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/Problem01_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-07 13:10:16,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-07 13:10:16,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-07 13:10:16,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-07 13:10:16,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-07 13:10:16,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-07 13:10:16,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-07 13:10:16,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-07 13:10:16,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-07 13:10:16,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-07 13:10:16,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-07 13:10:16,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-07 13:10:16,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-07 13:10:16,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-07 13:10:16,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-07 13:10:16,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-07 13:10:16,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-07 13:10:16,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-07 13:10:16,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-07 13:10:16,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-07 13:10:16,696 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 13:10:16,724 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-07 13:10:16,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-07 13:10:16,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-07 13:10:16,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-07 13:10:16,728 INFO L138 SettingsManager]: * Use SBE=true [2019-09-07 13:10:16,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-07 13:10:16,729 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-07 13:10:16,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-07 13:10:16,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-07 13:10:16,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-07 13:10:16,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-07 13:10:16,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-07 13:10:16,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-07 13:10:16,730 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-07 13:10:16,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-07 13:10:16,731 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-07 13:10:16,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-07 13:10:16,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-07 13:10:16,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-07 13:10:16,733 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-07 13:10:16,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-07 13:10:16,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-07 13:10:16,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-07 13:10:16,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-07 13:10:16,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-07 13:10:16,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-07 13:10:16,734 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-07 13:10:16,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-07 13:10:16,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-07 13:10:16,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-07 13:10:16,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-07 13:10:16,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-07 13:10:16,816 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-07 13:10:16,816 INFO L275 PluginConnector]: CDTParser initialized [2019-09-07 13:10:16,817 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label55.c [2019-09-07 13:10:16,885 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6776079c7/76d7d3fb682b4107885dc4b9273df069/FLAG8770abc2a [2019-09-07 13:10:17,452 INFO L306 CDTParser]: Found 1 translation units. [2019-09-07 13:10:17,455 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label55.c [2019-09-07 13:10:17,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6776079c7/76d7d3fb682b4107885dc4b9273df069/FLAG8770abc2a [2019-09-07 13:10:17,748 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6776079c7/76d7d3fb682b4107885dc4b9273df069 [2019-09-07 13:10:17,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-07 13:10:17,761 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-07 13:10:17,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-07 13:10:17,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-07 13:10:17,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-07 13:10:17,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 01:10:17" (1/1) ... [2019-09-07 13:10:17,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@350286e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:17, skipping insertion in model container [2019-09-07 13:10:17,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 01:10:17" (1/1) ... [2019-09-07 13:10:17,778 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-07 13:10:17,843 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-07 13:10:18,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 13:10:18,541 INFO L188 MainTranslator]: Completed pre-run [2019-09-07 13:10:18,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 13:10:18,654 INFO L192 MainTranslator]: Completed translation [2019-09-07 13:10:18,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:18 WrapperNode [2019-09-07 13:10:18,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-07 13:10:18,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-07 13:10:18,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-07 13:10:18,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-07 13:10:18,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:18" (1/1) ... [2019-09-07 13:10:18,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:18" (1/1) ... [2019-09-07 13:10:18,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:18" (1/1) ... [2019-09-07 13:10:18,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:18" (1/1) ... [2019-09-07 13:10:18,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:18" (1/1) ... [2019-09-07 13:10:18,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:18" (1/1) ... [2019-09-07 13:10:18,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:18" (1/1) ... [2019-09-07 13:10:18,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-07 13:10:18,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-07 13:10:18,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-07 13:10:18,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-07 13:10:18,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:18" (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 13:10:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-07 13:10:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-07 13:10:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-07 13:10:18,834 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-07 13:10:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-07 13:10:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-07 13:10:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-07 13:10:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-07 13:10:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-07 13:10:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-07 13:10:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-07 13:10:20,040 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-07 13:10:20,040 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-07 13:10:20,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 01:10:20 BoogieIcfgContainer [2019-09-07 13:10:20,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-07 13:10:20,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-07 