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_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-07 13:10:14,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-07 13:10:14,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-07 13:10:14,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-07 13:10:14,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-07 13:10:14,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-07 13:10:14,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-07 13:10:14,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-07 13:10:14,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-07 13:10:14,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-07 13:10:14,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-07 13:10:14,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-07 13:10:14,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-07 13:10:14,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-07 13:10:14,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-07 13:10:14,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-07 13:10:14,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-07 13:10:14,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-07 13:10:14,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-07 13:10:14,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-07 13:10:14,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-07 13:10:14,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-07 13:10:14,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-07 13:10:14,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-07 13:10:14,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-07 13:10:14,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-07 13:10:14,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-07 13:10:14,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-07 13:10:14,499 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 13:10:14,514 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-07 13:10:14,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-07 13:10:14,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-07 13:10:14,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-07 13:10:14,515 INFO L138 SettingsManager]: * Use SBE=true [2019-09-07 13:10:14,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-07 13:10:14,516 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-07 13:10:14,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-07 13:10:14,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-07 13:10:14,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-07 13:10:14,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-07 13:10:14,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-07 13:10:14,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-07 13:10:14,517 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-07 13:10:14,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-07 13:10:14,518 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-07 13:10:14,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-07 13:10:14,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-07 13:10:14,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-07 13:10:14,519 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-07 13:10:14,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-07 13:10:14,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-07 13:10:14,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-07 13:10:14,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-07 13:10:14,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-07 13:10:14,520 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-07 13:10:14,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-07 13:10:14,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-07 13:10:14,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-07 13:10:14,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-07 13:10:14,574 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-07 13:10:14,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-07 13:10:14,580 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-07 13:10:14,581 INFO L275 PluginConnector]: CDTParser initialized [2019-09-07 13:10:14,582 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label54.c [2019-09-07 13:10:14,652 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a8c41bc1/f38a3d65f04a4863be8e7caba2928e72/FLAG5caa3f019 [2019-09-07 13:10:15,251 INFO L306 CDTParser]: Found 1 translation units. [2019-09-07 13:10:15,252 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label54.c [2019-09-07 13:10:15,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a8c41bc1/f38a3d65f04a4863be8e7caba2928e72/FLAG5caa3f019 [2019-09-07 13:10:15,536 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a8c41bc1/f38a3d65f04a4863be8e7caba2928e72 [2019-09-07 13:10:15,546 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-07 13:10:15,548 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-07 13:10:15,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-07 13:10:15,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-07 13:10:15,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-07 13:10:15,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 01:10:15" (1/1) ... [2019-09-07 13:10:15,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd675f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:15, skipping insertion in model container [2019-09-07 13:10:15,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 01:10:15" (1/1) ... [2019-09-07 13:10:15,563 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-07 13:10:15,622 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-07 13:10:16,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 13:10:16,159 INFO L188 MainTranslator]: Completed pre-run [2019-09-07 13:10:16,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 13:10:16,297 INFO L192 MainTranslator]: Completed translation [2019-09-07 13:10:16,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:16 WrapperNode [2019-09-07 13:10:16,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-07 13:10:16,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-07 13:10:16,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-07 13:10:16,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-07 13:10:16,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:16" (1/1) ... [2019-09-07 13:10:16,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:16" (1/1) ... [2019-09-07 13:10:16,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:16" (1/1) ... [2019-09-07 13:10:16,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:16" (1/1) ... [2019-09-07 13:10:16,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:16" (1/1) ... [2019-09-07 13:10:16,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:16" (1/1) ... [2019-09-07 13:10:16,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:16" (1/1) ... [2019-09-07 13:10:16,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-07 13:10:16,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-07 13:10:16,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-07 13:10:16,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-07 13:10:16,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:16" (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 