/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 19:00:58,442 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-21 19:00:58,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 19:00:58,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 19:00:58,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 19:00:58,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 19:00:58,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 19:00:58,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 19:00:58,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 19:00:58,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 19:00:58,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 19:00:58,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 19:00:58,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 19:00:58,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 19:00:58,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 19:00:58,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 19:00:58,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 19:00:58,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 19:00:58,555 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 19:00:58,596 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 19:00:58,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 19:00:58,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 19:00:58,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 19:00:58,598 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 19:00:58,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 19:00:58,598 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 19:00:58,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 19:00:58,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 19:00:58,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 19:00:58,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 19:00:58,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 19:00:58,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 19:00:58,599 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 19:00:58,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 19:00:58,600 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 19:00:58,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 19:00:58,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 19:00:58,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 19:00:58,601 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 19:00:58,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 19:00:58,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 19:00:58,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 19:00:58,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 19:00:58,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 19:00:58,602 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 19:00:58,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 19:00:58,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 19:00:58,602 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 19:00:58,603 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=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; [2020-08-21 19:00:58,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 19:00:58,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 19:00:58,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 19:00:58,947 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 19:00:58,948 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 19:00:58,948 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label20.c [2020-08-21 19:00:59,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffef5444d/f5a9dbfac9ba47ea8722f1203b25406a/FLAGffcd4ee04 [2020-08-21 19:00:59,590 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 19:00:59,594 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label20.c [2020-08-21 19:00:59,613 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffef5444d/f5a9dbfac9ba47ea8722f1203b25406a/FLAGffcd4ee04 [2020-08-21 19:00:59,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffef5444d/f5a9dbfac9ba47ea8722f1203b25406a [2020-08-21 19:00:59,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 19:00:59,836 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 19:00:59,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 19:00:59,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 19:00:59,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 19:00:59,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 07:00:59" (1/1) ... [2020-08-21 19:00:59,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dadf5b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:00:59, skipping insertion in model container [2020-08-21 19:00:59,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 07:00:59" (1/1) ... [2020-08-21 19:00:59,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 19:00:59,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 19:01:00,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 19:01:00,305 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 19:01:00,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 19:01:00,544 INFO L208 MainTranslator]: Completed translation [2020-08-21 19:01:00,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:01:00 WrapperNode [2020-08-21 19:01:00,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 19:01:00,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 19:01:00,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 19:01:00,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 19:01:00,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:01:00" (1/1) ... [2020-08-21 19:01:00,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:01:00" (1/1) ... [2020-08-21 19:01:00,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:01:00" (1/1) ... [2020-08-21 19:01:00,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:01:00" (1/1) ... [2020-08-21 19:01:00,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:01:00" (1/1) ... [2020-08-21 19:01:00,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:01:00" (1/1) ... [2020-08-21 19:01:00,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:01:00" (1/1) ... [2020-08-21 19:01:00,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 19:01:00,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 19:01:00,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 19:01:00,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 19:01:00,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:01:00" (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 19:01:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 19:01:00,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 19:01:00,780 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 19:01:00,780 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 19:01:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 19:01:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 19:01:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 19:01:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 19:01:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 19:01:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 19:01:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 19:01:02,232 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 19:01:02,232 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 19:01:02,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 07:01:02 BoogieIcfgContainer [2020-08-21 19:01:02,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 19:01:02,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 19:01:02,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 19:01:02,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 