13:10:20,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-07 13:10:20,047 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-07 13:10:20,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 01:10:17" (1/3) ... [2019-09-07 13:10:20,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f773671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 01:10:20, skipping insertion in model container [2019-09-07 13:10:20,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:18" (2/3) ... [2019-09-07 13:10:20,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f773671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 01:10:20, skipping insertion in model container [2019-09-07 13:10:20,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 01:10:20" (3/3) ... [2019-09-07 13:10:20,052 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label55.c [2019-09-07 13:10:20,062 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-07 13:10:20,073 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-07 13:10:20,092 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-07 13:10:20,141 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-07 13:10:20,142 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-07 13:10:20,142 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-07 13:10:20,143 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-07 13:10:20,143 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-07 13:10:20,143 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-07 13:10:20,143 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-07 13:10:20,143 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-07 13:10:20,143 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-07 13:10:20,178 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-09-07 13:10:20,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-09-07 13:10:20,189 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:10:20,191 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:10:20,193 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:10:20,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:10:20,199 INFO L82 PathProgramCache]: Analyzing trace with hash -462333177, now seen corresponding path program 1 times [2019-09-07 13:10:20,201 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:10:20,202 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:10:20,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:20,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:10:20,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:20,745 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 13:10:20,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 13:10:20,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-07 13:10:20,756 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-07 13:10:20,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-07 13:10:20,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 13:10:20,775 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2019-09-07 13:10:21,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:10:21,756 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2019-09-07 13:10:21,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-07 13:10:21,760 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2019-09-07 13:10:21,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:10:21,777 INFO L225 Difference]: With dead ends: 547 [2019-09-07 13:10:21,777 INFO L226 Difference]: Without dead ends: 278 [2019-09-07 13:10:21,784 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 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 13:10:21,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2019-09-07 13:10:21,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2019-09-07 13:10:21,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-09-07 13:10:21,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions. [2019-09-07 13:10:21,861 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 117 [2019-09-07 13:10:21,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:10:21,862 INFO L475 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions. [2019-09-07 13:10:21,862 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-07 13:10:21,862 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions. [2019-09-07 13:10:21,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-09-07 13:10:21,867 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:10:21,868 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 13:10:21,868 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:10:21,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:10:21,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1604702730, now seen corresponding path program 1 times [2019-09-07 13:10:21,869 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:10:21,869 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:10:21,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:21,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:10:21,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:21,999 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 13:10:22,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 13:10:22,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-07 13:10:22,002 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-07 13:10:22,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-07 13:10:22,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-07 13:10:22,003 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand 5 states. [2019-09-07 13:10:22,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:10:22,866 INFO L93 Difference]: Finished difference Result 840 states and 1253 transitions. [2019-09-07 13:10:22,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-07 13:10:22,867 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2019-09-07 13:10:22,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:10:22,875 INFO L225 Difference]: With dead ends: 840 [2019-09-07 13:10:22,875 INFO L226 Difference]: Without dead ends: 568 [2019-09-07 13:10:22,877 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-07 13:10:22,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2019-09-07 13:10:22,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 558. [2019-09-07 13:10:22,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2019-09-07 13:10:22,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 788 transitions. [2019-09-07 13:10:22,927 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 788 transitions. Word has length 126 [2019-09-07 13:10:22,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:10:22,927 INFO L475 AbstractCegarLoop]: Abstraction has 558 states and 788 transitions. [2019-09-07 13:10:22,927 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-07 13:10:22,927 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 788 transitions. [2019-09-07 13:10:22,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-09-07 13:10:22,933 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:10:22,933 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:10:22,934 INFO L418 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:10:22,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:10:22,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1555807011, now seen corresponding path program 1 times [2019-09-07 13:10:22,934 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:10:22,935 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:10:22,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:22,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:10:22,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:23,103 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 13:10:23,105 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 13:10:23,105 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 13:10:23,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:10:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:23,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-07 