13:23:13,503 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-21 13:23:13,504 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-21 13:23:13,504 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-21 13:23:13,504 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-21 13:23:13,504 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-21 13:23:13,504 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-21 13:23:13,504 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-21 13:23:13,504 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-21 13:23:13,504 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-21 13:23:13,504 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,504 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,504 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,505 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,505 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,505 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 13:23:13,505 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-21 13:23:13,505 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-21 13:23:13,505 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-21 13:23:13,505 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-21 13:23:13,505 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-21 13:23:13,506 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-21 13:23:13,506 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-21 13:23:13,506 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-21 13:23:13,506 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-21 13:23:13,506 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-21 13:23:13,506 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-21 13:23:13,506 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-21 13:23:13,507 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:23:13,507 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)) [2020-08-21 13:23:13,507 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 13:23:13,507 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:23:13,507 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))) [2020-08-21 13:23:13,507 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-21 13:23:13,508 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)))) [2020-08-21 13:23:13,508 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-21 13:23:13,508 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-21 13:23:13,508 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)))) [2020-08-21 13:23:13,508 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-21 13:23:13,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 01:23:13 BoogieIcfgContainer [2020-08-21 13:23:13,530 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 13:23:13,532 INFO L168 Benchmark]: Toolchain (without parser) took 16711.43 ms. Allocated memory was 140.5 MB in the beginning and 452.5 MB in the end (delta: 312.0 MB). Free memory was 101.8 MB in the beginning and 378.5 MB in the end (delta: -276.8 MB). Peak memory consumption was 279.7 MB. Max. memory is 7.1 GB. [2020-08-21 13:23:13,533 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 13:23:13,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.43 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 101.5 MB in the beginning and 171.0 MB in the end (delta: -69.5 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2020-08-21 13:23:13,535 INFO L168 Benchmark]: Boogie Preprocessor took 103.09 ms. Allocated memory is still 205.5 MB. Free memory was 171.0 MB in the beginning and 166.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-21 13:23:13,536 INFO L168 Benchmark]: RCFGBuilder took 1362.58 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 166.1 MB in the beginning and 181.3 MB in the end (delta: -15.1 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. [2020-08-21 13:23:13,537 INFO L168 Benchmark]: TraceAbstraction took 14490.87 ms. Allocated memory was 238.6 MB in the beginning and 452.5 MB in the end (delta: 213.9 MB). Free memory was 179.8 MB in the beginning and 378.5 MB in the end (delta: -198.7 MB). Peak memory consumption was 259.8 MB. Max. memory is 7.1 GB. [2020-08-21 13:23:13,541 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 747.43 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 101.5 MB in the beginning and 171.0 MB in the end (delta: -69.5 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.09 ms. Allocated memory is still 205.5 MB. Free memory was 171.0 MB in the beginning and 166.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1362.58 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 166.1 MB in the beginning and 181.3 MB in the end (delta: -15.1 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14490.87 ms. Allocated memory was 238.6 MB in the beginning and 452.5 MB in the end (delta: 213.9 MB). Free memory was 179.8 MB in the beginning and 378.5 MB in the end (delta: -198.7 MB). Peak memory consumption was 259.8 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: 13.5s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 11.0s, 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, 7.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s 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: 0.3s 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s 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...