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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label50.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-07 20:12:08,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-07 20:12:08,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-07 20:12:08,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-07 20:12:08,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-07 20:12:08,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-07 20:12:08,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-07 20:12:08,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-07 20:12:08,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-07 20:12:08,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-07 20:12:08,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-07 20:12:08,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-07 20:12:08,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-07 20:12:08,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-07 20:12:08,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-07 20:12:08,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-07 20:12:08,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-07 20:12:08,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-07 20:12:08,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-07 20:12:08,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-07 20:12:08,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-07 20:12:08,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-07 20:12:08,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-07 20:12:08,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-07 20:12:08,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-07 20:12:08,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-07 20:12:08,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-07 20:12:08,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-07 20:12:08,797 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-07 20:12:08,811 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-07 20:12:08,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-07 20:12:08,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-07 20:12:08,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-07 20:12:08,814 INFO L138 SettingsManager]: * Use SBE=true [2019-09-07 20:12:08,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-07 20:12:08,814 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-07 20:12:08,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-07 20:12:08,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-07 20:12:08,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-07 20:12:08,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-07 20:12:08,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-07 20:12:08,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-07 20:12:08,815 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-07 20:12:08,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-07 20:12:08,816 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-07 20:12:08,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-07 20:12:08,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-07 20:12:08,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-07 20:12:08,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-07 20:12:08,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-07 20:12:08,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-07 20:12:08,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-07 20:12:08,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-07 20:12:08,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-07 20:12:08,818 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-07 20:12:08,818 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-07 20:12:08,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-07 20:12:08,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-07 20:12:08,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-07 20:12:08,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-07 20:12:08,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-07 20:12:08,866 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-07 20:12:08,866 INFO L275 PluginConnector]: CDTParser initialized [2019-09-07 20:12:08,867 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label50.c [2019-09-07 20:12:08,926 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/112a8c04f/be0e31817f51410893be26303f2a55e4/FLAGc4e527776 [2019-09-07 20:12:09,497 INFO L306 CDTParser]: Found 1 translation units. [2019-09-07 20:12:09,500 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label50.c [2019-09-07 20:12:09,523 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/112a8c04f/be0e31817f51410893be26303f2a55e4/FLAGc4e527776 [2019-09-07 20:12:09,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/112a8c04f/be0e31817f51410893be26303f2a55e4 [2019-09-07 20:12:09,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-07 20:12:09,787 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-07 20:12:09,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-07 20:12:09,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-07 20:12:09,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-07 20:12:09,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 08:12:09" (1/1) ... [2019-09-07 20:12:09,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74acbc84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:12:09, skipping insertion in model container [2019-09-07 20:12:09,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 08:12:09" (1/1) ... [2019-09-07 20:12:09,803 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-07 20:12:09,869 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-07 20:12:10,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 20:12:10,416 INFO L188 MainTranslator]: Completed pre-run [2019-09-07 20:12:10,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 20:12:10,653 INFO L192 MainTranslator]: Completed translation [2019-09-07 20:12:10,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:12:10 WrapperNode [2019-09-07 20:12:10,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-07 20:12:10,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-07 20:12:10,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-07 20:12:10,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-07 20:12:10,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:12:10" (1/1) ... [2019-09-07 20:12:10,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:12:10" (1/1) ... [2019-09-07 20:12:10,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:12:10" (1/1) ... [2019-09-07 20:12:10,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:12:10" (1/1) ... [2019-09-07 20:12:10,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:12:10" (1/1) ... [2019-09-07 20:12:10,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:12:10" (1/1) ... [2019-09-07 20:12:10,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:12:10" (1/1) ... [2019-09-07 20:12:10,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-07 20:12:10,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-07 20:12:10,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-07 20:12:10,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-07 20:12:10,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:12:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-09-07 20:12:10,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-07 20:12:10,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-07 20:12:10,901 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-07 20:12:10,901 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-07 20:12:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-07 20:12:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-07 20:12:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-07 20:12:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-07 20:12:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-07 20:12:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-07 20:12:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-07 20:12:12,401 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-07 20:12:12,402 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-07 20:12:12,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 08:12:12 BoogieIcfgContainer [2019-09-07 20:12:12,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-07 20:12:12,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-07 20:12:12,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-07 20:12:12,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-07 20:12:12,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 08:12:09" (1/3) ... [2019-09-07 20:12:12,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64159fd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 08:12:12, skipping insertion in model container [2019-09-07 20:12:12,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:12:10" (2/3) ... [2019-09-07 20:12:12,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64159fd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 08:12:12, skipping insertion in model container [2019-09-07 20:12:12,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 08:12:12" (3/3) ... [2019-09-07 20:12:12,412 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label50.c [2019-09-07 20:12:12,421 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-07 20:12:12,432 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-07 20:12:12,454 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-07 20:12:12,501 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-07 20:12:12,502 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-07 20:12:12,502 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-07 20:12:12,502 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-07 20:12:12,502 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-07 20:12:12,503 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-07 20:12:12,503 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-07 20:12:12,503 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-07 20:12:12,504 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-07 20:12:12,538 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2019-09-07 20:12:12,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-09-07 20:12:12,548 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 20:12:12,549 INFO L399 