13:10:23,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 13:10:23,364 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Stream closed [2019-09-07 13:10:23,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-07 13:10:23,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-09-07 13:10:23,378 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-07 13:10:23,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-07 13:10:23,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-07 13:10:23,379 INFO L87 Difference]: Start difference. First operand 558 states and 788 transitions. Second operand 7 states. [2019-09-07 13:10:25,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:10:25,053 INFO L93 Difference]: Finished difference Result 1962 states and 2915 transitions. [2019-09-07 13:10:25,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-07 13:10:25,055 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 137 [2019-09-07 13:10:25,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:10:25,066 INFO L225 Difference]: With dead ends: 1962 [2019-09-07 13:10:25,067 INFO L226 Difference]: Without dead ends: 1410 [2019-09-07 13:10:25,069 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2019-09-07 13:10:25,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1410 states. [2019-09-07 13:10:25,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1410 to 1114. [2019-09-07 13:10:25,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1114 states. [2019-09-07 13:10:25,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 1503 transitions. [2019-09-07 13:10:25,152 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 1503 transitions. Word has length 137 [2019-09-07 13:10:25,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:10:25,153 INFO L475 AbstractCegarLoop]: Abstraction has 1114 states and 1503 transitions. [2019-09-07 13:10:25,153 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-07 13:10:25,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1503 transitions. [2019-09-07 13:10:25,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-09-07 13:10:25,157 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:10:25,158 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:10:25,158 INFO L418 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:10:25,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:10:25,159 INFO L82 PathProgramCache]: Analyzing trace with hash -879876428, now seen corresponding path program 1 times [2019-09-07 13:10:25,159 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:10:25,159 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:10:25,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:25,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:10:25,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:25,289 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 13:10:25,290 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 13:10:25,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-07 13:10:25,291 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-07 13:10:25,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-07 13:10:25,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-07 13:10:25,291 INFO L87 Difference]: Start difference. First operand 1114 states and 1503 transitions. Second operand 6 states. [2019-09-07 13:10:26,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:10:26,043 INFO L93 Difference]: Finished difference Result 2794 states and 3878 transitions. [2019-09-07 13:10:26,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-07 13:10:26,048 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2019-09-07 13:10:26,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:10:26,060 INFO L225 Difference]: With dead ends: 2794 [2019-09-07 13:10:26,060 INFO L226 Difference]: Without dead ends: 1686 [2019-09-07 13:10:26,064 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 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 13:10:26,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2019-09-07 13:10:26,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1267. [2019-09-07 13:10:26,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1267 states. [2019-09-07 13:10:26,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1687 transitions. [2019-09-07 13:10:26,128 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1687 transitions. Word has length 145 [2019-09-07 13:10:26,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:10:26,129 INFO L475 AbstractCegarLoop]: Abstraction has 1267 states and 1687 transitions. [2019-09-07 13:10:26,129 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-07 13:10:26,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1687 transitions. [2019-09-07 13:10:26,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-09-07 13:10:26,135 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:10:26,136 INFO L399 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:10:26,136 INFO L418 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:10:26,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:10:26,136 INFO L82 PathProgramCache]: Analyzing trace with hash 792956155, now seen corresponding path program 1 times [2019-09-07 13:10:26,136 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:10:26,137 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:10:26,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:26,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:10:26,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:26,316 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 13:10:26,316 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 13:10:26,316 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 13:10:26,335 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 13:10:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:26,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-07 13:10:26,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 13:10:26,537 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2019-09-07 13:10:26,551 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 13:10:26,551 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-09-07 13:10:26,552 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-07 13:10:26,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-07 13:10:26,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-09-07 13:10:26,553 INFO L87 Difference]: Start difference. First operand 1267 states and 1687 transitions. Second operand 9 states. [2019-09-07 13:10:29,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:10:29,765 INFO L93 Difference]: Finished difference Result 5279 states and 7683 transitions. [2019-09-07 13:10:29,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-09-07 13:10:29,766 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 156 [2019-09-07 13:10:29,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:10:29,790 INFO L225 Difference]: With dead ends: 5279 [2019-09-07 13:10:29,791 INFO L226 Difference]: Without dead ends: 4018 [2019-09-07 13:10:29,798 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2019-09-07 13:10:29,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4018 states. [2019-09-07 13:10:29,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4018 to 3082. [2019-09-07 13:10:29,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3082 states. [2019-09-07 13:10:29,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3082 states to 3082 states and 3865 transitions. [2019-09-07 13:10:29,953 INFO L78 Accepts]: Start accepts. Automaton has 3082 states and 3865 transitions. Word has length 156 [2019-09-07 13:10:29,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:10:29,954 INFO L475 AbstractCegarLoop]: Abstraction has 3082 states and 3865 transitions. [2019-09-07 13:10:29,954 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-07 13:10:29,954 