19:01:02,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 07:00:59" (1/3) ... [2020-08-21 19:01:02,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b147d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 07:01:02, skipping insertion in model container [2020-08-21 19:01:02,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:01:00" (2/3) ... [2020-08-21 19:01:02,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b147d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 07:01:02, skipping insertion in model container [2020-08-21 19:01:02,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 07:01:02" (3/3) ... [2020-08-21 19:01:02,248 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label20.c [2020-08-21 19:01:02,259 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 19:01:02,267 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 19:01:02,282 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 19:01:02,310 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 19:01:02,310 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 19:01:02,311 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 19:01:02,311 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 19:01:02,311 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 19:01:02,311 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 19:01:02,312 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 19:01:02,312 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 19:01:02,338 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-21 19:01:02,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-08-21 19:01:02,346 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:01:02,347 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] [2020-08-21 19:01:02,348 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:01:02,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:01:02,355 INFO L82 PathProgramCache]: Analyzing trace with hash 92787543, now seen corresponding path program 1 times [2020-08-21 19:01:02,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:01:02,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1608978362] [2020-08-21 19:01:02,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:01:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:02,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:01:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:02,698 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 19:01:02,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1608978362] [2020-08-21 19:01:02,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:01:02,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 19:01:02,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453485043] [2020-08-21 19:01:02,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 19:01:02,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:01:02,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 19:01:02,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 19:01:02,726 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-21 19:01:04,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:01:04,954 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-08-21 19:01:04,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 19:01:04,956 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-08-21 19:01:04,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:01:04,975 INFO L225 Difference]: With dead ends: 730 [2020-08-21 19:01:04,975 INFO L226 Difference]: Without dead ends: 447 [2020-08-21 19:01:04,986 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 19:01:05,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-21 19:01:05,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-08-21 19:01:05,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-08-21 19:01:05,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-08-21 19:01:05,076 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 34 [2020-08-21 19:01:05,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:01:05,077 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-08-21 19:01:05,077 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 19:01:05,078 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-08-21 19:01:05,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-08-21 19:01:05,084 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:01:05,084 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:01:05,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 19:01:05,085 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:01:05,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:01:05,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1040118654, now seen corresponding path program 1 times [2020-08-21 19:01:05,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:01:05,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [17138687] [2020-08-21 19:01:05,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:01:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:05,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:01:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:05,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:01:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:05,475 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 19:01:05,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [17138687] [2020-08-21 19:01:05,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:01:05,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 19:01:05,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273155970] [2020-08-21 19:01:05,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 19:01:05,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:01:05,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 19:01:05,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 19:01:05,480 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-08-21 19:01:07,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:01:07,556 INFO L93 Difference]: Finished difference Result 1490 states and 2350 transitions. [2020-08-21 19:01:07,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 19:01:07,557 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 116 [2020-08-21 19:01:07,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:01:07,571 INFO L225 Difference]: With dead ends: 1490 [2020-08-21 19:01:07,571 INFO L226 Difference]: Without dead ends: 1055 [2020-08-21 19:01:07,574 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-08-21 19:01:07,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2020-08-21 19:01:07,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 745. [2020-08-21 19:01:07,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-08-21 19:01:07,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1066 transitions. [2020-08-21 19:01:07,645 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1066 transitions. Word has length 116 [2020-08-21 19:01:07,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:01:07,645 INFO L479 AbstractCegarLoop]: Abstraction has 745 states and 1066 transitions. [2020-08-21 19:01:07,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 19:01:07,646 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1066 transitions. [2020-08-21 19:01:07,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-08-21 19:01:07,655 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:01:07,655 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:01:07,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 19:01:07,656 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:01:07,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:01:07,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1418096050, now seen corresponding path program 1 times [2020-08-21 