java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label01_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 15:55:20,839 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 15:55:20,841 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 15:55:20,853 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 15:55:20,853 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 15:55:20,854 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 15:55:20,855 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 15:55:20,857 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 15:55:20,859 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 15:55:20,860 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 15:55:20,860 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 15:55:20,861 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 15:55:20,862 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 15:55:20,863 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 15:55:20,864 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 15:55:20,865 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 15:55:20,866 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 15:55:20,868 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 15:55:20,870 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 15:55:20,871 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 15:55:20,872 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 15:55:20,876 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 15:55:20,881 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-14 15:55:20,898 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-14 15:55:20,930 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 15:55:20,930 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 15:55:20,934 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 15:55:20,934 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 15:55:20,934 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 15:55:20,935 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 15:55:20,935 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 15:55:20,935 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 15:55:20,935 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 15:55:20,935 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 15:55:20,935 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 15:55:20,936 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 15:55:20,938 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 15:55:20,938 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 15:55:20,939 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 15:55:20,939 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 15:55:20,939 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 15:55:20,940 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 15:55:20,940 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 15:55:20,940 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 15:55:20,941 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 15:55:20,941 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 15:55:20,941 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 15:55:20,941 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 15:55:20,941 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 15:55:20,942 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 15:55:20,942 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 15:55:20,942 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 15:55:20,942 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 15:55:20,943 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 15:55:20,943 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 15:55:20,943 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 15:55:20,943 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 15:55:21,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 15:55:21,012 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 15:55:21,016 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 15:55:21,017 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 15:55:21,018 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 15:55:21,018 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label01_true-unreach-call_false-termination.c [2018-09-14 15:55:21,372 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3da7c42f6/59a9feaecf684339ae0f2678ac7d68fb/FLAG6454b78b3 [2018-09-14 15:55:21,649 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 15:55:21,650 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label01_true-unreach-call_false-termination.c [2018-09-14 15:55:21,672 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3da7c42f6/59a9feaecf684339ae0f2678ac7d68fb/FLAG6454b78b3 [2018-09-14 15:55:21,696 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3da7c42f6/59a9feaecf684339ae0f2678ac7d68fb [2018-09-14 15:55:21,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 15:55:21,711 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 15:55:21,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 15:55:21,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 15:55:21,720 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 15:55:21,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 03:55:21" (1/1) ... [2018-09-14 15:55:21,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a0f0bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:55:21, skipping insertion in model container [2018-09-14 15:55:21,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 03:55:21" (1/1) ... [2018-09-14 15:55:21,736 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 15:55:22,315 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 15:55:22,335 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 15:55:22,448 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 15:55:22,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:55:22 WrapperNode [2018-09-14 15:55:22,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 15:55:22,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 15:55:22,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 15:55:22,493 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 15:55:22,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:55:22" (1/1) ... [2018-09-14 15:55:22,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:55:22" (1/1) ... [2018-09-14 15:55:22,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 15:55:22,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 15:55:22,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 15:55:22,589 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 15:55:22,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:55:22" (1/1) ... [2018-09-14 15:55:22,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:55:22" (1/1) ... [2018-09-14 15:55:22,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:55:22" (1/1) ... [2018-09-14 15:55:22,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:55:22" (1/1) ... [2018-09-14 15:55:22,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:55:22" (1/1) ... [2018-09-14 15:55:22,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:55:22" (1/1) ... [2018-09-14 15:55:22,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:55:22" (1/1) ... [2018-09-14 15:55:22,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 15:55:22,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 15:55:22,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 15:55:22,812 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 15:55:22,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:55:22" (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 [2018-09-14 15:55:22,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 15:55:22,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 15:55:22,885 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-14 