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] [2019-09-07 20:12:12,551 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 20:12:12,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 20:12:12,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1557712066, now seen corresponding path program 1 times [2019-09-07 20:12:12,558 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 20:12:12,559 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 20:12:12,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:12:12,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 20:12:12,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:12:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:12:12,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 20:12:12,859 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 20:12:12,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-07 20:12:12,864 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-07 20:12:12,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-07 20:12:12,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 20:12:12,884 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2019-09-07 20:12:14,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 20:12:14,128 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2019-09-07 20:12:14,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-07 20:12:14,130 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-09-07 20:12:14,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 20:12:14,147 INFO L225 Difference]: With dead ends: 688 [2019-09-07 20:12:14,147 INFO L226 Difference]: Without dead ends: 372 [2019-09-07 20:12:14,158 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 20:12:14,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2019-09-07 20:12:14,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2019-09-07 20:12:14,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2019-09-07 20:12:14,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 602 transitions. [2019-09-07 20:12:14,250 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 602 transitions. Word has length 43 [2019-09-07 20:12:14,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 20:12:14,251 INFO L475 AbstractCegarLoop]: Abstraction has 372 states and 602 transitions. [2019-09-07 20:12:14,251 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-07 20:12:14,251 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 602 transitions. [2019-09-07 20:12:14,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-09-07 20:12:14,257 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 20:12:14,258 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 20:12:14,258 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 20:12:14,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 20:12:14,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1883069890, now seen corresponding path program 1 times [2019-09-07 20:12:14,259 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 20:12:14,259 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 20:12:14,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:12:14,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 20:12:14,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:12:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:12:14,483 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 20:12:14,484 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 20:12:14,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-07 20:12:14,487 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-07 20:12:14,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-07 20:12:14,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-07 20:12:14,488 INFO L87 Difference]: Start difference. First operand 372 states and 602 transitions. Second operand 6 states. [2019-09-07 20:12:15,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 20:12:15,667 INFO L93 Difference]: Finished difference Result 936 states and 1526 transitions. [2019-09-07 20:12:15,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-07 20:12:15,668 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2019-09-07 20:12:15,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 20:12:15,674 INFO L225 Difference]: With dead ends: 936 [2019-09-07 20:12:15,674 INFO L226 Difference]: Without dead ends: 570 [2019-09-07 20:12:15,676 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-09-07 20:12:15,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2019-09-07 20:12:15,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 562. [2019-09-07 20:12:15,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2019-09-07 20:12:15,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 814 transitions. [2019-09-07 20:12:15,714 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 814 transitions. Word has length 129 [2019-09-07 20:12:15,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 20:12:15,715 INFO L475 AbstractCegarLoop]: Abstraction has 562 states and 814 transitions. [2019-09-07 20:12:15,715 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-07 20:12:15,715 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 814 transitions. [2019-09-07 20:12:15,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-09-07 20:12:15,721 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 20:12:15,722 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 20:12:15,722 INFO L418 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 20:12:15,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 20:12:15,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1079220531, now seen corresponding path program 1 times [2019-09-07 20:12:15,723 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 20:12:15,723 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 20:12:15,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:12:15,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 20:12:15,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:12:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:12:15,820 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 20:12:15,820 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 20:12:15,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-07 20:12:15,821 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-07 20:12:15,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-07 20:12:15,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-07 20:12:15,822 INFO L87 Difference]: Start difference. First operand 562 states and 814 transitions. Second operand 4 states. [2019-09-07 20:12:17,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 20:12:17,150 INFO L93 Difference]: Finished difference Result 2220 states and 3286 transitions. [2019-09-07 20:12:17,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-07 20:12:17,150 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 138 [2019-09-07 20:12:17,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 20:12:17,162 INFO L225 Difference]: With dead ends: 2220 [2019-09-07 20:12:17,163 INFO L226 Difference]: Without dead ends: 1664 [2019-09-07 20:12:17,165 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-07 20:12:17,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2019-09-07 20:12:17,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1664. [2019-09-07 20:12:17,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1664 states. [2019-09-07 20:12:17,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 2308 transitions. [2019-09-07 20:12:17,268 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 2308 transitions. Word has length 138 [2019-09-07 20:12:17,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 20:12:17,270 INFO L475 AbstractCegarLoop]: Abstraction has 1664 states and 2308 transitions. [2019-09-07 20:12:17,270 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-07 20:12:17,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 2308 transitions. [2019-09-07 20:12:17,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2019-09-07 20:12:17,300 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 20:12:17,300 INFO L399 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-07 20:12:17,301 INFO L418 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 20:12:17,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 20:12:17,303 INFO L82 PathProgramCache]: Analyzing trace with hash 762391661, now seen corresponding path program 1 times [2019-09-07 20:12:17,303 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 20:12:17,304 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 20:12:17,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:12:17,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 20:12:17,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:12:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:12:18,458 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 145 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 20:12:18,458 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 20:12:18,458 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 20:12:18,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 20:12:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:12:18,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-07 20:12:18,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 20:12:18,755 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 20:12:18,917 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-09-07 20:12:18,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-07 20:12:18,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2019-09-07 20:12:18,927 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-07 20:12:18,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-07 20:12:18,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-09-07 20:12:18,929 INFO L87 Difference]: Start difference. First operand 1664 states and 2308 transitions. Second operand 15 states. [2019-09-07 20:12:20,498 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 44 [2019-09-07 20:12:21,499 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2019-09-07 20:12:22,508 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 50 [2019-09-07 20:12:23,079 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-09-07 20:12:24,069 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2019-09-07 20:12:25,451 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2019-09-07 20:12:28,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 20:12:28,106 INFO L93 Difference]: Finished difference Result 5614 states and 7973 transitions. [2019-09-07 20:12:28,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2019-09-07 20:12:28,113 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 274 [2019-09-07 20:12:28,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 20:12:28,135 INFO L225 Difference]: With dead ends: 5614 [2019-09-07 20:12:28,135 INFO L226 Difference]: Without dead ends: 3956 [2019-09-07 20:12:28,141 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 283 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 848 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=484, Invalid=2596, Unknown=0, NotChecked=0, Total=3080 [2019-09-07 20:12:28,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3956 states. [2019-09-07 20:12:28,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3956 to 3194. [2019-09-07 20:12:28,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3194 states. [2019-09-07 20:12:28,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 4124 transitions. [2019-09-07 20:12:28,254 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 4124 transitions. Word has length 274 [2019-09-07 20:12:28,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 20:12:28,254 INFO L475 AbstractCegarLoop]: Abstraction has 3194 states and 4124 transitions. [2019-09-07 20:12:28,254 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-07 20:12:28,255 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 4124 transitions. [2019-09-07 20:12:28,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2019-09-07 20:12:28,263 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 20:12:28,263 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-07 20:12:28,264 INFO L418 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 20:12:28,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 20:12:28,264 INFO L82 PathProgramCache]: Analyzing trace with hash 440905297, now seen corresponding path program 1 times [2019-09-07 20:12:28,264 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 20:12:28,264 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 20:12:28,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:12:28,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 20:12:28,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:12:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:12:29,102 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 194 proven. 197 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-07 20:12:29,102 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 20:12:29,102 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-07 20:12:29,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 20:12:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:12:29,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 26 conjunts are in the unsatisfiable core [2019-09-07 20:12:29,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 20:12:29,290 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-09-07 20:12:29,612 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 305 proven. 53 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-09-07 20:12:29,625 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 20:12:29,625 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 15 [2019-09-07 20:12:29,627 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-07 20:12:29,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-07 20:12:29,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2019-09-07 20:12:29,628 INFO L87 Difference]: Start difference. First operand 3194 states and 4124 transitions. Second operand 15 states. [2019-09-07 20:12:32,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 20:12:32,573 INFO L93 Difference]: Finished difference Result 6690 states and 8651 transitions. [2019-09-07 20:12:32,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-07 20:12:32,574 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 376 [2019-09-07 20:12:32,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 20:12:32,590 INFO L225 Difference]: With dead ends: 6690 [2019-09-07 20:12:32,590 INFO L226 Difference]: Without dead ends: 3604 [2019-09-07 20:12:32,599 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=198, Invalid=614, Unknown=0, NotChecked=0, Total=812 [2019-09-07 20:12:32,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3604 states. [2019-09-07 20:12:32,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3604 to 3560. [2019-09-07 20:12:32,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3560 states. [2019-09-07 20:12:32,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3560 states to 3560 states and 4229 transitions. [2019-09-07 20:12:32,693 INFO L78 Accepts]: Start accepts. Automaton has 3560 states and 4229 transitions. Word has length 376 [2019-09-07 20:12:32,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 20:12:32,694 INFO L475 AbstractCegarLoop]: Abstraction has 3560 states and 4229 transitions. [2019-09-07 20:12:32,694 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-07 20:12:32,694 INFO L276 IsEmpty]: Start isEmpty. Operand 3560 states and 4229 transitions. [2019-09-07 20:12:32,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2019-09-07 20:12:32,704 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 20:12:32,704 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 20:12:32,705 INFO L418 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 20:12:32,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 20:12:32,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1399345218, now seen corresponding path program 1 times [2019-09-07 20:12:32,705 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 20:12:32,705 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 20:12:32,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:12:32,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 20:12:32,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:12:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:12:33,542 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 337 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2019-09-07 20:12:33,543 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 20:12:33,543 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 20:12:33,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 20:12:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:12:33,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-07 20:12:33,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 20:12:33,696 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-07 20:12:33,786 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2019-09-07 20:12:33,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-07 20:12:33,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2019-09-07 20:12:33,792 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-07 20:12:33,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-07 20:12:33,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-09-07 20:12:33,793 INFO L87 Difference]: Start difference. First operand 3560 states and 4229 transitions. Second operand 16 states. [2019-09-07 20:12:37,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 20:12:37,792 INFO L93 Difference]: Finished difference Result 6964 states and 8310 transitions. [2019-09-07 20:12:37,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2019-09-07 20:12:37,794 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 401 [2019-09-07 20:12:37,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 20:12:37,809 INFO L225 Difference]: With dead ends: 6964 [2019-09-07 20:12:37,810 INFO L226 Difference]: Without dead ends: 3594 [2019-09-07 20:12:37,818 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 416 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=482, Invalid=1680, Unknown=0, NotChecked=0, Total=2162 [2019-09-07 20:12:37,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3594 states. [2019-09-07 20:12:37,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3594 to 3582. [2019-09-07 20:12:37,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3582 states. [2019-09-07 20:12:37,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3582 states to 3582 states and 4109 transitions. [2019-09-07 20:12:37,894 INFO L78 Accepts]: Start accepts. Automaton has 3582 states and 4109 transitions. Word has length 401 [2019-09-07 20:12:37,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 20:12:37,895 INFO L475 AbstractCegarLoop]: Abstraction has 3582 states and 4109 transitions. [2019-09-07 20:12:37,895 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-07 20:12:37,895 INFO L276 IsEmpty]: Start isEmpty. Operand 3582 states and 4109 transitions. [2019-09-07 20:12:37,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2019-09-07 20:12:37,912 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 20:12:37,913 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2019-09-07 20:12:37,913 INFO L418 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 20:12:37,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 20:12:37,914 INFO L82 PathProgramCache]: Analyzing trace with hash -257550303, now seen corresponding path program 1 times [2019-09-07 20:12:37,914 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 20:12:37,914 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 20:12:37,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:12:37,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 20:12:37,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:12:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:12:38,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 302 proven. 607 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2019-09-07 20:12:38,752 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 20:12:38,752 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 20:12:38,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 20:12:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:12:38,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 7 conjunts are in the unsatisfiable core [2019-09-07 20:12:38,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 20:12:38,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-07 20:12:39,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 604 proven. 