13:10:16,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-07 13:10:16,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-07 13:10:16,497 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-07 13:10:16,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-07 13:10:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-07 13:10:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-07 13:10:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-07 13:10:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-07 13:10:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-07 13:10:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-07 13:10:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-07 13:10:17,808 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-07 13:10:17,808 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-07 13:10:17,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 01:10:17 BoogieIcfgContainer [2019-09-07 13:10:17,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-07 13:10:17,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-07 13:10:17,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-07 13:10:17,822 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-07 13:10:17,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 01:10:15" (1/3) ... [2019-09-07 13:10:17,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281fa643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 01:10:17, skipping insertion in model container [2019-09-07 13:10:17,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:10:16" (2/3) ... [2019-09-07 13:10:17,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281fa643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 01:10:17, skipping insertion in model container [2019-09-07 13:10:17,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 01:10:17" (3/3) ... [2019-09-07 13:10:17,834 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label54.c [2019-09-07 13:10:17,847 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-07 13:10:17,858 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-07 13:10:17,878 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-07 13:10:17,921 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-07 13:10:17,923 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-07 13:10:17,923 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-07 13:10:17,923 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-07 13:10:17,923 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-07 13:10:17,924 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-07 13:10:17,924 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-07 13:10:17,924 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-07 13:10:17,924 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-07 13:10:17,976 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-09-07 13:10:18,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-09-07 13:10:18,003 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:10:18,004 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 13:10:18,008 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:10:18,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:10:18,016 INFO L82 PathProgramCache]: Analyzing trace with hash -622531154, now seen corresponding path program 1 times [2019-09-07 13:10:18,018 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:10:18,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:10:18,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:18,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:10:18,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:18,575 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 13:10:18,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 13:10:18,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-07 13:10:18,586 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-07 13:10:18,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-07 13:10:18,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 13:10:18,605 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2019-09-07 13:10:19,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:10:19,569 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2019-09-07 13:10:19,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-07 13:10:19,576 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2019-09-07 13:10:19,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:10:19,609 INFO L225 Difference]: With dead ends: 547 [2019-09-07 13:10:19,610 INFO L226 Difference]: Without dead ends: 278 [2019-09-07 13:10:19,624 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 13:10:19,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2019-09-07 13:10:19,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2019-09-07 13:10:19,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-09-07 13:10:19,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 412 transitions. [2019-09-07 13:10:19,702 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 412 transitions. Word has length 128 [2019-09-07 13:10:19,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:10:19,703 INFO L475 AbstractCegarLoop]: Abstraction has 278 states and 412 transitions. [2019-09-07 13:10:19,704 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-07 13:10:19,704 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 412 transitions. [2019-09-07 13:10:19,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-09-07 13:10:19,708 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:10:19,709 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 13:10:19,709 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:10:19,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:10:19,710 INFO L82 PathProgramCache]: Analyzing trace with hash -46694981, now seen corresponding path program 1 times [2019-09-07 13:10:19,710 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:10:19,710 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:10:19,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:19,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:10:19,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:19,950 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 13:10:19,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 13:10:19,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-07 13:10:19,955 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-07 13:10:19,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-07 13:10:19,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 13:10:19,957 INFO L87 Difference]: Start difference. First operand 278 states and 412 transitions. Second operand 3 states. [2019-09-07 13:10:20,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:10:20,590 INFO L93 Difference]: Finished difference Result 820 states and 1235 transitions. [2019-09-07 13:10:20,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-07 13:10:20,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2019-09-07 13:10:20,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:10:20,598 INFO L225 Difference]: With dead ends: 820 [2019-09-07 13:10:20,598 INFO L226 Difference]: Without dead ends: 548 [2019-09-07 13:10:20,600 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 13:10:20,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2019-09-07 