15:55:22,885 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-14 15:55:22,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 15:55:22,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 15:55:22,886 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 15:55:22,886 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 15:55:26,266 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 15:55:26,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 03:55:26 BoogieIcfgContainer [2018-09-14 15:55:26,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 15:55:26,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 15:55:26,269 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 15:55:26,272 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 15:55:26,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 03:55:21" (1/3) ... [2018-09-14 15:55:26,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c8f998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 03:55:26, skipping insertion in model container [2018-09-14 15:55:26,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:55:22" (2/3) ... [2018-09-14 15:55:26,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c8f998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 03:55:26, skipping insertion in model container [2018-09-14 15:55:26,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 03:55:26" (3/3) ... [2018-09-14 15:55:26,277 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label01_true-unreach-call_false-termination.c [2018-09-14 15:55:26,289 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 15:55:26,298 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 15:55:26,357 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 15:55:26,359 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 15:55:26,359 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 15:55:26,359 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 15:55:26,360 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 15:55:26,360 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 15:55:26,360 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 15:55:26,360 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 15:55:26,360 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 15:55:26,388 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-09-14 15:55:26,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-14 15:55:26,402 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 15:55:26,404 INFO L376 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] [2018-09-14 15:55:26,405 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 15:55:26,412 INFO L82 PathProgramCache]: Analyzing trace with hash 850595888, now seen corresponding path program 1 times [2018-09-14 15:55:26,415 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 15:55:26,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:55:26,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:55:26,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:55:26,478 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 15:55:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:55:27,042 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 15:55:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:55:27,174 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 15:55:27,174 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 15:55:27,174 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 15:55:27,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 15:55:27,198 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 15:55:27,199 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 15:55:27,201 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-09-14 15:55:28,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 15:55:28,527 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-09-14 15:55:28,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 15:55:28,532 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-09-14 15:55:28,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 15:55:28,557 INFO L225 Difference]: With dead ends: 550 [2018-09-14 15:55:28,558 INFO L226 Difference]: Without dead ends: 340 [2018-09-14 15:55:28,568 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 15:55:28,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-09-14 15:55:28,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-09-14 15:55:28,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-09-14 15:55:28,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 553 transitions. [2018-09-14 15:55:28,651 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 553 transitions. Word has length 98 [2018-09-14 15:55:28,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 15:55:28,652 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 553 transitions. [2018-09-14 15:55:28,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 15:55:28,653 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 553 transitions. [2018-09-14 15:55:28,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-09-14 15:55:28,660 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 15:55:28,661 INFO L376 BasicCegarLoop]: trace histogram [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] [2018-09-14 15:55:28,661 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 15:55:28,662 INFO L82 PathProgramCache]: Analyzing trace with hash 900426319, now seen corresponding path program 1 times [2018-09-14 15:55:28,662 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 15:55:28,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:55:28,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:55:28,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:55:28,664 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 15:55:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:55:28,896 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:55:28,897 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 15:55:28,897 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 15:55:28,897 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 15:55:28,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 15:55:28,900 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 15:55:28,900 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 15:55:28,900 INFO L87 Difference]: Start difference. First operand 340 states and 553 transitions. Second operand 6 states. [2018-09-14 15:55:31,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 15:55:31,008 INFO L93 Difference]: Finished difference Result 1075 states and 1835 transitions. [2018-09-14 15:55:31,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 15:55:31,011 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-09-14 15:55:31,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 15:55:31,019 INFO L225 Difference]: With dead ends: 1075 [2018-09-14 15:55:31,020 INFO L226 Difference]: Without dead ends: 741 [2018-09-14 15:55:31,023 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 15:55:31,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-09-14 15:55:31,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-09-14 15:55:31,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-09-14 15:55:31,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1145 transitions. [2018-09-14 15:55:31,085 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1145 transitions. Word has length 109 [2018-09-14 15:55:31,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 15:55:31,086 INFO L480 AbstractCegarLoop]: Abstraction has 724 states and 1145 transitions. [2018-09-14 15:55:31,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 15:55:31,086 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1145 transitions. [2018-09-14 15:55:31,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-14 15:55:31,099 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 15:55:31,099 