/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=NARROWEST --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_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 21:26:48,516 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-21 21:26:48,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 21:26:48,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 21:26:48,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 21:26:48,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 21:26:48,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 21:26:48,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 21:26:48,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 21:26:48,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 21:26:48,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 21:26:48,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 21:26:48,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 21:26:48,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 21:26:48,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 21:26:48,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 21:26:48,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 21:26:48,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 21:26:48,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 21:26:48,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 21:26:48,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 21:26:48,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 21:26:48,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 21:26:48,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 21:26:48,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 21:26:48,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 21:26:48,651 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 21:26:48,694 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 21:26:48,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 21:26:48,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 21:26:48,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 21:26:48,697 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 21:26:48,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 21:26:48,697 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 21:26:48,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 21:26:48,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 21:26:48,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 21:26:48,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 21:26:48,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 21:26:48,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 21:26:48,700 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 21:26:48,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 21:26:48,700 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 21:26:48,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 21:26:48,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 21:26:48,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 21:26:48,701 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 21:26:48,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 21:26:48,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 21:26:48,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 21:26:48,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 21:26:48,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 21:26:48,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 21:26:48,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 21:26:48,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 21:26:48,704 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 21:26:48,704 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=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; [2020-08-21 21:26:49,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 21:26:49,022 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 21:26:49,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 21:26:49,029 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 21:26:49,030 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 21:26:49,031 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label53.c [2020-08-21 21:26:49,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8bb12b89/fe350a9e07934717b9d51615b1702fed/FLAGaa15b617d [2020-08-21 21:26:49,664 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 21:26:49,665 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label53.c [2020-08-21 21:26:49,680 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8bb12b89/fe350a9e07934717b9d51615b1702fed/FLAGaa15b617d [2020-08-21 21:26:49,947 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8bb12b89/fe350a9e07934717b9d51615b1702fed [2020-08-21 21:26:49,955 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 21:26:49,956 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 21:26:49,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 21:26:49,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 21:26:49,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 21:26:49,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:26:49" (1/1) ... [2020-08-21 21:26:49,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e20dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:26:49, skipping insertion in model container [2020-08-21 21:26:49,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:26:49" (1/1) ... [2020-08-21 21:26:49,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 21:26:50,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 21:26:50,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:26:50,581 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 21:26:50,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:26:50,722 INFO L208 MainTranslator]: Completed translation [2020-08-21 21:26:50,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:26:50 WrapperNode [2020-08-21 21:26:50,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 21:26:50,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 21:26:50,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 21:26:50,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 21:26:50,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:26:50" (1/1) ... [2020-08-21 21:26:50,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:26:50" (1/1) ... [2020-08-21 21:26:50,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:26:50" (1/1) ... [2020-08-21 21:26:50,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:26:50" (1/1) ... [2020-08-21 21:26:50,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:26:50" (1/1) ... [2020-08-21 21:26:50,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:26:50" (1/1) ... [2020-08-21 21:26:50,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:26:50" (1/1) ... [2020-08-21 21:26:50,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 21:26:50,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 21:26:50,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 21:26:50,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 21:26:50,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:26:50" (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 21:26:50,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 21:26:50,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 21:26:50,969 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 21:26:50,970 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 21:26:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 21:26:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 21:26:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 21:26:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 21:26:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 21:26:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 