13:10:20,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 413. [2019-09-07 13:10:20,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2019-09-07 13:10:20,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 593 transitions. [2019-09-07 13:10:20,633 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 593 transitions. Word has length 145 [2019-09-07 13:10:20,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:10:20,634 INFO L475 AbstractCegarLoop]: Abstraction has 413 states and 593 transitions. [2019-09-07 13:10:20,634 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-07 13:10:20,634 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 593 transitions. [2019-09-07 13:10:20,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-09-07 13:10:20,639 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:10:20,639 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, 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] [2019-09-07 13:10:20,639 INFO L418 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:10:20,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:10:20,640 INFO L82 PathProgramCache]: Analyzing trace with hash 345749953, now seen corresponding path program 1 times [2019-09-07 13:10:20,640 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:10:20,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:10:20,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:20,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:10:20,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:20,786 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 13:10:20,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 13:10:20,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-07 13:10:20,787 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-07 13:10:20,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-07 13:10:20,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-07 13:10:20,788 INFO L87 Difference]: Start difference. First operand 413 states and 593 transitions. Second operand 6 states. [2019-09-07 13:10:21,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:10:21,691 INFO L93 Difference]: Finished difference Result 1116 states and 1634 transitions. [2019-09-07 13:10:21,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-07 13:10:21,692 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2019-09-07 13:10:21,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:10:21,698 INFO L225 Difference]: With dead ends: 1116 [2019-09-07 13:10:21,699 INFO L226 Difference]: Without dead ends: 709 [2019-09-07 13:10:21,700 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 13:10:21,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2019-09-07 13:10:21,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 697. [2019-09-07 13:10:21,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2019-09-07 13:10:21,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 952 transitions. [2019-09-07 13:10:21,748 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 952 transitions. Word has length 172 [2019-09-07 13:10:21,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:10:21,749 INFO L475 AbstractCegarLoop]: Abstraction has 697 states and 952 transitions. [2019-09-07 13:10:21,749 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-07 13:10:21,749 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 952 transitions. [2019-09-07 13:10:21,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-09-07 13:10:21,754 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:10:21,755 INFO L399 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:10:21,755 INFO L418 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:10:21,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:10:21,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1092170536, now seen corresponding path program 1 times [2019-09-07 13:10:21,756 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:10:21,756 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:10:21,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:21,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:10:21,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:21,913 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-07 13:10:21,914 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 13:10:21,914 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 13:10:21,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:10:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:22,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-07 13:10:22,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 13:10:22,228 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-09-07 13:10:22,237 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-07 13:10:22,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-09-07 13:10:22,240 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-07 13:10:22,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-07 13:10:22,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-09-07 13:10:22,242 INFO L87 Difference]: Start difference. First operand 697 states and 952 transitions. Second operand 9 states. [2019-09-07 13:10:23,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:10:23,438 INFO L93 Difference]: Finished difference Result 1859 states and 2728 transitions. [2019-09-07 13:10:23,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-07 13:10:23,439 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 182 [2019-09-07 13:10:23,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:10:23,449 INFO L225 Difference]: With dead ends: 1859 [2019-09-07 13:10:23,450 INFO L226 Difference]: Without dead ends: 1168 [2019-09-07 13:10:23,453 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-09-07 13:10:23,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2019-09-07 13:10:23,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 977. [2019-09-07 13:10:23,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-09-07 13:10:23,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1312 transitions. [2019-09-07 13:10:23,529 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1312 transitions. Word has length 182 [2019-09-07 13:10:23,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:10:23,529 INFO L475 AbstractCegarLoop]: Abstraction has 977 states and 1312 transitions. [2019-09-07 13:10:23,530 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-07 13:10:23,530 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1312 transitions. [2019-09-07 13:10:23,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-09-07 13:10:23,535 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 13:10:23,536 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, 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] [2019-09-07 13:10:23,537 INFO L418 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 13:10:23,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 13:10:23,537 INFO L82 PathProgramCache]: Analyzing trace with hash 447717146, now seen corresponding path program 1 times [2019-09-07 13:10:23,537 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 13:10:23,538 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 13:10:23,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:23,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 13:10:23,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 