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-14 15:55:31,100 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 15:55:31,100 INFO L82 PathProgramCache]: Analyzing trace with hash -774778626, now seen corresponding path program 1 times [2018-09-14 15:55:31,101 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 15:55:31,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:55:31,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:55:31,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:55:31,103 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 15:55:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:55:31,450 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:55:31,451 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 15:55:31,451 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG 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 [2018-09-14 15:55:31,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:55:31,463 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 15:55:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:55:31,577 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 15:55:31,745 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-09-14 15:55:31,745 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 15:55:31,924 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-09-14 15:55:31,947 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-14 15:55:31,947 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-09-14 15:55:31,947 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 15:55:31,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 15:55:31,949 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 15:55:31,949 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-09-14 15:55:31,950 INFO L87 Difference]: Start difference. First operand 724 states and 1145 transitions. Second operand 3 states. [2018-09-14 15:55:34,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 15:55:34,022 INFO L93 Difference]: Finished difference Result 2107 states and 3413 transitions. [2018-09-14 15:55:34,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 15:55:34,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2018-09-14 15:55:34,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 15:55:34,040 INFO L225 Difference]: With dead ends: 2107 [2018-09-14 15:55:34,040 INFO L226 Difference]: Without dead ends: 1389 [2018-09-14 15:55:34,044 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 266 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-09-14 15:55:34,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1389 states. [2018-09-14 15:55:34,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1389 to 1389. [2018-09-14 15:55:34,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1389 states. [2018-09-14 15:55:34,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1389 states and 2087 transitions. [2018-09-14 15:55:34,120 INFO L78 Accepts]: Start accepts. Automaton has 1389 states and 2087 transitions. Word has length 134 [2018-09-14 15:55:34,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 15:55:34,121 INFO L480 AbstractCegarLoop]: Abstraction has 1389 states and 2087 transitions. [2018-09-14 15:55:34,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 15:55:34,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 2087 transitions. [2018-09-14 15:55:34,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-09-14 15:55:34,132 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 15:55:34,132 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 15:55:34,132 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 15:55:34,133 INFO L82 PathProgramCache]: Analyzing trace with hash -2005292608, now seen corresponding path program 1 times [2018-09-14 15:55:34,133 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 15:55:34,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:55:34,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:55:34,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:55:34,134 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 15:55:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:55:34,404 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:55:34,404 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 15:55:34,404 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG 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) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 15:55:34,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:55:34,414 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 15:55:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:55:34,511 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 15:55:34,631 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:55:34,631 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 15:55:34,743 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:55:34,763 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 15:55:34,764 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 15:55:34,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:55:34,791 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 15:55:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:55:34,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 15:55:35,361 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:55:35,362 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 15:55:35,602 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:55:35,604 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 15:55:35,604 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 15 [2018-09-14 15:55:35,604 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 15:55:35,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-14 15:55:35,608 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-14 15:55:35,608 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2018-09-14 15:55:35,608 INFO L87 Difference]: Start difference. First operand 1389 states and 2087 transitions. Second operand 9 states. [2018-09-14 15:55:36,419 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2018-09-14 15:55:40,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 15:55:40,680 INFO L93 Difference]: Finished difference Result 4436 states and 7522 transitions. [2018-09-14 15:55:40,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-09-14 15:55:40,681 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 183 [2018-09-14 15:55:40,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 15:55:40,713 INFO L225 Difference]: With dead ends: 4436 [2018-09-14 15:55:40,714 INFO L226 Difference]: Without dead ends: 3053 [2018-09-14 15:55:40,729 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 775 GetRequests, 736 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=313, Invalid=1169, Unknown=0, NotChecked=0, Total=1482 [2018-09-14 15:55:40,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3053 states. [2018-09-14 15:55:40,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3053 to 2840. [2018-09-14 15:55:40,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2840 states. [2018-09-14 15:55:40,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 2840 states and 4099 transitions. [2018-09-14 15:55:40,852 INFO L78 Accepts]: Start accepts. Automaton has 2840 states and 4099 transitions. Word has length 183 [2018-09-14 15:55:40,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 15:55:40,853 INFO L480 AbstractCegarLoop]: Abstraction has 2840 states and 4099 transitions. [2018-09-14 15:55:40,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-14 15:55:40,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2840 states and 4099 transitions. [2018-09-14 15:55:40,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-09-14 15:55:40,865 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 15:55:40,865 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 