21:26:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 21:26:52,295 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 21:26:52,295 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 21:26:52,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:26:52 BoogieIcfgContainer [2020-08-21 21:26:52,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 21:26:52,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 21:26:52,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 21:26:52,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 21:26:52,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 09:26:49" (1/3) ... [2020-08-21 21:26:52,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6691fa92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:26:52, skipping insertion in model container [2020-08-21 21:26:52,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:26:50" (2/3) ... [2020-08-21 21:26:52,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6691fa92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:26:52, skipping insertion in model container [2020-08-21 21:26:52,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:26:52" (3/3) ... [2020-08-21 21:26:52,311 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label53.c [2020-08-21 21:26:52,324 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 21:26:52,333 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 21:26:52,350 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 21:26:52,381 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 21:26:52,381 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 21:26:52,382 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 21:26:52,382 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 21:26:52,382 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 21:26:52,382 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 21:26:52,383 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 21:26:52,383 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 21:26:52,408 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-21 21:26:52,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-08-21 21:26:52,417 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:26:52,418 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:26:52,418 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:26:52,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:26:52,425 INFO L82 PathProgramCache]: Analyzing trace with hash 253834415, now seen corresponding path program 1 times [2020-08-21 21:26:52,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:26:52,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375033966] [2020-08-21 21:26:52,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:26:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:26:52,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:26:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:26:52,865 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 21:26:52,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [375033966] [2020-08-21 21:26:52,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:26:52,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 21:26:52,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884358625] [2020-08-21 21:26:52,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 21:26:52,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:26:52,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 21:26:52,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 21:26:52,896 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-21 21:26:55,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:26:55,081 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-08-21 21:26:55,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 21:26:55,084 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-08-21 21:26:55,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:26:55,113 INFO L225 Difference]: With dead ends: 730 [2020-08-21 21:26:55,113 INFO L226 Difference]: Without dead ends: 447 [2020-08-21 21:26:55,122 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 21:26:55,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-21 21:26:55,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-08-21 21:26:55,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-08-21 21:26:55,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-08-21 21:26:55,222 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 48 [2020-08-21 21:26:55,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:26:55,223 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-08-21 21:26:55,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 21:26:55,223 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-08-21 21:26:55,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-08-21 21:26:55,230 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:26:55,230 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:26:55,231 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 21:26:55,231 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:26:55,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:26:55,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1295505465, now seen corresponding path program 1 times [2020-08-21 21:26:55,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:26:55,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [602762822] [2020-08-21 21:26:55,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:26:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:26:55,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:26:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:26:55,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 21:26:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:26:55,543 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:26:55,544 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [602762822] [2020-08-21 21:26:55,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:26:55,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 21:26:55,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250806684] [2020-08-21 21:26:55,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 21:26:55,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:26:55,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 21:26:55,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:26:55,548 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-08-21 21:26:57,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:26:57,183 INFO L93 Difference]: Finished difference Result 1041 states and 1612 transitions. [2020-08-21 21:26:57,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 21:26:57,184 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2020-08-21 21:26:57,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:26:57,189 INFO L225 Difference]: With dead ends: 1041 [2020-08-21 21:26:57,189 INFO L226 Difference]: Without dead ends: 606 [2020-08-21 21:26:57,191 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 21:26:57,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-08-21 21:26:57,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 592. [2020-08-21 21:26:57,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-08-21 21:26:57,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 829 transitions. [2020-08-21 21:26:57,231 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 829 transitions. Word has length 121 [2020-08-21 21:26:57,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:26:57,232 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 829 transitions. [2020-08-21 21:26:57,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 21:26:57,232 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions. [2020-08-21 21:26:57,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-08-21 