19:01:07,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:01:07,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1988927608] [2020-08-21 19:01:07,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:01:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:07,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:01:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:07,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:01:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:07,997 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 19:01:07,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1988927608] [2020-08-21 19:01:07,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:01:07,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 19:01:07,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843534299] [2020-08-21 19:01:07,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 19:01:07,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:01:08,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 19:01:08,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 19:01:08,000 INFO L87 Difference]: Start difference. First operand 745 states and 1066 transitions. Second operand 8 states. [2020-08-21 19:01:09,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:01:09,479 INFO L93 Difference]: Finished difference Result 1822 states and 2689 transitions. [2020-08-21 19:01:09,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 19:01:09,482 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 156 [2020-08-21 19:01:09,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:01:09,496 INFO L225 Difference]: With dead ends: 1822 [2020-08-21 19:01:09,496 INFO L226 Difference]: Without dead ends: 1083 [2020-08-21 19:01:09,499 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 19:01:09,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2020-08-21 19:01:09,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1055. [2020-08-21 19:01:09,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1055 states. [2020-08-21 19:01:09,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1377 transitions. [2020-08-21 19:01:09,563 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1377 transitions. Word has length 156 [2020-08-21 19:01:09,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:01:09,564 INFO L479 AbstractCegarLoop]: Abstraction has 1055 states and 1377 transitions. [2020-08-21 19:01:09,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 19:01:09,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1377 transitions. [2020-08-21 19:01:09,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-08-21 19:01:09,585 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:01:09,585 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 19:01:09,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 19:01:09,585 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:01:09,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:01:09,586 INFO L82 PathProgramCache]: Analyzing trace with hash 776423077, now seen corresponding path program 1 times [2020-08-21 19:01:09,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:01:09,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [171146062] [2020-08-21 19:01:09,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:01:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:09,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:01:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:09,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:01:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:09,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 19:01:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:09,946 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 121 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 19:01:09,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [171146062] [2020-08-21 19:01:09,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:01:09,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 19:01:09,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579747685] [2020-08-21 19:01:09,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 19:01:09,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:01:09,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 19:01:09,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 19:01:09,949 INFO L87 Difference]: Start difference. First operand 1055 states and 1377 transitions. Second operand 7 states. [2020-08-21 19:01:11,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:01:11,474 INFO L93 Difference]: Finished difference Result 2563 states and 3412 transitions. [2020-08-21 19:01:11,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 19:01:11,475 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 202 [2020-08-21 19:01:11,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:01:11,485 INFO L225 Difference]: With dead ends: 2563 [2020-08-21 19:01:11,486 INFO L226 Difference]: Without dead ends: 1514 [2020-08-21 19:01:11,491 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-08-21 19:01:11,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2020-08-21 19:01:11,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1206. [2020-08-21 19:01:11,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2020-08-21 19:01:11,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1556 transitions. [2020-08-21 19:01:11,546 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1556 transitions. Word has length 202 [2020-08-21 19:01:11,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:01:11,547 INFO L479 AbstractCegarLoop]: Abstraction has 1206 states and 1556 transitions. [2020-08-21 19:01:11,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 19:01:11,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1556 transitions. [2020-08-21 19:01:11,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-08-21 19:01:11,553 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:01:11,553 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 19:01:11,553 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 19:01:11,553 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:01:11,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:01:11,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1499058288, now seen corresponding path program 1 times [2020-08-21 19:01:11,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:01:11,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1279533401] [2020-08-21 19:01:11,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:01:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:11,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:01:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:11,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:01:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:11,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-21 19:01:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:11,839 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 54 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-21 19:01:11,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1279533401] [2020-08-21 19:01:11,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:01:11,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 19:01:11,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481277539] [2020-08-21 19:01:11,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 19:01:11,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:01:11,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 19:01:11,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 19:01:11,842 INFO L87 Difference]: Start difference. First operand 1206 states and 1556 transitions. Second operand 7 states. [2020-08-21 