15:55:40,865 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 15:55:40,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1167452104, now seen corresponding path program 1 times [2018-09-14 15:55:40,866 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 15:55:40,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:55:40,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:55:40,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:55:40,867 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 15:55:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:55:41,078 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-09-14 15:55:41,078 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 15:55:41,078 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 15:55:41,079 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 15:55:41,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 15:55:41,079 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 15:55:41,080 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 15:55:41,080 INFO L87 Difference]: Start difference. First operand 2840 states and 4099 transitions. Second operand 3 states. [2018-09-14 15:55:42,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 15:55:42,548 INFO L93 Difference]: Finished difference Result 7319 states and 10654 transitions. [2018-09-14 15:55:42,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 15:55:42,548 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2018-09-14 15:55:42,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 15:55:42,549 INFO L225 Difference]: With dead ends: 7319 [2018-09-14 15:55:42,549 INFO L226 Difference]: Without dead ends: 0 [2018-09-14 15:55:42,578 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 15:55:42,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-14 15:55:42,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-14 15:55:42,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-14 15:55:42,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-14 15:55:42,580 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 187 [2018-09-14 15:55:42,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 15:55:42,580 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-14 15:55:42,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 15:55:42,580 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-14 15:55:42,580 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-14 15:55:42,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-14 15:55:42,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:55:42,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:55:42,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:55:42,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:55:42,904 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-14 15:55:43,443 WARN L178 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2018-09-14 15:55:44,334 WARN L178 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 38 [2018-09-14 15:55:44,377 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-14 15:55:44,377 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-09-14 15:55:44,377 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-14 15:55:44,378 INFO L426 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-09-14 15:55:44,378 INFO L426 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-09-14 15:55:44,378 INFO L426 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,378 INFO L426 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,379 INFO L426 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,379 INFO L426 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,379 INFO L426 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,379 INFO L426 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,379 INFO L426 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-09-14 15:55:44,379 INFO L426 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-09-14 15:55:44,379 INFO L426 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-09-14 15:55:44,380 INFO L426 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-09-14 15:55:44,380 INFO L426 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-09-14 15:55:44,380 INFO L426 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-09-14 15:55:44,380 INFO L426 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-09-14 15:55:44,380 INFO L426 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-09-14 15:55:44,380 INFO L426 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-09-14 15:55:44,380 INFO L426 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-09-14 15:55:44,381 INFO L426 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,381 INFO L426 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,381 INFO L426 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,381 INFO L426 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,381 INFO L426 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,381 INFO L426 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,381 INFO L426 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-09-14 15:55:44,381 INFO L426 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-09-14 15:55:44,382 INFO L426 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-09-14 15:55:44,382 INFO L426 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-09-14 15:55:44,382 INFO L426 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-09-14 15:55:44,382 INFO L426 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-09-14 15:55:44,382 INFO L426 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-09-14 15:55:44,382 INFO L426 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-09-14 15:55:44,382 INFO L426 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-09-14 15:55:44,382 INFO L426 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-09-14 15:55:44,383 INFO L426 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-09-14 15:55:44,383 INFO L426 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-09-14 15:55:44,383 INFO L426 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-09-14 15:55:44,383 INFO L426 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-09-14 15:55:44,383 INFO L426 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-09-14 15:55:44,383 INFO L426 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,383 INFO L426 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,384 INFO L426 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,384 INFO L426 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,384 INFO L426 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,384 INFO L426 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-09-14 15:55:44,384 INFO L426 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-09-14 15:55:44,384 INFO L426 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-09-14 15:55:44,384 INFO L426 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-09-14 15:55:44,384 INFO L426 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-09-14 15:55:44,385 INFO L426 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-09-14 15:55:44,385 INFO L426 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-09-14 15:55:44,385 INFO L426 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-09-14 15:55:44,385 INFO L426 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-09-14 15:55:44,385 INFO L426 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,391 INFO L426 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,391 INFO L426 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,391 INFO L426 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,392 INFO L426 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,392 INFO L426 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-09-14 15:55:44,392 INFO L426 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-09-14 15:55:44,392 INFO L426 