21:26:57,236 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:26:57,236 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:26:57,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 21:26:57,237 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:26:57,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:26:57,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1735493107, now seen corresponding path program 1 times [2020-08-21 21:26:57,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:26:57,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [481479139] [2020-08-21 21:26:57,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:26:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:26:57,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:26:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:26:57,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 21:26:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:26:57,520 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 24 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:26:57,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [481479139] [2020-08-21 21:26:57,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:26:57,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 21:26:57,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475107648] [2020-08-21 21:26:57,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 21:26:57,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:26:57,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 21:26:57,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:26:57,523 INFO L87 Difference]: Start difference. First operand 592 states and 829 transitions. Second operand 8 states. [2020-08-21 21:26:59,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:26:59,312 INFO L93 Difference]: Finished difference Result 1821 states and 2679 transitions. [2020-08-21 21:26:59,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 21:26:59,314 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 127 [2020-08-21 21:26:59,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:26:59,329 INFO L225 Difference]: With dead ends: 1821 [2020-08-21 21:26:59,330 INFO L226 Difference]: Without dead ends: 1208 [2020-08-21 21:26:59,332 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-08-21 21:26:59,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2020-08-21 21:26:59,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1035. [2020-08-21 21:26:59,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2020-08-21 21:26:59,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1482 transitions. [2020-08-21 21:26:59,392 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1482 transitions. Word has length 127 [2020-08-21 21:26:59,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:26:59,393 INFO L479 AbstractCegarLoop]: Abstraction has 1035 states and 1482 transitions. [2020-08-21 21:26:59,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 21:26:59,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1482 transitions. [2020-08-21 21:26:59,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-08-21 21:26:59,398 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:26:59,398 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:26:59,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 21:26:59,398 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:26:59,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:26:59,399 INFO L82 PathProgramCache]: Analyzing trace with hash 865078570, now seen corresponding path program 1 times [2020-08-21 21:26:59,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:26:59,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [419858332] [2020-08-21 21:26:59,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:26:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:26:59,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:26:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:26:59,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 21:26:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:26:59,580 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:26:59,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [419858332] [2020-08-21 21:26:59,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:26:59,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 21:26:59,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452821908] [2020-08-21 21:26:59,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 21:26:59,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:26:59,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 21:26:59,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 21:26:59,583 INFO L87 Difference]: Start difference. First operand 1035 states and 1482 transitions. Second operand 7 states. [2020-08-21 21:27:01,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:27:01,027 INFO L93 Difference]: Finished difference Result 2664 states and 3890 transitions. [2020-08-21 21:27:01,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 21:27:01,028 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 138 [2020-08-21 21:27:01,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:27:01,047 INFO L225 Difference]: With dead ends: 2664 [2020-08-21 21:27:01,048 INFO L226 Difference]: Without dead ends: 1635 [2020-08-21 21:27:01,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-21 21:27:01,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2020-08-21 21:27:01,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1339. [2020-08-21 21:27:01,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1339 states. [2020-08-21 21:27:01,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 1904 transitions. [2020-08-21 21:27:01,137 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 1904 transitions. Word has length 138 [2020-08-21 21:27:01,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:27:01,139 INFO L479 AbstractCegarLoop]: Abstraction has 1339 states and 1904 transitions. [2020-08-21 21:27:01,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 21:27:01,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1904 transitions. [2020-08-21 21:27:01,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-08-21 21:27:01,146 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:27:01,146 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:27:01,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 21:27:01,148 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:27:01,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:27:01,148 INFO L82 PathProgramCache]: Analyzing trace with hash 881347486, now seen corresponding path program 1 times [2020-08-21 21:27:01,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:27:01,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [267779168] [2020-08-21 21:27:01,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:27:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:01,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:27:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:01,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 21:27:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:01,448 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:27:01,448 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [267779168] [2020-08-21 21:27:01,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:27:01,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 21:27:01,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662811055] [2020-08-21 21:27:01,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 21:27:01,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:27:01,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 21:27:01,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:27:01,451 