INFO L276 IsEmpty]: Start isEmpty. Operand 3082 states and 3865 transitions. [2019-09-07 13:10:29,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-09-07 13:10:29,964 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:10:29,964 INFO L399 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:10:29,965 INFO L418 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:10:29,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:10:29,965 INFO L82 PathProgramCache]: Analyzing trace with hash 860745607, now seen corresponding path program 1 times [2019-09-07 13:10:29,965 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:10:29,965 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:10:29,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:29,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:10:29,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:30,090 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 13:10:30,091 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 13:10:30,091 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 13:10:30,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:10:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:30,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-07 13:10:30,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 13:10:30,230 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-07 13:10:30,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-07 13:10:30,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-09-07 13:10:30,235 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-07 13:10:30,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-07 13:10:30,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-07 13:10:30,237 INFO L87 Difference]: Start difference. First operand 3082 states and 3865 transitions. Second operand 7 states. [2019-09-07 13:10:32,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:10:32,032 INFO L93 Difference]: Finished difference Result 7104 states and 9313 transitions. [2019-09-07 13:10:32,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-07 13:10:32,033 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 162 [2019-09-07 13:10:32,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:10:32,034 INFO L225 Difference]: With dead ends: 7104 [2019-09-07 13:10:32,034 INFO L226 Difference]: Without dead ends: 0 [2019-09-07 13:10:32,054 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2019-09-07 13:10:32,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-07 13:10:32,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-07 13:10:32,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-07 13:10:32,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-07 13:10:32,056 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 162 [2019-09-07 13:10:32,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:10:32,056 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-07 13:10:32,059 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-07 13:10:32,059 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-07 13:10:32,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-07 13:10:32,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-07 13:10:32,738 WARN L188 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 113 [2019-09-07 13:10:33,074 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 113 [2019-09-07 13:10:33,732 WARN L188 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 52 [2019-09-07 13:10:34,276 WARN L188 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 43 [2019-09-07 13:10:34,811 WARN L188 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 43 [2019-09-07 13:10:34,814 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-07 13:10:34,814 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2019-09-07 13:10:34,814 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-07 13:10:34,815 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-09-07 13:10:34,815 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-09-07 13:10:34,815 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,815 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,815 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,815 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,815 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,815 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,815 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-09-07 13:10:34,815 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-09-07 13:10:34,815 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-09-07 13:10:34,816 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-09-07 13:10:34,816 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-09-07 13:10:34,816 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-09-07 13:10:34,816 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-09-07 13:10:34,816 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-09-07 13:10:34,816 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-09-07 13:10:34,816 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-09-07 13:10:34,816 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,817 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,817 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,817 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,817 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,817 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,817 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-09-07 13:10:34,817 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-09-07 13:10:34,818 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-09-07 13:10:34,818 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-09-07 13:10:34,818 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-09-07 13:10:34,818 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-09-07 13:10:34,818 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-09-07 13:10:34,818 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-09-07 13:10:34,818 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-09-07 13:10:34,819 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-09-07 13:10:34,819 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-09-07 13:10:34,819 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-09-07 13:10:34,819 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-09-07 13:10:34,819 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-09-07 13:10:34,819 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-09-07 13:10:34,819 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,820 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,820 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,820 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,820 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,820 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-09-07 13:10:34,820 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-09-07 13:10:34,820 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-09-07 13:10:34,820 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-09-07 13:10:34,821 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-09-07 13:10:34,821 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-09-07 13:10:34,821 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-09-07 13:10:34,821 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-09-07 13:10:34,821 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-09-07 13:10:34,821 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,821 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,822 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,822 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,822 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,822 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-09-07 13:10:34,822 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-09-07 13:10:34,822 