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-09-14 15:55:44,392 INFO L426 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-09-14 15:55:44,392 INFO L426 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-09-14 15:55:44,392 INFO L426 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-09-14 15:55:44,392 INFO L426 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-09-14 15:55:44,393 INFO L426 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-09-14 15:55:44,393 INFO L426 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2018-09-14 15:55:44,393 INFO L426 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-09-14 15:55:44,393 INFO L426 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-09-14 15:55:44,393 INFO L426 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-09-14 15:55:44,393 INFO L426 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-09-14 15:55:44,393 INFO L426 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-09-14 15:55:44,394 INFO L426 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,394 INFO L426 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,394 INFO L426 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,394 INFO L426 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,394 INFO L426 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,394 INFO L426 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-09-14 15:55:44,394 INFO L426 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-09-14 15:55:44,395 INFO L426 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-09-14 15:55:44,395 INFO L426 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-09-14 15:55:44,395 INFO L426 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-09-14 15:55:44,395 INFO L426 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-09-14 15:55:44,395 INFO L426 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-09-14 15:55:44,395 INFO L426 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-09-14 15:55:44,395 INFO L426 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-09-14 15:55:44,395 INFO L426 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,395 INFO L426 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,396 INFO L426 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,396 INFO L426 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,396 INFO L426 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,396 INFO L426 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,396 INFO L426 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-09-14 15:55:44,396 INFO L426 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,396 INFO L426 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-09-14 15:55:44,396 INFO L426 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-09-14 15:55:44,396 INFO L426 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-09-14 15:55:44,396 INFO L426 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-09-14 15:55:44,396 INFO L426 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-09-14 15:55:44,397 INFO L426 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-09-14 15:55:44,397 INFO L426 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-09-14 15:55:44,397 INFO L426 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-09-14 15:55:44,397 INFO L426 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-09-14 15:55:44,397 INFO L426 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-09-14 15:55:44,397 INFO L426 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-09-14 15:55:44,397 INFO L426 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-09-14 15:55:44,397 INFO L426 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-09-14 15:55:44,397 INFO L426 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,397 INFO L426 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,397 INFO L426 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,397 INFO L426 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,397 INFO L426 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,398 INFO L426 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-09-14 15:55:44,398 INFO L426 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-09-14 15:55:44,398 INFO L426 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-09-14 15:55:44,398 INFO L426 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-09-14 15:55:44,398 INFO L426 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-09-14 15:55:44,398 INFO L426 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-09-14 15:55:44,398 INFO L426 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-09-14 15:55:44,398 INFO L426 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-09-14 15:55:44,398 INFO L426 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,398 INFO L426 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,398 INFO L426 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,398 INFO L426 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,399 INFO L426 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,399 INFO L426 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-09-14 15:55:44,399 INFO L426 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-09-14 15:55:44,399 INFO L426 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-09-14 15:55:44,399 INFO L426 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-09-14 15:55:44,399 INFO L426 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-09-14 15:55:44,399 INFO L426 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-09-14 15:55:44,399 INFO L426 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-09-14 15:55:44,399 INFO L426 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-09-14 15:55:44,399 INFO L426 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-09-14 15:55:44,399 INFO L426 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-09-14 15:55:44,400 INFO L422 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse3 (= 6 |old(~a16~0)|)) (.cse7 (= 13 |old(~a8~0)|)) (.cse6 (not (= ~a8~0 13))) (.cse2 (< 0 |old(~a17~0)|)) (.cse4 (not (= 1 |old(~a21~0)|))) (.cse5 (= 1 |old(~a7~0)|)) (.cse0 (= |old(~a16~0)| ~a16~0)) (.cse1 (= ~a21~0 |old(~a21~0)|))) (and (or (and .cse0 (<= ~a17~0 0) .cse1) .cse2) (or .cse3 (and .cse0 .cse1)) (or .cse4 .cse5 .cse6 .cse7) (or .cse3 .cse4 .cse7 .cse6) (or .cse4 .cse7 .cse6 .cse2) (or .cse4 .cse5 (and (not (= ~a7~0 1)) .cse0 .cse1)))) [2018-09-14 15:55:44,400 INFO L426 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-09-14 15:55:44,400 INFO L426 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,400 INFO L426 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,400 INFO L426 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,401 INFO L426 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,401 INFO L426 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-09-14 15:55:44,401 INFO L426 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,401 INFO L426 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,401 INFO L426 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-09-14 15:55:44,401 INFO L426 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-09-14 15:55:44,401 INFO L426 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-09-14 15:55:44,402 INFO L426 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-09-14 15:55:44,402 INFO L426 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-09-14 15:55:44,402 INFO L426 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-09-14 15:55:44,402 INFO L426 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-09-14 15:55:44,402 INFO L426 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-09-14 15:55:44,402 INFO L426 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-09-14 15:55:44,402 INFO L426 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-09-14 15:55:44,402 INFO L426 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-09-14 