2 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2019-09-07 20:12:39,309 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 20:12:39,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-09-07 20:12:39,311 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-07 20:12:39,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-07 20:12:39,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2019-09-07 20:12:39,312 INFO L87 Difference]: Start difference. First operand 3582 states and 4109 transitions. Second operand 11 states. [2019-09-07 20:12:42,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 20:12:42,769 INFO L93 Difference]: Finished difference Result 8108 states and 9591 transitions. [2019-09-07 20:12:42,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-09-07 20:12:42,770 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 590 [2019-09-07 20:12:42,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 20:12:42,787 INFO L225 Difference]: With dead ends: 8108 [2019-09-07 20:12:42,788 INFO L226 Difference]: Without dead ends: 4716 [2019-09-07 20:12:42,797 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 655 GetRequests, 614 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=372, Invalid=1350, Unknown=0, NotChecked=0, Total=1722 [2019-09-07 20:12:42,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4716 states. [2019-09-07 20:12:42,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4716 to 4512. [2019-09-07 20:12:42,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4512 states. [2019-09-07 20:12:42,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4512 states to 4512 states and 5140 transitions. [2019-09-07 20:12:42,893 INFO L78 Accepts]: Start accepts. Automaton has 4512 states and 5140 transitions. Word has length 590 [2019-09-07 20:12:42,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 20:12:42,895 INFO L475 AbstractCegarLoop]: Abstraction has 4512 states and 5140 transitions. [2019-09-07 20:12:42,895 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-07 20:12:42,895 INFO L276 IsEmpty]: Start isEmpty. Operand 4512 states and 5140 transitions. [2019-09-07 20:12:42,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 694 [2019-09-07 20:12:42,919 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 20:12:42,920 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-07 20:12:42,920 INFO L418 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 20:12:42,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 20:12:42,920 INFO L82 PathProgramCache]: Analyzing trace with hash 16391782, now seen corresponding path program 1 times [2019-09-07 20:12:42,920 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 20:12:42,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 20:12:42,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:12:42,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 20:12:42,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:12:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:12:43,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 400 proven. 662 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2019-09-07 20:12:43,728 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 20:12:43,728 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 20:12:43,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 20:12:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:12:43,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 14 conjunts are in the unsatisfiable core [2019-09-07 20:12:43,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 20:12:44,019 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 20:12:44,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 956 proven. 2 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2019-09-07 20:12:44,455 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 20:12:44,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6] total 15 [2019-09-07 20:12:44,457 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-07 20:12:44,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-07 20:12:44,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2019-09-07 20:12:44,458 INFO L87 Difference]: Start difference. First operand 4512 states and 5140 transitions. Second operand 15 states. [2019-09-07 20:12:49,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 20:12:49,344 INFO L93 Difference]: Finished difference Result 10380 states and 11910 transitions. [2019-09-07 20:12:49,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2019-09-07 20:12:49,344 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 693 [2019-09-07 20:12:49,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 20:12:49,369 INFO L225 Difference]: With dead ends: 10380 [2019-09-07 20:12:49,370 INFO L226 Difference]: Without dead ends: 5874 [2019-09-07 20:12:49,381 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 720 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 727 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=495, Invalid=2055, Unknown=0, NotChecked=0, Total=2550 [2019-09-07 20:12:49,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5874 states. [2019-09-07 20:12:49,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5874 to 5684. [2019-09-07 20:12:49,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5684 states. [2019-09-07 20:12:49,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5684 states to 5684 states and 6318 transitions. [2019-09-07 20:12:49,506 INFO L78 Accepts]: Start accepts. Automaton has 5684 states and 6318 transitions. Word has length 693 [2019-09-07 20:12:49,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 20:12:49,507 INFO L475 AbstractCegarLoop]: Abstraction has 5684 states and 6318 transitions. [2019-09-07 20:12:49,507 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-07 20:12:49,507 INFO L276 IsEmpty]: Start isEmpty. Operand 5684 states and 6318 transitions. [2019-09-07 20:12:49,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2019-09-07 20:12:49,540 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 20:12:49,541 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 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] [2019-09-07 20:12:49,541 INFO L418 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 20:12:49,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 20:12:49,541 INFO L82 PathProgramCache]: Analyzing trace with hash -247966771, now seen corresponding path program 1 times [2019-09-07 20:12:49,542 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 20:12:49,542 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 20:12:49,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:12:49,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 20:12:49,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:12:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:12:51,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 551 proven. 777 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-09-07 20:12:51,507 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 20:12:51,507 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 20:12:51,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 20:12:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:12:51,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-07 20:12:51,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 20:12:51,728 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-09-07 20:12:52,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 1279 proven. 2 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2019-09-07 20:12:52,158 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 20:12:52,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 13 [2019-09-07 20:12:52,159 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-07 20:12:52,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-07 20:12:52,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-09-07 20:12:52,159 INFO L87 Difference]: Start difference. First operand 5684 states and 6318 transitions. Second operand 13 states. [2019-09-07 20:12:53,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 20:12:53,963 INFO L93 Difference]: Finished difference Result 10979 states and 12526 transitions. [2019-09-07 20:12:53,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-07 20:12:53,965 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 708 [2019-09-07 20:12:53,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 20:12:53,988 INFO L225 Difference]: With dead ends: 10979 [2019-09-07 20:12:53,988 INFO L226 Difference]: Without dead ends: 5808 [2019-09-07 20:12:54,000 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 736 GetRequests, 716 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2019-09-07 20:12:54,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5808 states. [2019-09-07 20:12:54,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5808 to 5492. [2019-09-07 20:12:54,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5492 states. [2019-09-07 20:12:54,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5492 states to 5492 states and 5967 transitions. [2019-09-07 20:12:54,114 INFO L78 Accepts]: Start accepts. Automaton has 5492 states and 5967 transitions. Word has length 708 [2019-09-07 20:12:54,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 20:12:54,115 INFO L475 AbstractCegarLoop]: Abstraction has 5492 states and 5967 transitions. [2019-09-07 20:12:54,115 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-07 20:12:54,115 INFO L276 IsEmpty]: Start isEmpty. Operand 5492 states and 5967 transitions. [2019-09-07 20:12:54,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 808 [2019-09-07 20:12:54,132 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 20:12:54,132 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 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] [2019-09-07 20:12:54,133 INFO L418 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 20:12:54,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 20:12:54,133 INFO L82 PathProgramCache]: Analyzing trace with hash -286549582, now seen corresponding path program 1 times [2019-09-07 20:12:54,133 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 20:12:54,133 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 20:12:54,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:12:54,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 20:12:54,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:12:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:12:55,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2348 backedges. 700 proven. 