19:01:13,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:01:13,237 INFO L93 Difference]: Finished difference Result 2587 states and 3335 transitions. [2020-08-21 19:01:13,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 19:01:13,238 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 203 [2020-08-21 19:01:13,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:01:13,248 INFO L225 Difference]: With dead ends: 2587 [2020-08-21 19:01:13,249 INFO L226 Difference]: Without dead ends: 1387 [2020-08-21 19:01:13,253 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 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 19:01:13,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2020-08-21 19:01:13,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1206. [2020-08-21 19:01:13,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2020-08-21 19:01:13,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1507 transitions. [2020-08-21 19:01:13,310 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1507 transitions. Word has length 203 [2020-08-21 19:01:13,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:01:13,311 INFO L479 AbstractCegarLoop]: Abstraction has 1206 states and 1507 transitions. [2020-08-21 19:01:13,312 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 19:01:13,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1507 transitions. [2020-08-21 19:01:13,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-08-21 19:01:13,324 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:01:13,324 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 19:01:13,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 19:01:13,326 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:01:13,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:01:13,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1638201038, now seen corresponding path program 1 times [2020-08-21 19:01:13,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:01:13,327 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [39796621] [2020-08-21 19:01:13,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:01:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:13,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:01:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:13,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:01:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:13,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-21 19:01:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:13,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-08-21 19:01:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:13,828 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 89 proven. 225 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-21 19:01:13,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [39796621] [2020-08-21 19:01:13,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:01:13,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 19:01:13,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699660212] [2020-08-21 19:01:13,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 19:01:13,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:01:13,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 19:01:13,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-21 19:01:13,840 INFO L87 Difference]: Start difference. First operand 1206 states and 1507 transitions. Second operand 10 states. [2020-08-21 19:01:17,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:01:17,058 INFO L93 Difference]: Finished difference Result 4332 states and 5677 transitions. [2020-08-21 19:01:17,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-21 19:01:17,059 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 282 [2020-08-21 19:01:17,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:01:17,080 INFO L225 Difference]: With dead ends: 4332 [2020-08-21 19:01:17,081 INFO L226 Difference]: Without dead ends: 3248 [2020-08-21 19:01:17,086 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2020-08-21 19:01:17,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3248 states. [2020-08-21 19:01:17,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3248 to 2231. [2020-08-21 19:01:17,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-08-21 19:01:17,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2937 transitions. [2020-08-21 19:01:17,185 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2937 transitions. Word has length 282 [2020-08-21 19:01:17,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:01:17,185 INFO L479 AbstractCegarLoop]: Abstraction has 2231 states and 2937 transitions. [2020-08-21 19:01:17,185 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 19:01:17,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2937 transitions. [2020-08-21 19:01:17,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-08-21 19:01:17,196 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:01:17,197 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:01:17,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 19:01:17,198 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:01:17,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:01:17,198 INFO L82 PathProgramCache]: Analyzing trace with hash 606694202, now seen corresponding path program 1 times [2020-08-21 19:01:17,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:01:17,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1244642898] [2020-08-21 19:01:17,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:01:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:17,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:01:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:17,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:01:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:17,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-21 19:01:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:17,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-08-21 19:01:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:18,011 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 167 proven. 158 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-21 19:01:18,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1244642898] [2020-08-21 19:01:18,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:01:18,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 19:01:18,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475013260] [2020-08-21 19:01:18,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 19:01:18,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:01:18,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 19:01:18,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-08-21 19:01:18,016 INFO L87 Difference]: Start difference. First operand 2231 states and 2937 transitions. Second operand 11 states. [2020-08-21 19:01:21,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:01:21,295 INFO L93 Difference]: Finished difference Result 4488 states and 5998 transitions. [2020-08-21 19:01:21,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-21 19:01:21,296 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 318 [2020-08-21 19:01:21,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:01:21,308 INFO L225 Difference]: With dead ends: 4488 [2020-08-21 19:01:21,309 INFO L226 Difference]: Without dead ends: 2406 [2020-08-21 19:01:21,314 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=179, Invalid=523, Unknown=0, NotChecked=0, Total=702 [2020-08-21 19:01:21,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2406 states. [2020-08-21 19:01:21,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2406 to 2235. [2020-08-21 