15:55:44,403 INFO L426 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-09-14 15:55:44,403 INFO L426 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,403 INFO L426 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,403 INFO L426 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,403 INFO L426 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,403 INFO L426 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,403 INFO L426 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-09-14 15:55:44,403 INFO L426 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,403 INFO L426 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-09-14 15:55:44,404 INFO L426 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-09-14 15:55:44,404 INFO L426 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-09-14 15:55:44,404 INFO L426 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-09-14 15:55:44,404 INFO L426 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-09-14 15:55:44,404 INFO L426 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-09-14 15:55:44,404 INFO L426 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-09-14 15:55:44,404 INFO L426 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-09-14 15:55:44,404 INFO L426 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-09-14 15:55:44,404 INFO L426 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-09-14 15:55:44,404 INFO L426 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-09-14 15:55:44,404 INFO L426 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-09-14 15:55:44,404 INFO L426 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-09-14 15:55:44,405 INFO L426 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-09-14 15:55:44,405 INFO L426 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,405 INFO L426 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,405 INFO L426 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,405 INFO L426 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,405 INFO L426 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,405 INFO L426 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:55:44,405 INFO L426 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-09-14 15:55:44,405 INFO L426 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-09-14 15:55:44,405 INFO L426 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-09-14 15:55:44,405 INFO L426 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-09-14 15:55:44,405 INFO L426 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-09-14 15:55:44,405 INFO L426 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-09-14 15:55:44,406 INFO L426 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-09-14 15:55:44,406 INFO L426 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-09-14 15:55:44,406 INFO L426 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-09-14 15:55:44,406 INFO L426 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-09-14 15:55:44,406 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-14 15:55:44,406 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (not (= ~a16~0 6)) (= 1 ~a21~0) (not (= ~a8~0 13))) [2018-09-14 15:55:44,406 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-14 15:55:44,406 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-14 15:55:44,406 INFO L422 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (= 13 |old(~a8~0)|) (and (not (= ~a7~0 1)) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|) (not (= ~a8~0 13)))) [2018-09-14 15:55:44,407 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-09-14 15:55:44,407 INFO L422 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (and (not (= ~a7~0 1)) (= 1 ~a21~0)) (= 13 |old(~a8~0)|) (not (= ~a16~0 6)) (<= ~a17~0 0)) [2018-09-14 15:55:44,407 INFO L426 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-09-14 15:55:44,407 INFO L426 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-09-14 15:55:44,407 INFO L426 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-09-14 15:55:44,407 INFO L422 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (and (not (= ~a7~0 1)) (= 1 ~a21~0)) (= 13 |old(~a8~0)|) (not (= ~a16~0 6)) (<= ~a17~0 0)) [2018-09-14 15:55:44,407 INFO L426 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-09-14 15:55:44,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 03:55:44 BoogieIcfgContainer [2018-09-14 15:55:44,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 15:55:44,424 INFO L168 Benchmark]: Toolchain (without parser) took 22715.07 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -800.7 MB). Peak memory consumption was 321.8 MB. Max. memory is 7.1 GB. [2018-09-14 15:55:44,425 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-14 15:55:44,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 778.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-14 15:55:44,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-14 15:55:44,427 INFO L168 Benchmark]: Boogie Preprocessor took 222.88 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 769.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -868.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2018-09-14 15:55:44,429 INFO L168 Benchmark]: RCFGBuilder took 3455.66 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 103.7 MB). Peak memory consumption was 103.7 MB. Max. memory is 7.1 GB. [2018-09-14 15:55:44,430 INFO L168 Benchmark]: TraceAbstraction took 18154.15 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 353.4 MB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -88.6 MB). Peak memory consumption was 264.7 MB. Max. memory is 7.1 GB. [2018-09-14 15:55:44,435 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 778.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 96.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 222.88 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 769.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -868.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3455.66 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 103.7 MB). Peak memory consumption was 103.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18154.15 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 353.4 MB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -88.6 MB). Peak memory consumption was 264.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 449]: 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: (((((6 == \old(a16) || !(1 == \old(a21))) || 1 == \old(a7)) || (!(a7 == 1) && 1 == a21)) || 13 == \old(a8)) || !(a16 == 6)) || a17 <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 18.0s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 12.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 811 SDtfs, 2629 SDslu, 584 SDs, 0 SdLazy, 4520 SolverSat, 1225 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1068 GetRequests, 1010 SyntacticMatches, 7 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2840occurred 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: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 230 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 63 PreInvPairs, 115 NumberOfFragments, 203 HoareAnnotationTreeSize, 63 FomulaSimplifications, 5120 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 824 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1211 NumberOfCodeBlocks, 1211 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1700 ConstructedInterpolants, 0 QuantifiedInterpolants, 717429 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1368 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 676/688 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label01_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_15-55-44-452.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label01_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_15-55-44-452.csv Received shutdown request...