1062 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2019-09-07 20:12:55,657 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 20:12:55,657 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 20:12:55,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 20:12:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:12:55,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 1175 conjuncts, 7 conjunts are in the unsatisfiable core [2019-09-07 20:12:55,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 20:12:55,897 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 20:12:56,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2348 backedges. 1570 proven. 2 refuted. 0 times theorem prover too weak. 776 trivial. 0 not checked. [2019-09-07 20:12:56,565 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 20:12:56,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5] total 19 [2019-09-07 20:12:56,567 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-07 20:12:56,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-07 20:12:56,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2019-09-07 20:12:56,569 INFO L87 Difference]: Start difference. First operand 5492 states and 5967 transitions. Second operand 19 states. [2019-09-07 20:13:01,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 20:13:01,221 INFO L93 Difference]: Finished difference Result 10883 states and 12163 transitions. [2019-09-07 20:13:01,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-09-07 20:13:01,222 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 807 [2019-09-07 20:13:01,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 20:13:01,239 INFO L225 Difference]: With dead ends: 10883 [2019-09-07 20:13:01,240 INFO L226 Difference]: Without dead ends: 5437 [2019-09-07 20:13:01,251 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 880 GetRequests, 827 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 781 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=612, Invalid=2358, Unknown=0, NotChecked=0, Total=2970 [2019-09-07 20:13:01,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5437 states. [2019-09-07 20:13:01,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5437 to 4916. [2019-09-07 20:13:01,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4916 states. [2019-09-07 20:13:01,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4916 states to 4916 states and 5245 transitions. [2019-09-07 20:13:01,358 INFO L78 Accepts]: Start accepts. Automaton has 4916 states and 5245 transitions. Word has length 807 [2019-09-07 20:13:01,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 20:13:01,359 INFO L475 AbstractCegarLoop]: Abstraction has 4916 states and 5245 transitions. [2019-09-07 20:13:01,359 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-07 20:13:01,359 INFO L276 IsEmpty]: Start isEmpty. Operand 4916 states and 5245 transitions. [2019-09-07 20:13:01,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 837 [2019-09-07 20:13:01,372 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 20:13:01,372 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 20:13:01,373 INFO L418 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 20:13:01,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 20:13:01,373 INFO L82 PathProgramCache]: Analyzing trace with hash -761058727, now seen corresponding path program 1 times [2019-09-07 20:13:01,373 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 20:13:01,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 20:13:01,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:13:01,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 20:13:01,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:13:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:13:03,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1949 backedges. 777 proven. 841 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2019-09-07 20:13:03,754 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 20:13:03,754 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 20:13:03,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 20:13:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:13:03,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 1173 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-07 20:13:03,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 20:13:04,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1949 backedges. 1255 proven. 2 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2019-09-07 20:13:04,252 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 20:13:04,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5] total 20 [2019-09-07 20:13:04,255 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-07 20:13:04,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-07 20:13:04,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2019-09-07 20:13:04,255 INFO L87 Difference]: Start difference. First operand 4916 states and 5245 transitions. Second operand 20 states. [2019-09-07 20:13:11,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 20:13:11,300 INFO L93 Difference]: Finished difference Result 12208 states and 13141 transitions. [2019-09-07 20:13:11,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2019-09-07 20:13:11,301 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 836 [2019-09-07 20:13:11,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 20:13:11,322 INFO L225 Difference]: With dead ends: 12208 [2019-09-07 20:13:11,323 INFO L226 Difference]: Without dead ends: 7664 [2019-09-07 20:13:11,335 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 961 GetRequests, 882 SyntacticMatches, 4 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1810 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=859, Invalid=4993, Unknown=0, NotChecked=0, Total=5852 [2019-09-07 20:13:11,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7664 states. [2019-09-07 20:13:11,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7664 to 4694. [2019-09-07 20:13:11,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4694 states. [2019-09-07 20:13:11,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4694 states to 4694 states and 4936 transitions. [2019-09-07 20:13:11,432 INFO L78 Accepts]: Start accepts. Automaton has 4694 states and 4936 transitions. Word has length 836 [2019-09-07 20:13:11,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 20:13:11,433 INFO L475 AbstractCegarLoop]: Abstraction has 4694 states and 4936 transitions. [2019-09-07 20:13:11,433 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-09-07 20:13:11,433 INFO L276 IsEmpty]: Start isEmpty. Operand 4694 states and 4936 transitions. [2019-09-07 20:13:11,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1058 [2019-09-07 20:13:11,450 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 20:13:11,450 INFO L399 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 20:13:11,451 INFO L418 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 20:13:11,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 20:13:11,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1431587414, now seen corresponding path program 1 times [2019-09-07 20:13:11,451 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 20:13:11,452 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 20:13:11,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:13:11,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 20:13:11,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:13:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:13:14,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 673 proven. 1509 refuted. 0 times theorem prover too weak. 1098 trivial. 0 not checked. [2019-09-07 20:13:14,070 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 20:13:14,070 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 20:13:14,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 20:13:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:13:14,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 1470 conjuncts, 7 conjunts are in the unsatisfiable core [2019-09-07 20:13:14,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 20:13:14,850 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 2215 proven. 2 refuted. 0 times theorem prover too weak. 1063 trivial. 0 not checked. [2019-09-07 20:13:14,855 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 20:13:14,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5] total 18 [2019-09-07 20:13:14,856 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-07 20:13:14,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-07 20:13:14,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2019-09-07 20:13:14,857 INFO L87 Difference]: Start difference. First operand 4694 states and 4936 transitions. Second operand 18 states. [2019-09-07 20:13:18,096 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2019-09-07 20:13:19,796 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2019-09-07 20:13:20,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 20:13:20,345 INFO L93 Difference]: Finished difference Result 10500 states and 11077 transitions. [2019-09-07 20:13:20,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2019-09-07 20:13:20,346 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1057 [2019-09-07 20:13:20,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 20:13:20,361 INFO L225 Difference]: With dead ends: 10500 [2019-09-07 20:13:20,361 INFO L226 Difference]: Without dead ends: 5996 [2019-09-07 20:13:20,370 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1131 GetRequests, 1077 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 837 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=592, Invalid=2488, Unknown=0, NotChecked=0, Total=3080 [2019-09-07 20:13:20,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5996 states. [2019-09-07 20:13:20,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5996 to 4492. [2019-09-07 20:13:20,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4492 states. [2019-09-07 20:13:20,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4492 states to 4492 states and 4688 transitions. [2019-09-07 20:13:20,463 INFO L78 Accepts]: Start accepts. Automaton has 4492 states and 4688 transitions. Word has length 1057 [2019-09-07 20:13:20,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 20:13:20,464 INFO L475 AbstractCegarLoop]: Abstraction has 4492 states and 4688 transitions. [2019-09-07 20:13:20,464 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-07 20:13:20,465 INFO L276 IsEmpty]: Start isEmpty. Operand 4492 states and 4688 transitions. [2019-09-07 20:13:20,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1139 [2019-09-07 20:13:20,488 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 20:13:20,488 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 20:13:20,489 INFO L418 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 20:13:20,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 20:13:20,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1661791935, now seen corresponding path program 1 times [2019-09-07 20:13:20,490 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 20:13:20,490 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 20:13:20,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:13:20,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 20:13:20,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 20:13:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:13:24,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3959 backedges. 