19:01:21,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2235 states. [2020-08-21 19:01:21,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 2881 transitions. [2020-08-21 19:01:21,391 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 2881 transitions. Word has length 318 [2020-08-21 19:01:21,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:01:21,392 INFO L479 AbstractCegarLoop]: Abstraction has 2235 states and 2881 transitions. [2020-08-21 19:01:21,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 19:01:21,392 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2881 transitions. [2020-08-21 19:01:21,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-08-21 19:01:21,401 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:01:21,402 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:01:21,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 19:01:21,402 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:01:21,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:01:21,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1438676915, now seen corresponding path program 1 times [2020-08-21 19:01:21,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:01:21,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [322640899] [2020-08-21 19:01:21,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:01:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:21,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:01:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:21,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:01:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:21,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-08-21 19:01:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:21,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-08-21 19:01:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:21,838 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 244 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-08-21 19:01:21,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [322640899] [2020-08-21 19:01:21,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:01:21,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 19:01:21,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518691861] [2020-08-21 19:01:21,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 19:01:21,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:01:21,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 19:01:21,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 19:01:21,842 INFO L87 Difference]: Start difference. First operand 2235 states and 2881 transitions. Second operand 7 states. [2020-08-21 19:01:23,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:01:23,426 INFO L93 Difference]: Finished difference Result 5209 states and 6852 transitions. [2020-08-21 19:01:23,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 19:01:23,427 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 337 [2020-08-21 19:01:23,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:01:23,443 INFO L225 Difference]: With dead ends: 5209 [2020-08-21 19:01:23,443 INFO L226 Difference]: Without dead ends: 3123 [2020-08-21 19:01:23,450 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 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 19:01:23,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3123 states. [2020-08-21 19:01:23,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3123 to 2962. [2020-08-21 19:01:23,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2962 states. [2020-08-21 19:01:23,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2962 states and 3768 transitions. [2020-08-21 19:01:23,546 INFO L78 Accepts]: Start accepts. Automaton has 2962 states and 3768 transitions. Word has length 337 [2020-08-21 19:01:23,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:01:23,547 INFO L479 AbstractCegarLoop]: Abstraction has 2962 states and 3768 transitions. [2020-08-21 19:01:23,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 19:01:23,549 INFO L276 IsEmpty]: Start isEmpty. Operand 2962 states and 3768 transitions. [2020-08-21 19:01:23,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-08-21 19:01:23,563 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:01:23,565 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:01:23,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 19:01:23,566 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:01:23,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:01:23,566 INFO L82 PathProgramCache]: Analyzing trace with hash 452449707, now seen corresponding path program 1 times [2020-08-21 19:01:23,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:01:23,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1174400961] [2020-08-21 19:01:23,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:01:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:23,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:01:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:23,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:01:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:23,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-08-21 19:01:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:23,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-08-21 19:01:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:24,205 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 170 proven. 81 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-08-21 19:01:24,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1174400961] [2020-08-21 19:01:24,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:01:24,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 19:01:24,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933270009] [2020-08-21 19:01:24,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 19:01:24,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:01:24,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 19:01:24,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-08-21 19:01:24,208 INFO L87 Difference]: Start difference. First operand 2962 states and 3768 transitions. Second operand 9 states. [2020-08-21 19:01:26,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:01:26,882 INFO L93 Difference]: Finished difference Result 6369 states and 8193 transitions. [2020-08-21 19:01:26,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-21 19:01:26,883 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 341 [2020-08-21 19:01:26,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:01:26,900 INFO L225 Difference]: With dead ends: 6369 [2020-08-21 19:01:26,900 INFO L226 Difference]: Without dead ends: 3556 [2020-08-21 19:01:26,907 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2020-08-21 19:01:26,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3556 states. [2020-08-21 19:01:26,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3556 to 3407. [2020-08-21 19:01:26,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3407 states. [2020-08-21 19:01:26,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 3407 states and 4305 transitions. [2020-08-21 19:01:26,997 INFO L78 Accepts]: Start accepts. Automaton has 3407 states and 4305 transitions. Word has length 341 [2020-08-21 19:01:26,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:01:26,997 INFO L479 AbstractCegarLoop]: Abstraction has 3407 states and 4305 transitions. [2020-08-21 19:01:26,998 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 19:01:26,998 INFO L276 IsEmpty]: Start isEmpty. Operand 3407 states and 4305 transitions. [2020-08-21 19:01:27,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-08-21 19:01:27,010 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:01:27,011 