INFO L87 Difference]: Start difference. First operand 1339 states and 1904 transitions. Second operand 8 states. [2020-08-21 21:27:03,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:27:03,596 INFO L93 Difference]: Finished difference Result 3999 states and 5910 transitions. [2020-08-21 21:27:03,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 21:27:03,599 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 160 [2020-08-21 21:27:03,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:27:03,617 INFO L225 Difference]: With dead ends: 3999 [2020-08-21 21:27:03,617 INFO L226 Difference]: Without dead ends: 2809 [2020-08-21 21:27:03,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-08-21 21:27:03,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2809 states. [2020-08-21 21:27:03,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2809 to 2368. [2020-08-21 21:27:03,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2368 states. [2020-08-21 21:27:03,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 2368 states and 3265 transitions. [2020-08-21 21:27:03,705 INFO L78 Accepts]: Start accepts. Automaton has 2368 states and 3265 transitions. Word has length 160 [2020-08-21 21:27:03,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:27:03,706 INFO L479 AbstractCegarLoop]: Abstraction has 2368 states and 3265 transitions. [2020-08-21 21:27:03,706 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 21:27:03,706 INFO L276 IsEmpty]: Start isEmpty. Operand 2368 states and 3265 transitions. [2020-08-21 21:27:03,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-08-21 21:27:03,710 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:27:03,711 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:27:03,711 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 21:27:03,712 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:27:03,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:27:03,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1319535158, now seen corresponding path program 1 times [2020-08-21 21:27:03,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:27:03,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1275869268] [2020-08-21 21:27:03,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:27:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:03,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:27:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:03,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 21:27:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:03,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 21:27:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:04,189 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 146 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 21:27:04,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1275869268] [2020-08-21 21:27:04,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:27:04,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 21:27:04,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894450400] [2020-08-21 21:27:04,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 21:27:04,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:27:04,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 21:27:04,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-21 21:27:04,194 INFO L87 Difference]: Start difference. First operand 2368 states and 3265 transitions. Second operand 10 states. [2020-08-21 21:27:07,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:27:07,787 INFO L93 Difference]: Finished difference Result 5616 states and 7776 transitions. [2020-08-21 21:27:07,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-21 21:27:07,796 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 197 [2020-08-21 21:27:07,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:27:07,814 INFO L225 Difference]: With dead ends: 5616 [2020-08-21 21:27:07,815 INFO L226 Difference]: Without dead ends: 3254 [2020-08-21 21:27:07,823 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2020-08-21 21:27:07,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3254 states. [2020-08-21 21:27:07,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3254 to 2960. [2020-08-21 21:27:07,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2960 states. [2020-08-21 21:27:07,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 3805 transitions. [2020-08-21 21:27:07,963 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 3805 transitions. Word has length 197 [2020-08-21 21:27:07,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:27:07,964 INFO L479 AbstractCegarLoop]: Abstraction has 2960 states and 3805 transitions. [2020-08-21 21:27:07,964 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 21:27:07,964 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 3805 transitions. [2020-08-21 21:27:07,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-08-21 21:27:07,969 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:27:07,969 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:27:07,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 21:27:07,970 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:27:07,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:27:07,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1444149127, now seen corresponding path program 1 times [2020-08-21 21:27:07,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:27:07,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [969200139] [2020-08-21 21:27:07,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:27:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:08,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:27:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:08,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 21:27:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:08,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-21 21:27:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:08,220 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 82 proven. 85 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-21 21:27:08,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [969200139] [2020-08-21 21:27:08,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:27:08,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 21:27:08,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158430702] [2020-08-21 21:27:08,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 21:27:08,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:27:08,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 21:27:08,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 21:27:08,223 INFO L87 Difference]: Start difference. First operand 2960 states and 3805 transitions. Second operand 7 states. [2020-08-21 21:27:09,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:27:09,608 INFO L93 Difference]: Finished difference Result 6073 states and 7848 transitions. [2020-08-21 21:27:09,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 21:27:09,609 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 234 [2020-08-21 21:27:09,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:27:09,625 INFO L225 Difference]: With dead ends: 6073 [2020-08-21 21:27:09,626 INFO L226 Difference]: Without dead ends: 3119 [2020-08-21 21:27:09,633 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 21:27:09,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3119 states. [2020-08-21 21:27:09,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3119 to 3105. [2020-08-21 21:27:09,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3105 states. [2020-08-21 21:27:09,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3105 states to 3105 states and 3960 transitions. [2020-08-21 21:27:09,726 INFO