866 proven. 2141 refuted. 0 times theorem prover too weak. 952 trivial. 0 not checked. [2019-09-07 20:13:24,241 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 20:13:24,241 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 20:13:24,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 20:13:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 20:13:24,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 1589 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-07 20:13:24,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 20:13:24,520 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 20:13:24,521 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 20:13:25,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3959 backedges. 2442 proven. 6 refuted. 0 times theorem prover too weak. 1511 trivial. 0 not checked. [2019-09-07 20:13:25,332 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 20:13:25,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 7] total 32 [2019-09-07 20:13:25,333 INFO L454 AbstractCegarLoop]: Interpolant automaton has 32 states [2019-09-07 20:13:25,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2019-09-07 20:13:25,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=888, Unknown=0, NotChecked=0, Total=992 [2019-09-07 20:13:25,334 INFO L87 Difference]: Start difference. First operand 4492 states and 4688 transitions. Second operand 32 states. [2019-09-07 20:13:29,085 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2019-09-07 20:13:29,276 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2019-09-07 20:13:29,872 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2019-09-07 20:13:30,763 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 61 [2019-09-07 20:13:36,083 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2019-09-07 20:13:36,393 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2019-09-07 20:13:36,705 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 56 [2019-09-07 20:13:38,408 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 59 [2019-09-07 20:13:38,733 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2019-09-07 20:13:38,948 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58 [2019-09-07 20:13:43,324 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-07 20:13:43,806 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 48 [2019-09-07 20:13:48,550 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 55 [2019-09-07 20:13:51,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 20:13:51,381 INFO L93 Difference]: Finished difference Result 11363 states and 12221 transitions. [2019-09-07 20:13:51,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2019-09-07 20:13:51,382 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 1138 [2019-09-07 20:13:51,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 20:13:51,383 INFO L225 Difference]: With dead ends: 11363 [2019-09-07 20:13:51,383 INFO L226 Difference]: Without dead ends: 0 [2019-09-07 20:13:51,413 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1359 GetRequests, 1202 SyntacticMatches, 1 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8805 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=3377, Invalid=21429, Unknown=0, NotChecked=0, Total=24806 [2019-09-07 20:13:51,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-07 20:13:51,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-07 20:13:51,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-07 20:13:51,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-07 20:13:51,414 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1138 [2019-09-07 20:13:51,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 20:13:51,415 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-07 20:13:51,415 INFO L476 AbstractCegarLoop]: Interpolant automaton has 32 states. [2019-09-07 20:13:51,415 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-07 20:13:51,415 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-07 20:13:51,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-07 20:13:55,010 WARN L188 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 554 DAG size of output: 503 [2019-09-07 20:13:56,539 WARN L188 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 554 DAG size of output: 503 [2019-09-07 20:13:59,541 WARN L188 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 386 DAG size of output: 91 [2019-09-07 20:14:04,524 WARN L188 SmtUtils]: Spent 4.96 s on a formula simplification. DAG size of input: 502 DAG size of output: 80 [2019-09-07 20:14:09,561 WARN L188 SmtUtils]: Spent 5.03 s on a formula simplification. DAG size of input: 502 DAG size of output: 80 [2019-09-07 20:14:09,564 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-07 20:14:09,565 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a12~0 |old(~a12~0)|) (<= |old(~a12~0)| ~a12~0) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)) [2019-09-07 20:14:09,565 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-07 20:14:09,565 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-09-07 20:14:09,565 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-09-07 20:14:09,565 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,565 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,566 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,566 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-09-07 20:14:09,566 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-09-07 20:14:09,566 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-09-07 20:14:09,566 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-09-07 20:14:09,566 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-09-07 20:14:09,566 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-09-07 20:14:09,566 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-09-07 20:14:09,566 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-09-07 20:14:09,567 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,567 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,567 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,567 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-09-07 20:14:09,567 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-09-07 20:14:09,567 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-09-07 20:14:09,567 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-09-07 20:14:09,567 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-09-07 20:14:09,567 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-09-07 20:14:09,568 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-09-07 20:14:09,568 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-09-07 20:14:09,568 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,568 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,568 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,568 INFO L443 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-09-07 20:14:09,568 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-09-07 20:14:09,568 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-09-07 20:14:09,568 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-09-07 20:14:09,569 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-09-07 20:14:09,569 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-09-07 20:14:09,569 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-09-07 20:14:09,569 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-09-07 20:14:09,569 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-09-07 20:14:09,569 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,569 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,569 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,570 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-09-07 20:14:09,570 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-09-07 20:14:09,570 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-09-07 20:14:09,570 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-09-07 20:14:09,570 INFO L443 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-09-07 20:14:09,570 INFO L443 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-09-07 20:14:09,570 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-09-07 20:14:09,570 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,571 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,571 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,571 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-09-07 20:14:09,571 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-09-07 20:14:09,571 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-09-07 20:14:09,571 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-09-07 20:14:09,571 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-09-07 20:14:09,571 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-09-07 20:14:09,571 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-09-07 20:14:09,572 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-09-07 20:14:09,572 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-09-07 20:14:09,572 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,572 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,572 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,572 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,572 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-09-07 20:14:09,572 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-09-07 20:14:09,572 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-09-07 20:14:09,573 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-09-07 