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-09-07 13:10:34,822 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-09-07 13:10:34,822 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-09-07 13:10:34,823 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-09-07 13:10:34,823 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-09-07 13:10:34,823 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-09-07 13:10:34,823 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-09-07 13:10:34,823 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-09-07 13:10:34,823 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-09-07 13:10:34,823 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-09-07 13:10:34,823 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-09-07 13:10:34,824 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,824 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,824 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,824 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,824 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,824 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-09-07 13:10:34,824 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-09-07 13:10:34,825 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-09-07 13:10:34,825 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-09-07 13:10:34,825 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-09-07 13:10:34,825 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-09-07 13:10:34,825 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-09-07 13:10:34,825 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-09-07 13:10:34,825 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-09-07 13:10:34,826 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,826 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,826 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,826 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,826 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,826 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,826 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-09-07 13:10:34,827 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,827 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-09-07 13:10:34,827 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-09-07 13:10:34,827 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-09-07 13:10:34,827 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-09-07 13:10:34,827 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-09-07 13:10:34,827 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-09-07 13:10:34,827 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-09-07 13:10:34,827 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-09-07 13:10:34,828 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-09-07 13:10:34,828 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-09-07 13:10:34,828 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-09-07 13:10:34,828 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-09-07 13:10:34,828 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-09-07 13:10:34,828 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,828 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,829 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,829 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,829 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,829 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-09-07 13:10:34,829 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-09-07 13:10:34,829 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-09-07 13:10:34,830 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-09-07 13:10:34,830 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-09-07 13:10:34,830 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-09-07 13:10:34,830 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-09-07 13:10:34,830 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-09-07 13:10:34,830 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,831 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,831 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,831 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,831 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,831 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-09-07 13:10:34,831 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-09-07 13:10:34,831 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-09-07 13:10:34,832 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-09-07 13:10:34,832 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-09-07 13:10:34,832 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-09-07 13:10:34,832 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-09-07 13:10:34,832 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-09-07 13:10:34,832 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-09-07 13:10:34,833 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-09-07 13:10:34,833 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse7 (= ~a17~0 |old(~a17~0)|)) (.cse8 (= ~a16~0 |old(~a16~0)|)) (.cse9 (= ~a8~0 |old(~a8~0)|)) (.cse10 (= ~a20~0 |old(~a20~0)|)) (.cse11 (= ~a21~0 |old(~a21~0)|)) (.cse12 (= 6 |old(~a16~0)|)) (.cse13 (not (= 1 |old(~a21~0)|)))) (let ((.cse2 (not (<= 15 |old(~a8~0)|))) (.cse0 (or .cse13 (= 4 |old(~a16~0)|))) (.cse5 (not (= 1 |old(~a20~0)|))) (.cse3 (or .cse12 .cse13)) (.cse4 (not (<= |old(~a8~0)| 13))) (.cse1 (and .cse7 .cse8 .cse9 .cse10 .cse11)) (.cse6 (not (<= |old(~a17~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse1 (or .cse4 .cse5 .cse6)) (or (and .cse7 .cse8 (and .cse9 .cse10 .cse11)) (or .cse4 .cse5 .cse0)) (or .cse5 .cse3 .cse1) (or .cse12 .cse4 .cse1) (or (or .cse13 (= 13 |old(~a8~0)|) .cse6) (and .cse7 (and .cse8 .cse9 .cse11) .cse10))))) [2019-09-07 13:10:34,833 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-09-07 13:10:34,833 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,834 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,834 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,834 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,834 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-09-07 13:10:34,834 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,834 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,834 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-09-07 13:10:34,835 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-09-07 13:10:34,835 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-09-07 13:10:34,835 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-09-07 13:10:34,835 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-09-07 13:10:34,835 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-09-07 13:10:34,835 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-09-07 13:10:34,835 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-09-07 13:10:34,836 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 509) no Hoare annotation was computed. [2019-09-07 13:10:34,836 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-09-07 13:10:34,836 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-09-07 13:10:34,836 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-09-07 13:10:34,836 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-09-07 13:10:34,836 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,837 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,837 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,837 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,837 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,837 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-09-07 13:10:34,837 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,837 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-09-07 13:10:34,838 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-09-07 