L78 Accepts]: Start accepts. Automaton has 3105 states and 3960 transitions. Word has length 234 [2020-08-21 21:27:09,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:27:09,727 INFO L479 AbstractCegarLoop]: Abstraction has 3105 states and 3960 transitions. [2020-08-21 21:27:09,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 21:27:09,727 INFO L276 IsEmpty]: Start isEmpty. Operand 3105 states and 3960 transitions. [2020-08-21 21:27:09,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-08-21 21:27:09,732 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:27:09,733 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:27:09,733 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 21:27:09,733 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:27:09,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:27:09,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1397446144, now seen corresponding path program 1 times [2020-08-21 21:27:09,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:27:09,735 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1916763517] [2020-08-21 21:27:09,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:27:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:09,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:27:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:09,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 21:27:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:09,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-21 21:27:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:10,085 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 169 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 21:27:10,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1916763517] [2020-08-21 21:27:10,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:27:10,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 21:27:10,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95770651] [2020-08-21 21:27:10,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 21:27:10,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:27:10,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 21:27:10,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 21:27:10,089 INFO L87 Difference]: Start difference. First operand 3105 states and 3960 transitions. Second operand 7 states. [2020-08-21 21:27:11,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:27:11,877 INFO L93 Difference]: Finished difference Result 6069 states and 7818 transitions. [2020-08-21 21:27:11,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 21:27:11,878 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 253 [2020-08-21 21:27:11,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:27:11,893 INFO L225 Difference]: With dead ends: 6069 [2020-08-21 21:27:11,893 INFO L226 Difference]: Without dead ends: 3113 [2020-08-21 21:27:11,901 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 21:27:11,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3113 states. [2020-08-21 21:27:11,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3113 to 2674. [2020-08-21 21:27:11,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2020-08-21 21:27:11,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3207 transitions. [2020-08-21 21:27:11,977 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3207 transitions. Word has length 253 [2020-08-21 21:27:11,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:27:11,978 INFO L479 AbstractCegarLoop]: Abstraction has 2674 states and 3207 transitions. [2020-08-21 21:27:11,978 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 21:27:11,978 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3207 transitions. [2020-08-21 21:27:11,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-08-21 21:27:11,984 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:27:11,985 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:27:11,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 21:27:11,985 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:27:11,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:27:11,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1784985051, now seen corresponding path program 1 times [2020-08-21 21:27:11,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:27:11,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [917744404] [2020-08-21 21:27:11,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:27:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:12,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:27:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:12,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 21:27:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:12,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 21:27:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:12,333 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 149 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 21:27:12,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [917744404] [2020-08-21 21:27:12,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:27:12,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 21:27:12,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889739547] [2020-08-21 21:27:12,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 21:27:12,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:27:12,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 21:27:12,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 21:27:12,346 INFO L87 Difference]: Start difference. First operand 2674 states and 3207 transitions. Second operand 7 states. [2020-08-21 21:27:13,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:27:13,850 INFO L93 Difference]: Finished difference Result 5209 states and 6286 transitions. [2020-08-21 21:27:13,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 21:27:13,851 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 260 [2020-08-21 21:27:13,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:27:13,862 INFO L225 Difference]: With dead ends: 5209 [2020-08-21 21:27:13,862 INFO L226 Difference]: Without dead ends: 2684 [2020-08-21 21:27:13,869 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 21:27:13,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2684 states. [2020-08-21 21:27:13,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2684 to 2235. [2020-08-21 21:27:13,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2235 states. [2020-08-21 21:27:13,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 2591 transitions. [2020-08-21 21:27:13,929 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 2591 transitions. Word has length 260 [2020-08-21 21:27:13,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:27:13,929 INFO L479 AbstractCegarLoop]: Abstraction has 2235 states and 2591 transitions. [2020-08-21 21:27:13,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 21:27:13,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2591 transitions. [2020-08-21 21:27:13,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-08-21 21:27:13,937 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:27:13,937 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:27:13,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 21:27:13,938 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:27:13,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:27:13,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1994852443, now seen corresponding path program 1 times [2020-08-21 21:27:13,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:27:13,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1029035551] [2020-08-21 