20:14:09,573 INFO L443 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-09-07 20:14:09,573 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-09-07 20:14:09,573 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-09-07 20:14:09,573 INFO L443 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-09-07 20:14:09,573 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,573 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,573 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,573 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-09-07 20:14:09,574 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-09-07 20:14:09,574 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-09-07 20:14:09,574 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-09-07 20:14:09,574 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-09-07 20:14:09,574 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-09-07 20:14:09,574 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-09-07 20:14:09,574 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-09-07 20:14:09,574 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,574 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,574 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,575 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-09-07 20:14:09,575 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-09-07 20:14:09,575 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-09-07 20:14:09,575 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-09-07 20:14:09,575 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-09-07 20:14:09,575 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-09-07 20:14:09,575 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse3 (= 9 |old(~a15~0)|)) (.cse16 (= ~a21~0 |old(~a21~0)|)) (.cse9 (<= ~a12~0 |old(~a12~0)|)) (.cse10 (<= |old(~a12~0)| ~a12~0)) (.cse14 (= ~a15~0 |old(~a15~0)|)) (.cse11 (= ~a24~0 1))) (let ((.cse0 (and .cse9 .cse10 .cse14 (<= |old(~a21~0)| ~a21~0) (<= ~a21~0 7) .cse11)) (.cse1 (= 5 |old(~a15~0)|)) (.cse4 (not (<= |old(~a21~0)| 7))) (.cse7 (= 7 |old(~a21~0)|)) (.cse6 (and .cse9 .cse10 .cse16 .cse14 .cse11)) (.cse8 (not .cse3)) (.cse12 (= ~a15~0 9)) (.cse5 (not (= 10 |old(~a21~0)|))) (.cse2 (not (= 1 |old(~a24~0)|))) (.cse15 (not (< 80 |old(~a12~0)|))) (.cse13 (not (= 6 |old(~a21~0)|)))) (and (or .cse0 (not (<= (+ |old(~a12~0)| 460226) 0)) .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 (not (<= |old(~a12~0)| 11))) (or .cse6 .cse2 (or .cse7 .cse3)) (or .cse0 (and (not (< 0 (+ |old(~a12~0)| 43))) .cse1) (not (<= |old(~a12~0)| 76)) (= 7 |old(~a15~0)|) .cse2 .cse3 .cse4) (or .cse8 (not .cse7) .cse2 (and .cse9 .cse10 .cse11 (= ~a21~0 7) .cse12)) (or .cse6 .cse13 (not (<= |old(~a12~0)| 95442)) .cse2) (or (not (= 9 |old(~a21~0)|)) .cse2 (and .cse9 .cse10 (= ~a21~0 9) .cse14 .cse11) .cse15) (or .cse8 .cse2 (and .cse9 .cse10 .cse16 .cse11 .cse12) (not (= 8 |old(~a21~0)|))) (or (and .cse9 .cse10 (= ~a24~0 |old(~a24~0)|) .cse16 .cse14) (and (or .cse5 .cse2 .cse15) (or (not (<= (+ |old(~a12~0)| 49) 0)) (or .cse13 .cse3))))))) [2019-09-07 20:14:09,576 INFO L443 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-09-07 20:14:09,576 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-09-07 20:14:09,576 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,576 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,576 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,576 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-09-07 20:14:09,576 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-09-07 20:14:09,576 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-09-07 20:14:09,577 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-09-07 20:14:09,577 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-09-07 20:14:09,577 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-09-07 20:14:09,577 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-09-07 20:14:09,577 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-09-07 20:14:09,577 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,577 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,577 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,577 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-09-07 20:14:09,578 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-09-07 20:14:09,578 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-09-07 20:14:09,578 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-09-07 20:14:09,578 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-09-07 20:14:09,578 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-09-07 20:14:09,578 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-09-07 20:14:09,578 INFO L443 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-09-07 20:14:09,578 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,578 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,578 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,579 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-09-07 20:14:09,579 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-09-07 20:14:09,579 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-09-07 20:14:09,579 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-09-07 20:14:09,579 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-09-07 20:14:09,579 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-09-07 20:14:09,579 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-09-07 20:14:09,579 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-09-07 20:14:09,579 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,580 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,580 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,580 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-09-07 20:14:09,580 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-09-07 20:14:09,580 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-09-07 20:14:09,580 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-09-07 20:14:09,580 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-09-07 20:14:09,580 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-09-07 20:14:09,580 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-09-07 20:14:09,581 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-09-07 20:14:09,581 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,581 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,581 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-09-07 20:14:09,581 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-09-07 20:14:09,581 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-09-07 20:14:09,581 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-09-07 20:14:09,581 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-09-07 20:14:09,581 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-09-07 20:14:09,581 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-09-07 20:14:09,582 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-09-07 20:14:09,582 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,582 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,582 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-09-07 20:14:09,582 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-09-07 20:14:09,582 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-09-07 20:14:09,582 INFO L443 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-09-07 20:14:09,582 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-09-07 20:14:09,582 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-09-07 20:14:09,582 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,583 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,583 INFO L443 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-09-07 20:14:09,583 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-09-07 20:14:09,583 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-09-07 20:14:09,583 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-09-07 20:14:09,583 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-09-07 20:14:09,583 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-09-07 20:14:09,583 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-09-07 20:14:09,584 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-09-07 20:14:09,584 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,584 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,584 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-09-07 20:14:09,584 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-09-07 20:14:09,584 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-09-07 20:14:09,584 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-09-07 20:14:09,584 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-09-07 20:14:09,584 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-09-07 20:14:09,584 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-09-07 20:14:09,584 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,584 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,585 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,585 INFO L443 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-09-07 20:14:09,585 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-09-07 20:14:09,585 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-09-07 20:14:09,585 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-09-07 20:14:09,585 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-09-07 20:14:09,585 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-09-07 20:14:09,585 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,585 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,585 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-09-07 20:14:09,585 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,585 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-09-07 20:14:09,585 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-09-07 20:14:09,585 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-09-07 20:14:09,586 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-09-07 20:14:09,586 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-09-07 20:14:09,586 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-09-07 20:14:09,586 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-09-07 20:14:09,586 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-09-07 20:14:09,586 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-09-07 20:14:09,586 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-09-07 