13:10:34,838 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-09-07 13:10:34,838 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-09-07 13:10:34,838 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-09-07 13:10:34,838 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-09-07 13:10:34,838 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-09-07 13:10:34,839 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-09-07 13:10:34,839 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-09-07 13:10:34,839 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-09-07 13:10:34,839 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-09-07 13:10:34,839 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-09-07 13:10:34,839 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-09-07 13:10:34,840 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-09-07 13:10:34,840 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,840 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,840 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,840 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,840 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,840 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:34,841 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-09-07 13:10:34,841 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-09-07 13:10:34,841 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-09-07 13:10:34,841 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-09-07 13:10:34,841 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-09-07 13:10:34,841 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-09-07 13:10:34,841 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-09-07 13:10:34,842 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-09-07 13:10:34,842 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-09-07 13:10:34,842 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-09-07 13:10:34,842 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-07 13:10:34,842 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 15 ~a8~0) (= ~a17~0 1) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2019-09-07 13:10:34,842 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-07 13:10:34,842 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-07 13:10:34,843 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (= ~a21~0 |old(~a21~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5)) (not (<= 15 |old(~a8~0)|)) (not (= 1 |old(~a17~0)|))) [2019-09-07 13:10:34,843 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-09-07 13:10:34,843 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse3 (<= ~a17~0 0)) (.cse1 (<= ~a8~0 13)) (.cse2 (not (= ~a16~0 6))) (.cse0 (= ~a21~0 1)) (.cse4 (= ~a20~0 1))) (or (not (= 1 |old(~a21~0)|)) (not (<= 15 |old(~a8~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (<= 15 ~a8~0) .cse0) (and .cse1 .cse2) (and .cse3 .cse0 (not (= ~a8~0 13))) (and .cse1 .cse3 .cse4) (not (= 1 |old(~a17~0)|)) (and .cse1 .cse0 (= ~a20~0 |old(~a20~0)|)) (and .cse2 .cse0 .cse4))) [2019-09-07 13:10:34,843 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-09-07 13:10:34,844 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-09-07 13:10:34,844 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse3 (<= ~a17~0 0)) (.cse1 (<= ~a8~0 13)) (.cse2 (not (= ~a16~0 6))) (.cse0 (= ~a21~0 1)) (.cse4 (= ~a20~0 1))) (or (not (= 1 |old(~a21~0)|)) (not (<= 15 |old(~a8~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (<= 15 ~a8~0) .cse0) (and .cse1 .cse2) (and .cse3 .cse0 (not (= ~a8~0 13))) (and .cse1 .cse3 .cse4) (not (= 1 |old(~a17~0)|)) (and .cse1 .cse0 (= ~a20~0 |old(~a20~0)|)) (and .cse2 .cse0 .cse4))) [2019-09-07 13:10:34,844 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-09-07 13:10:34,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 01:10:34 BoogieIcfgContainer [2019-09-07 13:10:34,863 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-07 13:10:34,865 INFO L168 Benchmark]: Toolchain (without parser) took 17103.47 ms. Allocated memory was 131.6 MB in the beginning and 474.0 MB in the end (delta: 342.4 MB). Free memory was 84.6 MB in the beginning and 88.6 MB in the end (delta: -4.0 MB). Peak memory consumption was 338.9 MB. Max. memory is 7.1 GB. [2019-09-07 13:10:34,866 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-07 13:10:34,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 893.19 ms. Allocated memory was 131.6 MB in the beginning and 202.4 MB in the end (delta: 70.8 MB). Free memory was 84.4 MB in the beginning and 160.0 MB in the end (delta: -75.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2019-09-07 13:10:34,868 INFO L168 Benchmark]: Boogie Preprocessor took 116.17 ms. Allocated memory is still 202.4 MB. Free memory was 160.0 MB in the beginning and 154.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-09-07 13:10:34,869 INFO L168 Benchmark]: RCFGBuilder took 1270.36 ms. Allocated memory was 202.4 MB in the beginning and 223.3 MB in the end (delta: 21.0 MB). Free memory was 154.8 MB in the beginning and 170.2 MB in the end (delta: -15.4 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2019-09-07 13:10:34,870 INFO L168 Benchmark]: TraceAbstraction took 14819.39 ms. Allocated memory was 223.3 MB in the beginning and 474.0 MB in the end (delta: 250.6 MB). Free memory was 170.2 MB in the beginning and 88.6 MB in the end (delta: 81.6 MB). Peak memory consumption was 332.7 MB. Max. memory is 7.1 GB. [2019-09-07 13:10:34,874 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 893.19 ms. Allocated memory was 131.6 MB in the beginning and 202.4 MB in the end (delta: 70.8 MB). Free memory was 84.4 MB in the beginning and 160.0 MB in the end (delta: -75.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.17 ms. Allocated memory is still 202.4 MB. Free memory was 160.0 MB in the beginning and 154.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1270.36 ms. Allocated memory was 202.4 MB in the beginning and 223.3 MB in the end (delta: 21.0 MB). Free memory was 154.8 MB in the beginning and 170.2 MB in the end (delta: -15.4 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14819.39 ms. Allocated memory was 223.3 MB in the beginning and 474.0 MB in the end (delta: 250.6 MB). Free memory was 170.2 MB in the beginning and 88.6 MB in the end (delta: 81.6 MB). Peak memory consumption was 332.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 509]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((!(1 == \old(a21)) || !(15 <= \old(a8))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (15 <= a8 && a21 == 1)) || (a8 <= 13 && !(a16 == 6))) || ((a17 <= 0 && a21 == 1) && !(a8 == 13))) || ((a8 <= 13 && a17 <= 0) && a20 == 1)) || !(1 == \old(a17))) || ((a8 <= 13 && a21 == 1) && a20 == \old(a20))) || ((!(a16 == 6) && a21 == 1) && a20 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 14.7s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 9.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 232 SDtfs, 3574 SDslu, 477 SDs, 0 SdLazy, 6659 SolverSat, 1343 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 564 GetRequests, 493 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3082occurred in iteration=5, 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: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 1661 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 110 PreInvPairs, 222 NumberOfFragments, 433 HoareAnnotationTreeSize, 110 FomulaSimplifications, 27800 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6371 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1298 NumberOfCodeBlocks, 1298 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1289 ConstructedInterpolants, 0 QuantifiedInterpolants, 434624 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1321 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 265/273 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...