21:27:13,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:27:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:14,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:27:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:14,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 21:27:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:14,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-21 21:27:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:27:14,312 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-08-21 21:27:14,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1029035551] [2020-08-21 21:27:14,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:27:14,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 21:27:14,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526863489] [2020-08-21 21:27:14,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 21:27:14,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:27:14,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 21:27:14,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 21:27:14,315 INFO L87 Difference]: Start difference. First operand 2235 states and 2591 transitions. Second operand 5 states. [2020-08-21 21:27:15,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:27:15,509 INFO L93 Difference]: Finished difference Result 4762 states and 5594 transitions. [2020-08-21 21:27:15,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 21:27:15,510 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 304 [2020-08-21 21:27:15,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:27:15,511 INFO L225 Difference]: With dead ends: 4762 [2020-08-21 21:27:15,511 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 21:27:15,523 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 21:27:15,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 21:27:15,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 21:27:15,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 21:27:15,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 21:27:15,524 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 304 [2020-08-21 21:27:15,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:27:15,524 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 21:27:15,524 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 21:27:15,524 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 21:27:15,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 21:27:15,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 21:27:15,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 21:27:15,930 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 95 [2020-08-21 21:27:16,052 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 95 [2020-08-21 21:27:16,812 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 61 [2020-08-21 21:27:17,489 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 57 [2020-08-21 21:27:18,106 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 57 [2020-08-21 21:27:18,111 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:27:18,111 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 21:27:18,111 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:27:18,112 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-21 21:27:18,112 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,112 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,112 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,112 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,112 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,112 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,112 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-21 21:27:18,112 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-21 21:27:18,112 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-21 21:27:18,112 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-21 21:27:18,112 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-21 21:27:18,112 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-21 21:27:18,113 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-21 21:27:18,113 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-21 21:27:18,113 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-21 21:27:18,113 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-21 21:27:18,113 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-21 21:27:18,113 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,113 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,113 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,114 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,114 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,114 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-21 21:27:18,114 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-21 21:27:18,114 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-21 21:27:18,114 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-21 21:27:18,114 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-21 21:27:18,114 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-21 21:27:18,114 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-21 21:27:18,115 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-21 21:27:18,115 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-21 21:27:18,115 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-21 21:27:18,115 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-21 21:27:18,115 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-21 21:27:18,115 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-21 21:27:18,115 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2020-08-21 21:27:18,116 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-21 21:27:18,116 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,116 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,116 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,116 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,116 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,116 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-21 21:27:18,116 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-21 21:27:18,116 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-21 21:27:18,117 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-21 21:27:18,117 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-21 21:27:18,117 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-21 21:27:18,117 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-21 21:27:18,117 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-21 21:27:18,117 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-21 21:27:18,117 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-21 21:27:18,117 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,117 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,118 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,118 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,118 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,118 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-21 21:27:18,118 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-21 21:27:18,118 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-21 21:27:18,118 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-21 21:27:18,118 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-21 21:27:18,119 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-21 21:27:18,119 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-21 21:27:18,119 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-21 21:27:18,119 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-21 21:27:18,119 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-21 21:27:18,119 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-21 21:27:18,119 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-21 21:27:18,119 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-21 21:27:18,119 