20:14:09,586 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,586 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,586 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,586 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-09-07 20:14:09,586 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-09-07 20:14:09,586 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-09-07 20:14:09,586 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-09-07 20:14:09,586 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-09-07 20:14:09,587 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-09-07 20:14:09,587 INFO L443 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-09-07 20:14:09,587 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-09-07 20:14:09,587 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,587 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,587 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,587 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-09-07 20:14:09,587 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-09-07 20:14:09,587 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-09-07 20:14:09,587 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-09-07 20:14:09,587 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 115) no Hoare annotation was computed. [2019-09-07 20:14:09,587 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-09-07 20:14:09,588 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-09-07 20:14:09,588 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-09-07 20:14:09,588 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-09-07 20:14:09,588 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,588 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,588 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,588 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-09-07 20:14:09,588 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-09-07 20:14:09,588 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-09-07 20:14:09,588 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-09-07 20:14:09,588 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-09-07 20:14:09,588 INFO L443 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-09-07 20:14:09,588 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-09-07 20:14:09,588 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-09-07 20:14:09,589 INFO L443 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-09-07 20:14:09,589 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,589 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,589 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-09-07 20:14:09,589 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-09-07 20:14:09,589 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-09-07 20:14:09,589 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-09-07 20:14:09,589 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-09-07 20:14:09,589 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-09-07 20:14:09,589 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-07 20:14:09,590 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (= ~a15~0 8) (= ~a24~0 1) (<= (+ ~a12~0 49) 0)) [2019-09-07 20:14:09,590 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-07 20:14:09,590 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-07 20:14:09,590 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= (+ |old(~a12~0)| 49) 0)) (not (= 8 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|)) (and (<= ~a12~0 |old(~a12~0)|) (<= |old(~a12~0)| ~a12~0) (= ~a15~0 |old(~a15~0)|) (<= |old(~a21~0)| ~a21~0) (<= ~a21~0 7) (= ~a24~0 1)) (not (= 1 |old(~a24~0)|)) (not (<= |old(~a21~0)| 7))) [2019-09-07 20:14:09,590 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2019-09-07 20:14:09,590 INFO L439 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse5 (= ~a21~0 10)) (.cse1 (= ~a21~0 7)) (.cse4 (= ~a15~0 9)) (.cse3 (= ~a21~0 6)) (.cse6 (< 80 ~a12~0)) (.cse7 (not (= ~a15~0 5))) (.cse0 (not (= 9 ~a15~0))) (.cse2 (= ~a24~0 1))) (or (and (and .cse0 (not .cse1)) .cse2) (or (and .cse3 (<= (+ ~a12~0 49) 0) (not .cse4)) (and (and .cse5 .cse6) .cse2)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (<= ~a12~0 76) (and (or .cse7 (< 0 (+ ~a12~0 43))) (not (= 7 ~a15~0)) .cse0) .cse2) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (and (and .cse5 (<= ~a12~0 11)) .cse2) (and .cse2 (and .cse1 .cse4)) (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 8)) (not (<= |old(~a21~0)| 7)) (and (and .cse3 .cse2) (<= ~a12~0 95442)) (and .cse6 .cse2 (= ~a21~0 9)) (not (<= 7 |old(~a21~0)|)) (and (<= (+ ~a12~0 460226) 0) (and .cse7 .cse0) .cse2))) [2019-09-07 20:14:09,591 INFO L443 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2019-09-07 20:14:09,591 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-09-07 20:14:09,591 INFO L439 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse5 (= ~a21~0 10)) (.cse1 (= ~a21~0 7)) (.cse4 (= ~a15~0 9)) (.cse3 (= ~a21~0 6)) (.cse6 (< 80 ~a12~0)) (.cse7 (not (= ~a15~0 5))) (.cse0 (not (= 9 ~a15~0))) (.cse2 (= ~a24~0 1))) (or (and (and .cse0 (not .cse1)) .cse2) (or (and .cse3 (<= (+ ~a12~0 49) 0) (not .cse4)) (and (and .cse5 .cse6) .cse2)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (<= ~a12~0 76) (and (or .cse7 (< 0 (+ ~a12~0 43))) (not (= 7 ~a15~0)) .cse0) .cse2) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (and (and .cse5 (<= ~a12~0 11)) .cse2) (and .cse2 (and .cse1 .cse4)) (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 8)) (not (<= |old(~a21~0)| 7)) (and (and .cse3 .cse2) (<= ~a12~0 95442)) (and .cse6 .cse2 (= ~a21~0 9)) (not (<= 7 |old(~a21~0)|)) (and (<= (+ ~a12~0 460226) 0) (and .cse7 .cse0) .cse2))) [2019-09-07 20:14:09,591 INFO L443 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2019-09-07 20:14:09,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 08:14:09 BoogieIcfgContainer [2019-09-07 20:14:09,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-07 20:14:09,613 INFO L168 Benchmark]: Toolchain (without parser) took 119825.39 ms. Allocated memory was 129.5 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 83.6 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2019-09-07 20:14:09,614 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 129.5 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-07 20:14:09,614 INFO L168 Benchmark]: CACSL2BoogieTranslator took 866.48 ms. Allocated memory was 129.5 MB in the beginning and 201.9 MB in the end (delta: 72.4 MB). Free memory was 83.4 MB in the beginning and 162.6 MB in the end (delta: -79.2 MB). Peak memory consumption was 42.0 MB. Max. memory is 7.1 GB. [2019-09-07 20:14:09,615 INFO L168 Benchmark]: Boogie Preprocessor took 131.15 ms. Allocated memory is still 201.9 MB. Free memory was 162.6 MB in the beginning and 156.7 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2019-09-07 20:14:09,616 INFO L168 Benchmark]: RCFGBuilder took 1616.79 ms. Allocated memory was 201.9 MB in the beginning and 218.6 MB in the end (delta: 16.8 MB). Free memory was 156.7 MB in the beginning and 153.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 94.8 MB. Max. memory is 7.1 GB. [2019-09-07 20:14:09,617 INFO L168 Benchmark]: TraceAbstraction took 117206.52 ms. Allocated memory was 218.6 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 153.5 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2019-09-07 20:14:09,621 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 129.5 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 866.48 ms. Allocated memory was 129.5 MB in the beginning and 201.9 MB in the end (delta: 72.4 MB). Free memory was 83.4 MB in the beginning and 162.6 MB in the end (delta: -79.2 MB). Peak memory consumption was 42.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.15 ms. Allocated memory is still 201.9 MB. Free memory was 162.6 MB in the beginning and 156.7 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1616.79 ms. Allocated memory was 201.9 MB in the beginning and 218.6 MB in the end (delta: 16.8 MB). Free memory was 156.7 MB in the beginning and 153.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 94.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 117206.52 ms. Allocated memory was 218.6 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 153.5 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 115]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((((((((((!(9 == a15) && !(a21 == 7)) && a24 == 1) || ((a21 == 6 && a12 + 49 <= 0) && !(a15 == 9)) || ((a21 == 10 && 80 < a12) && a24 == 1)) || !(\old(a12) + 49 <= 0)) || ((a12 <= 76 && ((!(a15 == 5) || 0 < a12 + 43) && !(7 == a15)) && !(9 == a15)) && a24 == 1)) || !(1 == \old(a24))) || !(8 == \old(a15))) || ((a21 == 10 && a12 <= 11) && a24 == 1)) || (a24 == 1 && a21 == 7 && a15 == 9)) || (a24 == \old(a24) && a21 == 8)) || !(\old(a21) <= 7)) || ((a21 == 6 && a24 == 1) && a12 <= 95442)) || ((80 < a12 && a24 == 1) && a21 == 9)) || !(7 <= \old(a21))) || ((a12 + 460226 <= 0 && !(a15 == 5) && !(9 == a15)) && a24 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 117.1s OverallTime, 13 OverallIterations, 10 TraceHistogramMax, 73.6s AutomataDifference, 0.0s DeadEndRemovalTime, 18.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 750 SDtfs, 37244 SDslu, 2588 SDs, 0 SdLazy, 42975 SolverSat, 7173 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 39.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7729 GetRequests, 7133 SyntacticMatches, 13 SemanticMatches, 583 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15020 ImplicationChecksByTransitivity, 27.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5684occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 6531 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 340 PreInvPairs, 560 NumberOfFragments, 695 HoareAnnotationTreeSize, 340 FomulaSimplifications, 541899 FormulaSimplificationTreeSizeReduction, 5.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 692124 FormulaSimplificationTreeSizeReductionInter, 12.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 14070 NumberOfCodeBlocks, 14070 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 14047 ConstructedInterpolants, 10 QuantifiedInterpolants, 64362681 SizeOfPredicates, 15 NumberOfNonLiveVariables, 9995 ConjunctsInSsa, 114 ConjunctsInUnsatCore, 23 InterpolantComputations, 5 PerfectInterpolantSequences, 25732/33640 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...