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 19:01:27,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 19:01:27,011 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:01:27,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:01:27,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1521404487, now seen corresponding path program 1 times [2020-08-21 19:01:27,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:01:27,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1519089880] [2020-08-21 19:01:27,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:01:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:27,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:01:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:27,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:01:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:27,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-21 19:01:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:27,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-08-21 19:01:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:27,539 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 258 proven. 10 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-08-21 19:01:27,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1519089880] [2020-08-21 19:01:27,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:01:27,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 19:01:27,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075227691] [2020-08-21 19:01:27,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 19:01:27,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:01:27,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 19:01:27,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-08-21 19:01:27,543 INFO L87 Difference]: Start difference. First operand 3407 states and 4305 transitions. Second operand 11 states. [2020-08-21 19:01:33,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:01:33,124 INFO L93 Difference]: Finished difference Result 7253 states and 9195 transitions. [2020-08-21 19:01:33,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-21 19:01:33,125 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 343 [2020-08-21 19:01:33,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:01:33,126 INFO L225 Difference]: With dead ends: 7253 [2020-08-21 19:01:33,126 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 19:01:33,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2020-08-21 19:01:33,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 19:01:33,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 19:01:33,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 19:01:33,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 19:01:33,141 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 343 [2020-08-21 19:01:33,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:01:33,141 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 19:01:33,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 19:01:33,141 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 19:01:33,141 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 19:01:33,141 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 19:01:33,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 19:01:33,714 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 144 [2020-08-21 19:01:33,934 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 144 [2020-08-21 19:01:34,890 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 41 [2020-08-21 19:01:35,478 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 53 [2020-08-21 19:01:36,067 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 53 [2020-08-21 19:01:36,071 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 19:01:36,072 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 19:01:36,072 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 19:01:36,072 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-21 19:01:36,072 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,072 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,073 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,073 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,073 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,073 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,073 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-21 19:01:36,073 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-21 19:01:36,073 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-21 19:01:36,073 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-21 19:01:36,074 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-21 19:01:36,074 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-21 19:01:36,074 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-21 19:01:36,074 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-21 19:01:36,074 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-21 19:01:36,074 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-21 19:01:36,074 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-21 19:01:36,074 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,075 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,075 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,075 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,075 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,075 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-21 19:01:36,075 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-21 19:01:36,076 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-21 19:01:36,076 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-21 19:01:36,076 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-21 19:01:36,076 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-21 19:01:36,076 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-21 19:01:36,076 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-21 19:01:36,076 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-21 19:01:36,076 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-21 19:01:36,077 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-21 19:01:36,077 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-21 19:01:36,077 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-21 19:01:36,077 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2020-08-21 19:01:36,077 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-21 19:01:36,077 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,077 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,078 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,078 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,078 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,078 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-21 19:01:36,078 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-21 19:01:36,078 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-21 19:01:36,078 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-21 19:01:36,078 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-21 19:01:36,078 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-21 19:01:36,079 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-21 19:01:36,079 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-21 19:01:36,079 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-21 19:01:36,079 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-21 19:01:36,079 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,079 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,079 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,079 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,080 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,080 