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,120 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,120 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,120 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,120 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,120 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-21 21:27:18,120 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-21 21:27:18,120 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-21 21:27:18,120 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-21 21:27:18,120 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-21 21:27:18,121 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-21 21:27:18,121 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-21 21:27:18,121 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-21 21:27:18,121 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-21 21:27:18,121 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,121 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,121 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,121 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,121 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,122 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,122 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,122 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-21 21:27:18,122 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-21 21:27:18,122 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-21 21:27:18,122 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-21 21:27:18,122 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-21 21:27:18,122 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-21 21:27:18,122 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-21 21:27:18,122 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-21 21:27:18,122 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-21 21:27:18,122 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-21 21:27:18,122 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-21 21:27:18,123 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-21 21:27:18,123 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-21 21:27:18,123 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,123 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,123 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,123 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,123 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-21 21:27:18,123 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,124 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,124 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-21 21:27:18,124 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-21 21:27:18,124 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-21 21:27:18,124 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-21 21:27:18,124 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-21 21:27:18,124 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-21 21:27:18,124 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-21 21:27:18,124 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-21 21:27:18,124 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-21 21:27:18,124 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-21 21:27:18,124 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-21 21:27:18,124 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-21 21:27:18,125 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-21 21:27:18,125 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,125 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,125 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,125 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,125 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,125 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,125 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-21 21:27:18,125 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-21 21:27:18,125 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-21 21:27:18,125 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-21 21:27:18,125 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-21 21:27:18,125 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-21 21:27:18,126 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-21 21:27:18,126 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-21 21:27:18,126 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-21 21:27:18,126 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-21 21:27:18,126 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-21 21:27:18,126 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (not (= |old(~a10~0)| 1))) (.cse0 (not (<= 9 |old(~a19~0)|))) (.cse6 (not (<= |old(~a1~0)| 23))) (.cse7 (not (<= |old(~a10~0)| 0))) (.cse2 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse3 (not (<= |old(~a19~0)| 9))) (.cse4 (not (= 14 ~a4~0))) (.cse5 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse2 .cse3 (not (= 2 |old(~a10~0)|))) (or .cse1 .cse2 .cse4 .cse5) (or .cse2 .cse3 (not (= 4 |old(~a10~0)|))) (or .cse2 (and (or .cse6 .cse3) (or .cse3 (= 8 |old(~a19~0)|)))) (or .cse2 (and (or .cse0 (not (= 0 |old(~a10~0)|))) (or .cse7 .cse6))) (or .cse7 .cse2 .cse3 .cse4 .cse5))) [2020-08-21 21:27:18,126 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-21 21:27:18,126 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-21 21:27:18,127 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-21 21:27:18,127 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,127 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,127 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,127 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,127 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,127 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,127 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-21 21:27:18,128 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-21 21:27:18,128 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-21 21:27:18,128 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-21 21:27:18,128 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-21 21:27:18,128 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-21 21:27:18,128 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-21 21:27:18,128 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-21 21:27:18,128 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-21 21:27:18,128 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-21 21:27:18,128 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-21 21:27:18,128 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-21 21:27:18,128 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-21 21:27:18,129 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,129 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,129 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,129 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,129 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,129 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,129 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-21 21:27:18,129 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-21 21:27:18,129 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-21 21:27:18,129 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-21 21:27:18,129 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-21 21:27:18,129 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-21 21:27:18,129 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-21 21:27:18,129 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-21 21:27:18,129 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-21 21:27:18,130 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-21 