13:10:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:23,771 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 13:10:23,771 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 13:10:23,771 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 13:10:23,799 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 13:10:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 13:10:23,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-07 13:10:23,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 13:10:23,956 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-09-07 13:10:23,962 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-07 13:10:23,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-09-07 13:10:23,964 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-07 13:10:23,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-07 13:10:23,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-07 13:10:23,965 INFO L87 Difference]: Start difference. First operand 977 states and 1312 transitions. Second operand 7 states. [2019-09-07 13:10:25,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 13:10:25,667 INFO L93 Difference]: Finished difference Result 2947 states and 4168 transitions. [2019-09-07 13:10:25,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-07 13:10:25,668 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2019-09-07 13:10:25,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 13:10:25,668 INFO L225 Difference]: With dead ends: 2947 [2019-09-07 13:10:25,669 INFO L226 Difference]: Without dead ends: 0 [2019-09-07 13:10:25,676 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2019-09-07 13:10:25,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-07 13:10:25,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-07 13:10:25,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-07 13:10:25,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-07 13:10:25,677 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2019-09-07 13:10:25,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 13:10:25,677 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-07 13:10:25,678 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-07 13:10:25,678 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-07 13:10:25,678 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-07 13:10:25,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-07 13:10:26,033 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2019-09-07 13:10:26,177 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-07 13:10:26,177 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a21~0 |old(~a21~0)|)) [2019-09-07 13:10:26,177 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-07 13:10:26,177 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-09-07 13:10:26,178 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-09-07 13:10:26,178 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,178 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,178 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,178 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,178 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,179 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,179 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-09-07 13:10:26,179 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-09-07 13:10:26,179 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-09-07 13:10:26,179 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-09-07 13:10:26,180 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-09-07 13:10:26,180 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-09-07 13:10:26,181 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-09-07 13:10:26,181 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-09-07 13:10:26,181 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-09-07 13:10:26,181 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-09-07 13:10:26,181 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,182 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,182 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,182 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,182 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,182 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,184 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-09-07 13:10:26,184 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-09-07 13:10:26,185 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-09-07 13:10:26,185 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-09-07 13:10:26,185 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-09-07 13:10:26,185 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-09-07 13:10:26,185 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-09-07 13:10:26,185 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-09-07 13:10:26,186 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-09-07 13:10:26,186 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-09-07 13:10:26,190 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-09-07 13:10:26,193 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-09-07 13:10:26,193 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-09-07 13:10:26,194 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-09-07 13:10:26,194 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-09-07 13:10:26,194 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,194 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,194 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,194 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,194 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,195 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-09-07 13:10:26,195 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-09-07 13:10:26,195 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-09-07 13:10:26,195 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-09-07 13:10:26,195 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-09-07 13:10:26,195 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-09-07 13:10:26,195 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-09-07 13:10:26,195 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-09-07 13:10:26,196 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-09-07 13:10:26,196 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,196 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,199 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,199 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,200 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,200 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-09-07 13:10:26,200 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-09-07 13:10:26,200 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-09-07 13:10:26,201 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-09-07 13:10:26,201 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-09-07 13:10:26,201 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-09-07 13:10:26,201 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-09-07 13:10:26,203 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-09-07 13:10:26,203 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-09-07 13:10:26,204 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-09-07 