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-21 19:01:36,080 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-21 19:01:36,080 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-21 19:01:36,080 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-21 19:01:36,080 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-21 19:01:36,080 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-21 19:01:36,080 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-21 19:01:36,080 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-21 19:01:36,081 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-21 19:01:36,081 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-21 19:01:36,081 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-21 19:01:36,081 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-21 19:01:36,081 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-21 19:01:36,081 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,081 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,081 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,082 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,082 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,082 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-21 19:01:36,082 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-21 19:01:36,082 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-21 19:01:36,082 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-21 19:01:36,082 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-21 19:01:36,082 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-21 19:01:36,082 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-21 19:01:36,083 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-21 19:01:36,083 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-21 19:01:36,083 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,083 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,083 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,083 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,083 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,083 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,083 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,084 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-21 19:01:36,084 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-21 19:01:36,084 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-21 19:01:36,084 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-21 19:01:36,084 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-21 19:01:36,084 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-21 19:01:36,084 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-21 19:01:36,084 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-21 19:01:36,084 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-21 19:01:36,085 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-21 19:01:36,085 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-21 19:01:36,085 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-21 19:01:36,085 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-21 19:01:36,085 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,085 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,085 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,085 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,085 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-21 19:01:36,086 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,086 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,086 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-21 19:01:36,086 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-21 19:01:36,086 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-21 19:01:36,086 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-21 19:01:36,086 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-21 19:01:36,086 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-21 19:01:36,086 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-21 19:01:36,087 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-21 19:01:36,087 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-21 19:01:36,087 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-21 19:01:36,087 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-21 19:01:36,087 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-21 19:01:36,087 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-21 19:01:36,087 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,087 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,087 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,088 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,088 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,088 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,088 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-21 19:01:36,088 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-21 19:01:36,088 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-21 19:01:36,088 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-21 19:01:36,088 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-21 19:01:36,089 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-21 19:01:36,089 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-21 19:01:36,089 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-21 19:01:36,089 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-21 19:01:36,089 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-21 19:01:36,089 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-21 19:01:36,089 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse2 (not (<= |old(~a19~0)| 9))) (.cse0 (= 7 |old(~a19~0)|)) (.cse1 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse3 (not (= 14 ~a4~0))) (.cse4 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 (not (= 2 |old(~a10~0)|)) .cse4) (or .cse0 (not (<= |old(~a10~0)| 0)) .cse1 .cse3 .cse4) (or .cse1 (not (= |old(~a10~0)| 1)) .cse3 .cse4))) [2020-08-21 19:01:36,090 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-21 19:01:36,090 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-21 19:01:36,090 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-21 19:01:36,090 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,090 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,090 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,090 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,090 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,090 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,090 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-21 19:01:36,091 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-21 19:01:36,091 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-21 19:01:36,091 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-21 19:01:36,091 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-21 19:01:36,091 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-21 19:01:36,091 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-21 19:01:36,091 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-21 19:01:36,091 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-21 19:01:36,091 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-21 19:01:36,092 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-21 19:01:36,092 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-21 19:01:36,092 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-21 19:01:36,092 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,092 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,092 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,092 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,092 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,092 