21:27:18,130 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-21 21:27:18,130 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-21 21:27:18,130 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,130 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,130 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,130 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,130 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,130 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 21:27:18,130 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-21 21:27:18,130 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-21 21:27:18,130 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-21 21:27:18,130 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-21 21:27:18,130 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-21 21:27:18,131 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-21 21:27:18,131 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-21 21:27:18,131 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-21 21:27:18,131 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-21 21:27:18,131 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-21 21:27:18,131 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-21 21:27:18,131 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-21 21:27:18,131 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:27:18,131 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 21:27:18,131 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 21:27:18,131 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:27:18,131 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 21:27:18,131 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-21 21:27:18,132 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse2 (= ~a10~0 1)) (.cse6 (= ~a19~0 8)) (.cse3 (= ~a10~0 |old(~a10~0)|)) (.cse4 (<= ~a10~0 0)) (.cse0 (<= ~a19~0 9)) (.cse5 (<= ~a1~0 23)) (.cse1 (= 0 |old(~a10~0)|))) (or (and (= ~a10~0 2) .cse0 .cse1) (and .cse2 .cse1) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) .cse3) (and .cse4 .cse5 .cse1) (and .cse6 .cse2 (<= 331505 ~a1~0)) (and (not .cse6) .cse0 .cse1) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (and .cse1 .cse3) (and .cse0 (= ~a10~0 4) .cse1) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and .cse4 .cse0 .cse1) (and .cse0 .cse5 .cse1) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)))) [2020-08-21 21:27:18,132 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-21 21:27:18,132 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-21 21:27:18,132 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse2 (= ~a10~0 1)) (.cse6 (= ~a19~0 8)) (.cse3 (= ~a10~0 |old(~a10~0)|)) (.cse4 (<= ~a10~0 0)) (.cse0 (<= ~a19~0 9)) (.cse5 (<= ~a1~0 23)) (.cse1 (= 0 |old(~a10~0)|))) (or (and (= ~a10~0 2) .cse0 .cse1) (and .cse2 .cse1) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) .cse3) (and .cse4 .cse5 .cse1) (and .cse6 .cse2 (<= 331505 ~a1~0)) (and (not .cse6) .cse0 .cse1) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (and .cse1 .cse3) (and .cse0 (= ~a10~0 4) .cse1) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and .cse4 .cse0 .cse1) (and .cse0 .cse5 .cse1) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)))) [2020-08-21 21:27:18,132 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-21 21:27:18,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 09:27:18 BoogieIcfgContainer [2020-08-21 21:27:18,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 21:27:18,156 INFO L168 Benchmark]: Toolchain (without parser) took 28200.21 ms. Allocated memory was 144.2 MB in the beginning and 552.1 MB in the end (delta: 407.9 MB). Free memory was 105.8 MB in the beginning and 262.3 MB in the end (delta: -156.5 MB). Peak memory consumption was 383.2 MB. Max. memory is 7.1 GB. [2020-08-21 21:27:18,157 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 144.2 MB. Free memory was 125.7 MB in the beginning and 125.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 21:27:18,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.10 ms. Allocated memory was 144.2 MB in the beginning and 208.1 MB in the end (delta: 64.0 MB). Free memory was 105.6 MB in the beginning and 173.9 MB in the end (delta: -68.3 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2020-08-21 21:27:18,159 INFO L168 Benchmark]: Boogie Preprocessor took 164.22 ms. Allocated memory is still 208.1 MB. Free memory was 173.9 MB in the beginning and 169.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-08-21 21:27:18,160 INFO L168 Benchmark]: RCFGBuilder took 1413.59 ms. Allocated memory was 208.1 MB in the beginning and 234.4 MB in the end (delta: 26.2 MB). Free memory was 169.3 MB in the beginning and 169.7 MB in the end (delta: -359.8 kB). Peak memory consumption was 74.4 MB. Max. memory is 7.1 GB. [2020-08-21 21:27:18,160 INFO L168 Benchmark]: TraceAbstraction took 25851.49 ms. Allocated memory was 234.4 MB in the beginning and 552.1 MB in the end (delta: 317.7 MB). Free memory was 169.7 MB in the beginning and 262.3 MB in the end (delta: -92.7 MB). Peak memory consumption was 356.9 MB. Max. memory is 7.1 GB. [2020-08-21 21:27:18,164 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 144.2 MB. Free memory was 125.7 MB in the beginning and 125.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 766.10 ms. Allocated memory was 144.2 MB in the beginning and 208.1 MB in the end (delta: 64.0 MB). Free memory was 105.6 MB in the beginning and 173.9 MB in the end (delta: -68.3 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 164.22 ms. Allocated memory is still 208.1 MB. Free memory was 173.9 MB in the beginning and 169.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1413.59 ms. Allocated memory was 208.1 MB in the beginning and 234.4 MB in the end (delta: 26.2 MB). Free memory was 169.3 MB in the beginning and 169.7 MB in the end (delta: -359.8 kB). Peak memory consumption was 74.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25851.49 ms. Allocated memory was 234.4 MB in the beginning and 552.1 MB in the end (delta: 317.7 MB). Free memory was 169.7 MB in the beginning and 262.3 MB in the end (delta: -92.7 MB). Peak memory consumption was 356.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: 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: (((((((((((((((((a10 == 2 && a19 <= 9) && 0 == \old(a10)) || (a10 == 1 && 0 == \old(a10))) || ((a1 == \old(a1) && a19 == \old(a19)) && a10 == \old(a10))) || ((a10 <= 0 && a1 <= 23) && 0 == \old(a10))) || ((a19 == 8 && a10 == 1) && 331505 <= a1)) || ((!(a19 == 8) && a19 <= 9) && 0 == \old(a10))) || !(a12 == 0)) || !(23 <= \old(a1))) || (0 == \old(a10) && a10 == \old(a10))) || ((a19 <= 9 && a10 == 4) && 0 == \old(a10))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || ((a10 <= 0 && a19 <= 9) && 0 == \old(a10))) || ((a19 <= 9 && a1 <= 23) && 0 == \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: 23.1s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 18.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 300 SDtfs, 5358 SDslu, 485 SDs, 0 SdLazy, 12017 SolverSat, 1474 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3105occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 2126 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 136 PreInvPairs, 176 NumberOfFragments, 514 HoareAnnotationTreeSize, 136 FomulaSimplifications, 60824 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7145 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1842 NumberOfCodeBlocks, 1842 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1832 ConstructedInterpolants, 0 QuantifiedInterpolants, 868970 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 896/1009 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...