13:10:26,204 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-09-07 13:10:26,204 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-09-07 13:10:26,204 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-09-07 13:10:26,204 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,204 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,205 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,205 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,205 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,205 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-09-07 13:10:26,205 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-09-07 13:10:26,206 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-09-07 13:10:26,206 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-09-07 13:10:26,206 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-09-07 13:10:26,210 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-09-07 13:10:26,210 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-09-07 13:10:26,211 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-09-07 13:10:26,211 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-09-07 13:10:26,211 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,211 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,211 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,211 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,211 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,212 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,212 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-09-07 13:10:26,212 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,212 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-09-07 13:10:26,212 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-09-07 13:10:26,212 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-09-07 13:10:26,212 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-09-07 13:10:26,213 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-09-07 13:10:26,213 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-09-07 13:10:26,213 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-09-07 13:10:26,213 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-09-07 13:10:26,215 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-09-07 13:10:26,215 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-09-07 13:10:26,215 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-09-07 13:10:26,215 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-09-07 13:10:26,215 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-09-07 13:10:26,216 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,216 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,216 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,216 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,216 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,216 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-09-07 13:10:26,216 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-09-07 13:10:26,217 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-09-07 13:10:26,217 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-09-07 13:10:26,217 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-09-07 13:10:26,217 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-09-07 13:10:26,217 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-09-07 13:10:26,218 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-09-07 13:10:26,218 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,218 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,218 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,218 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,218 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,219 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-09-07 13:10:26,219 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-09-07 13:10:26,219 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-09-07 13:10:26,219 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-09-07 13:10:26,219 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-09-07 13:10:26,220 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-09-07 13:10:26,220 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-09-07 13:10:26,220 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-09-07 13:10:26,220 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-09-07 13:10:26,220 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-09-07 13:10:26,221 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 542) no Hoare annotation was computed. [2019-09-07 13:10:26,223 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (= ~a7~0 |old(~a7~0)|)) (.cse1 (= ~a16~0 |old(~a16~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|))) (let ((.cse5 (= 14 |old(~a8~0)|)) (.cse6 (and .cse0 .cse1 (not (= 14 ~a8~0)) .cse2)) (.cse3 (not (= 1 |old(~a21~0)|))) (.cse4 (= 1 |old(~a7~0)|))) (and (or (= 1 |old(~a17~0)|) (and .cse0 .cse1 (not (= ~a17~0 1)) .cse2)) (or .cse3 .cse4 .cse5 .cse6) (or (not (<= |old(~a16~0)| 5)) .cse5 .cse6) (or .cse3 .cse4 (not (<= |old(~a16~0)| 4)) (and .cse0 .cse1 .cse2))))) [2019-09-07 13:10:26,223 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-09-07 13:10:26,223 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,223 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,223 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,223 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,224 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-09-07 13:10:26,224 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,224 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,224 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-09-07 13:10:26,224 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-09-07 13:10:26,224 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-09-07 13:10:26,224 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-09-07 13:10:26,224 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-09-07 13:10:26,225 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-09-07 13:10:26,225 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-09-07 13:10:26,226 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-09-07 13:10:26,226 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-09-07 13:10:26,229 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-09-07 13:10:26,230 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-09-07 13:10:26,230 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-09-07 13:10:26,231 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,231 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,231 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,231 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,232 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,232 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-09-07 13:10:26,235 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,235 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-09-07 13:10:26,235 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-09-07 13:10:26,236 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-09-07 13:10:26,236 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-09-07 13:10:26,236 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-09-07 13:10:26,236 