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,093 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-21 19:01:36,093 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-21 19:01:36,093 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-21 19:01:36,093 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-21 19:01:36,093 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-21 19:01:36,093 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-21 19:01:36,093 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-21 19:01:36,093 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-21 19:01:36,093 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-21 19:01:36,094 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-21 19:01:36,094 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-21 19:01:36,094 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-21 19:01:36,094 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,094 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,094 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,094 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,094 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,095 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:01:36,095 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-21 19:01:36,095 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-21 19:01:36,095 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-21 19:01:36,095 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-21 19:01:36,095 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-21 19:01:36,095 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-21 19:01:36,095 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-21 19:01:36,095 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-21 19:01:36,096 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-21 19:01:36,096 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-21 19:01:36,096 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-21 19:01:36,096 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-21 19:01:36,096 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 19:01:36,096 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a4~0 14) (<= 23 ~a1~0) (<= 9 ~a19~0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-08-21 19:01:36,096 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 19:01:36,097 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 19:01:36,097 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)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (and (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-08-21 19:01:36,097 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-21 19:01:36,097 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (not (= 7 ~a19~0))) (.cse2 (= 0 |old(~a10~0)|)) (.cse3 (= ~a10~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2) (and (= ~a10~0 2) .cse0 .cse2) (and (<= ~a10~0 0) .cse1 .cse2) (and (= ~a19~0 8) .cse3 (<= 331505 ~a1~0)) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)))) [2020-08-21 19:01:36,097 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-21 19:01:36,097 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-21 19:01:36,098 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (not (= 7 ~a19~0))) (.cse2 (= 0 |old(~a10~0)|)) (.cse3 (= ~a10~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2) (and (= ~a10~0 2) .cse0 .cse2) (and (<= ~a10~0 0) .cse1 .cse2) (and (= ~a19~0 8) .cse3 (<= 331505 ~a1~0)) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)))) [2020-08-21 19:01:36,098 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-21 19:01:36,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 07:01:36 BoogieIcfgContainer [2020-08-21 19:01:36,123 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 19:01:36,124 INFO L168 Benchmark]: Toolchain (without parser) took 36288.85 ms. Allocated memory was 141.0 MB in the beginning and 616.0 MB in the end (delta: 475.0 MB). Free memory was 102.7 MB in the beginning and 527.3 MB in the end (delta: -424.6 MB). Peak memory consumption was 489.3 MB. Max. memory is 7.1 GB. [2020-08-21 19:01:36,125 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 19:01:36,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.50 ms. Allocated memory was 141.0 MB in the beginning and 206.6 MB in the end (delta: 65.5 MB). Free memory was 102.5 MB in the beginning and 172.6 MB in the end (delta: -70.1 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. [2020-08-21 19:01:36,127 INFO L168 Benchmark]: Boogie Preprocessor took 140.99 ms. Allocated memory is still 206.6 MB. Free memory was 172.6 MB in the beginning and 168.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-21 19:01:36,128 INFO L168 Benchmark]: RCFGBuilder took 1551.22 ms. Allocated memory was 206.6 MB in the beginning and 236.5 MB in the end (delta: 29.9 MB). Free memory was 167.7 MB in the beginning and 178.4 MB in the end (delta: -10.7 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. [2020-08-21 19:01:36,129 INFO L168 Benchmark]: TraceAbstraction took 33882.46 ms. Allocated memory was 236.5 MB in the beginning and 616.0 MB in the end (delta: 379.6 MB). Free memory was 178.4 MB in the beginning and 527.3 MB in the end (delta: -348.9 MB). Peak memory consumption was 469.5 MB. Max. memory is 7.1 GB. [2020-08-21 19:01:36,132 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 708.50 ms. Allocated memory was 141.0 MB in the beginning and 206.6 MB in the end (delta: 65.5 MB). Free memory was 102.5 MB in the beginning and 172.6 MB in the end (delta: -70.1 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.99 ms. Allocated memory is still 206.6 MB. Free memory was 172.6 MB in the beginning and 168.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1551.22 ms. Allocated memory was 206.6 MB in the beginning and 236.5 MB in the end (delta: 29.9 MB). Free memory was 167.7 MB in the beginning and 178.4 MB in the end (delta: -10.7 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 33882.46 ms. Allocated memory was 236.5 MB in the beginning and 616.0 MB in the end (delta: 379.6 MB). Free memory was 178.4 MB in the beginning and 527.3 MB in the end (delta: -348.9 MB). Peak memory consumption was 469.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 88]: 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: (((((((((((((a19 <= 9 && !(7 == a19)) && 0 == \old(a10)) || (a10 == 1 && 0 == \old(a10))) || ((a10 == 2 && a19 <= 9) && 0 == \old(a10))) || ((a10 <= 0 && !(7 == a19)) && 0 == \old(a10))) || ((a19 == 8 && a10 == 1) && 331505 <= a1)) || !(a12 == 0)) || !(23 <= \old(a1))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (((23 <= a1 && a1 <= 23) && a19 == \old(a19)) && a10 == \old(a10))) || !(\old(a1) <= 23)) || !(14 == a4)) || !(\old(a19) <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30.8s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 25.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 321 SDtfs, 6801 SDslu, 489 SDs, 0 SdLazy, 14651 SolverSat, 2532 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 17.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 239 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3407occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 2331 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 135 PreInvPairs, 195 NumberOfFragments, 384 HoareAnnotationTreeSize, 135 FomulaSimplifications, 45664 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14335 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 2332 NumberOfCodeBlocks, 2332 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2322 ConstructedInterpolants, 0 QuantifiedInterpolants, 1721209 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 1417/1972 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...