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-09-07 13:10:26,236 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-09-07 13:10:26,237 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-09-07 13:10:26,237 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-09-07 13:10:26,237 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-09-07 13:10:26,237 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-09-07 13:10:26,237 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-09-07 13:10:26,237 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-09-07 13:10:26,238 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-09-07 13:10:26,238 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,238 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,238 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,238 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,238 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,239 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-09-07 13:10:26,239 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-09-07 13:10:26,239 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-09-07 13:10:26,239 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-09-07 13:10:26,239 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-09-07 13:10:26,239 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-09-07 13:10:26,239 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-09-07 13:10:26,240 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-09-07 13:10:26,240 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-09-07 13:10:26,240 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-09-07 13:10:26,240 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-09-07 13:10:26,240 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-07 13:10:26,241 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (<= ~a16~0 5) (not (= 14 ~a8~0)) (= ~a21~0 1)) [2019-09-07 13:10:26,241 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-07 13:10:26,241 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-07 13:10:26,242 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (not (<= |old(~a16~0)| 5)) (= 14 |old(~a8~0)|) (and (= ~a7~0 |old(~a7~0)|) (= ~a16~0 |old(~a16~0)|) (not (= 14 ~a8~0)) (= ~a21~0 |old(~a21~0)|))) [2019-09-07 13:10:26,242 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-09-07 13:10:26,242 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a7~0 1))) (.cse1 (= ~a21~0 1)) (.cse2 (not (= 14 ~a8~0)))) (or (not (= 1 |old(~a21~0)|)) (= 14 |old(~a8~0)|) (and .cse0 .cse1 (<= ~a16~0 4)) (and (<= ~a16~0 5) .cse2) (not (= ~a17~0 1)) (= 1 |old(~a7~0)|) (not (<= |old(~a16~0)| 5)) (and .cse0 .cse1 .cse2))) [2019-09-07 13:10:26,242 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-09-07 13:10:26,242 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-09-07 13:10:26,243 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a7~0 1))) (.cse1 (= ~a21~0 1)) (.cse2 (not (= 14 ~a8~0)))) (or (not (= 1 |old(~a21~0)|)) (= 14 |old(~a8~0)|) (and .cse0 .cse1 (<= ~a16~0 4)) (and (<= ~a16~0 5) .cse2) (not (= ~a17~0 1)) (= 1 |old(~a7~0)|) (not (<= |old(~a16~0)| 5)) (and .cse0 .cse1 .cse2))) [2019-09-07 13:10:26,243 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-09-07 13:10:26,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 01:10:26 BoogieIcfgContainer [2019-09-07 13:10:26,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-07 13:10:26,268 INFO L168 Benchmark]: Toolchain (without parser) took 10719.18 ms. Allocated memory was 134.2 MB in the beginning and 362.3 MB in the end (delta: 228.1 MB). Free memory was 88.6 MB in the beginning and 143.4 MB in the end (delta: -54.8 MB). Peak memory consumption was 173.3 MB. Max. memory is 7.1 GB. [2019-09-07 13:10:26,270 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 134.2 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-07 13:10:26,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.80 ms. Allocated memory was 134.2 MB in the beginning and 203.4 MB in the end (delta: 69.2 MB). Free memory was 88.4 MB in the beginning and 165.2 MB in the end (delta: -76.7 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2019-09-07 13:10:26,274 INFO L168 Benchmark]: Boogie Preprocessor took 131.95 ms. Allocated memory is still 203.4 MB. Free memory was 165.2 MB in the beginning and 160.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-09-07 13:10:26,275 INFO L168 Benchmark]: RCFGBuilder took 1383.24 ms. Allocated memory was 203.4 MB in the beginning and 230.2 MB in the end (delta: 26.7 MB). Free memory was 160.0 MB in the beginning and 176.7 MB in the end (delta: -16.6 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2019-09-07 13:10:26,277 INFO L168 Benchmark]: TraceAbstraction took 8446.69 ms. Allocated memory was 230.2 MB in the beginning and 362.3 MB in the end (delta: 132.1 MB). Free memory was 176.7 MB in the beginning and 143.4 MB in the end (delta: 33.2 MB). Peak memory consumption was 165.3 MB. Max. memory is 7.1 GB. [2019-09-07 13:10:26,290 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 134.2 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 749.80 ms. Allocated memory was 134.2 MB in the beginning and 203.4 MB in the end (delta: 69.2 MB). Free memory was 88.4 MB in the beginning and 165.2 MB in the end (delta: -76.7 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.95 ms. Allocated memory is still 203.4 MB. Free memory was 165.2 MB in the beginning and 160.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1383.24 ms. Allocated memory was 203.4 MB in the beginning and 230.2 MB in the end (delta: 26.7 MB). Free memory was 160.0 MB in the beginning and 176.7 MB in the end (delta: -16.6 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8446.69 ms. Allocated memory was 230.2 MB in the beginning and 362.3 MB in the end (delta: 132.1 MB). Free memory was 176.7 MB in the beginning and 143.4 MB in the end (delta: 33.2 MB). Peak memory consumption was 165.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 542]: 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)) || 14 == \old(a8)) || ((!(a7 == 1) && a21 == 1) && a16 <= 4)) || (a16 <= 5 && !(14 == a8))) || !(a17 == 1)) || 1 == \old(a7)) || !(\old(a16) <= 5)) || ((!(a7 == 1) && a21 == 1) && !(14 == a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 8.3s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 5.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 335 SDtfs, 2292 SDslu, 203 SDs, 0 SdLazy, 3265 SolverSat, 818 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 420 GetRequests, 386 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=977occurred in iteration=4, 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: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 338 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 46 PreInvPairs, 90 NumberOfFragments, 243 HoareAnnotationTreeSize, 46 FomulaSimplifications, 3033 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 940 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1175 NumberOfCodeBlocks, 1175 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1168 ConstructedInterpolants, 0 QuantifiedInterpolants, 448061 SizeOfPredicates, 3 NumberOfNonLiveVariables, 947 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 283/291 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...