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_label29_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 10:07:03,719 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 10:07:03,722 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 10:07:03,737 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 10:07:03,737 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 10:07:03,738 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 10:07:03,740 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 10:07:03,743 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 10:07:03,746 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 10:07:03,752 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 10:07:03,753 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 10:07:03,754 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 10:07:03,759 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 10:07:03,760 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 10:07:03,761 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 10:07:03,764 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 10:07:03,765 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 10:07:03,770 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 10:07:03,775 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 10:07:03,776 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 10:07:03,781 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 10:07:03,782 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 10:07:03,785 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-18 10:07:03,796 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 10:07:03,796 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 10:07:03,797 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 10:07:03,798 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 10:07:03,798 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 [2018-09-18 10:07:03,819 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 10:07:03,819 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 10:07:03,821 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 10:07:03,821 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 10:07:03,821 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 10:07:03,822 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 10:07:03,822 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 10:07:03,822 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 10:07:03,822 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 10:07:03,823 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 10:07:03,823 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 10:07:03,823 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 10:07:03,824 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 10:07:03,824 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 10:07:03,825 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 10:07:03,825 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 10:07:03,825 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 10:07:03,825 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 10:07:03,827 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 10:07:03,827 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 10:07:03,827 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 10:07:03,827 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 10:07:03,828 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 10:07:03,828 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 10:07:03,828 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 10:07:03,828 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 10:07:03,828 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 10:07:03,829 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 10:07:03,829 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 10:07:03,829 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 10:07:03,829 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 10:07:03,829 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 10:07:03,829 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 10:07:03,830 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 10:07:03,900 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 10:07:03,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 10:07:03,922 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 10:07:03,924 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 10:07:03,925 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 10:07:03,926 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c [2018-09-18 10:07:04,292 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/591668a3f/f994f7fc4bd24dd2a6855dfe6e04da86/FLAGc343b561f [2018-09-18 10:07:04,589 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 10:07:04,590 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c [2018-09-18 10:07:04,606 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/591668a3f/f994f7fc4bd24dd2a6855dfe6e04da86/FLAGc343b561f [2018-09-18 10:07:04,629 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/591668a3f/f994f7fc4bd24dd2a6855dfe6e04da86 [2018-09-18 10:07:04,639 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 10:07:04,642 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 10:07:04,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 10:07:04,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 10:07:04,650 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 10:07:04,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:07:04" (1/1) ... [2018-09-18 10:07:04,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cedc78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:07:04, skipping insertion in model container [2018-09-18 10:07:04,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:07:04" (1/1) ... [2018-09-18 10:07:04,666 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 10:07:05,149 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 10:07:05,169 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 10:07:05,298 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 10:07:05,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:07:05 WrapperNode [2018-09-18 10:07:05,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 10:07:05,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 10:07:05,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 10:07:05,349 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 10:07:05,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:07:05" (1/1) ... [2018-09-18 10:07:05,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:07:05" (1/1) ... [2018-09-18 10:07:05,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 10:07:05,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 10:07:05,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 10:07:05,462 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 10:07:05,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:07:05" (1/1) ... [2018-09-18 10:07:05,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:07:05" (1/1) ... [2018-09-18 10:07:05,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:07:05" (1/1) ... [2018-09-18 10:07:05,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:07:05" (1/1) ... [2018-09-18 10:07:05,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:07:05" (1/1) ... [2018-09-18 10:07:05,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:07:05" (1/1) ... [2018-09-18 10:07:05,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:07:05" (1/1) ... [2018-09-18 10:07:05,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 10:07:05,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 10:07:05,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 10:07:05,661 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 10:07:05,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:07:05" (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 [2018-09-18 10:07:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 10:07:05,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 10:07:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 10:07:05,749 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 10:07:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 10:07:05,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 10:07:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 10:07:05,750 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 10:07:09,172 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 10:07:09,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:07:09 BoogieIcfgContainer [2018-09-18 10:07:09,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 10:07:09,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 10:07:09,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 10:07:09,183 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 10:07:09,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 10:07:04" (1/3) ... [2018-09-18 10:07:09,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa558c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 10:07:09, skipping insertion in model container [2018-09-18 10:07:09,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:07:05" (2/3) ... [2018-09-18 10:07:09,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa558c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 10:07:09, skipping insertion in model container [2018-09-18 10:07:09,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:07:09" (3/3) ... [2018-09-18 10:07:09,188 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label29_true-unreach-call_false-termination.c [2018-09-18 10:07:09,200 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 10:07:09,213 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 10:07:09,282 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 10:07:09,283 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 10:07:09,283 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 10:07:09,284 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 10:07:09,284 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 10:07:09,284 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 10:07:09,284 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 10:07:09,284 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 10:07:09,285 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 10:07:09,327 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-09-18 10:07:09,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-18 10:07:09,344 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:07:09,345 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:07:09,347 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:07:09,352 INFO L82 PathProgramCache]: Analyzing trace with hash 2096081016, now seen corresponding path program 1 times [2018-09-18 10:07:09,354 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:07:09,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:07:09,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:07:09,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:07:09,403 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:07:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:07:09,979 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 10:07:10,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:07:10,139 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:07:10,140 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 10:07:10,140 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:07:10,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 10:07:10,163 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 10:07:10,164 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 10:07:10,166 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-09-18 10:07:11,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:07:11,882 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-09-18 10:07:11,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 10:07:11,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2018-09-18 10:07:11,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:07:11,904 INFO L225 Difference]: With dead ends: 550 [2018-09-18 10:07:11,904 INFO L226 Difference]: Without dead ends: 340 [2018-09-18 10:07:11,911 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 10:07:11,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-09-18 10:07:11,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-09-18 10:07:11,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-09-18 10:07:11,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 562 transitions. [2018-09-18 10:07:11,990 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 562 transitions. Word has length 108 [2018-09-18 10:07:11,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:07:11,992 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 562 transitions. [2018-09-18 10:07:11,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 10:07:11,992 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 562 transitions. [2018-09-18 10:07:11,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-09-18 10:07:11,998 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:07:11,999 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:07:11,999 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:07:11,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1737414697, now seen corresponding path program 1 times [2018-09-18 10:07:12,000 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:07:12,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:07:12,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:07:12,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:07:12,002 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:07:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:07:12,206 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:07:12,206 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:07:12,206 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 10:07:12,207 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:07:12,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 10:07:12,209 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 10:07:12,209 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 10:07:12,210 INFO L87 Difference]: Start difference. First operand 340 states and 562 transitions. Second operand 6 states. [2018-09-18 10:07:14,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:07:14,327 INFO L93 Difference]: Finished difference Result 888 states and 1491 transitions. [2018-09-18 10:07:14,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 10:07:14,328 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2018-09-18 10:07:14,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:07:14,336 INFO L225 Difference]: With dead ends: 888 [2018-09-18 10:07:14,336 INFO L226 Difference]: Without dead ends: 554 [2018-09-18 10:07:14,344 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 [2018-09-18 10:07:14,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-09-18 10:07:14,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 539. [2018-09-18 10:07:14,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-09-18 10:07:14,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 827 transitions. [2018-09-18 10:07:14,388 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 827 transitions. Word has length 119 [2018-09-18 10:07:14,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:07:14,388 INFO L480 AbstractCegarLoop]: Abstraction has 539 states and 827 transitions. [2018-09-18 10:07:14,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 10:07:14,389 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 827 transitions. [2018-09-18 10:07:14,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-18 10:07:14,394 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:07:14,394 INFO L376 BasicCegarLoop]: trace histogram [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] [2018-09-18 10:07:14,395 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:07:14,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1875739691, now seen corresponding path program 1 times [2018-09-18 10:07:14,395 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:07:14,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:07:14,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:07:14,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:07:14,397 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:07:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:07:14,927 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:07:14,928 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:07:14,928 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 10:07:14,928 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:07:14,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 10:07:14,929 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 10:07:14,930 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:07:14,930 INFO L87 Difference]: Start difference. First operand 539 states and 827 transitions. Second operand 5 states. [2018-09-18 10:07:16,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:07:16,321 INFO L93 Difference]: Finished difference Result 1210 states and 1896 transitions. [2018-09-18 10:07:16,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 10:07:16,321 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2018-09-18 10:07:16,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:07:16,326 INFO L225 Difference]: With dead ends: 1210 [2018-09-18 10:07:16,326 INFO L226 Difference]: Without dead ends: 536 [2018-09-18 10:07:16,329 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:07:16,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2018-09-18 10:07:16,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2018-09-18 10:07:16,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2018-09-18 10:07:16,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 787 transitions. [2018-09-18 10:07:16,351 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 787 transitions. Word has length 120 [2018-09-18 10:07:16,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:07:16,352 INFO L480 AbstractCegarLoop]: Abstraction has 536 states and 787 transitions. [2018-09-18 10:07:16,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 10:07:16,352 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 787 transitions. [2018-09-18 10:07:16,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-09-18 10:07:16,355 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:07:16,355 INFO L376 BasicCegarLoop]: trace histogram [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] [2018-09-18 10:07:16,356 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:07:16,356 INFO L82 PathProgramCache]: Analyzing trace with hash 967812819, now seen corresponding path program 1 times [2018-09-18 10:07:16,356 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:07:16,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:07:16,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:07:16,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:07:16,358 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:07:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:07:17,125 WARN L178 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2018-09-18 10:07:17,240 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:07:17,240 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:07:17,240 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 10:07:17,240 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:07:17,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 10:07:17,241 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 10:07:17,241 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:07:17,242 INFO L87 Difference]: Start difference. First operand 536 states and 787 transitions. Second operand 5 states. [2018-09-18 10:07:19,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:07:19,588 INFO L93 Difference]: Finished difference Result 1204 states and 1799 transitions. [2018-09-18 10:07:19,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 10:07:19,589 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2018-09-18 10:07:19,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:07:19,594 INFO L225 Difference]: With dead ends: 1204 [2018-09-18 10:07:19,594 INFO L226 Difference]: Without dead ends: 535 [2018-09-18 10:07:19,596 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:07:19,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2018-09-18 10:07:19,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 535. [2018-09-18 10:07:19,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2018-09-18 10:07:19,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 782 transitions. [2018-09-18 10:07:19,615 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 782 transitions. Word has length 121 [2018-09-18 10:07:19,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:07:19,616 INFO L480 AbstractCegarLoop]: Abstraction has 535 states and 782 transitions. [2018-09-18 10:07:19,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 10:07:19,616 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 782 transitions. [2018-09-18 10:07:19,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-09-18 10:07:19,619 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:07:19,619 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:07:19,619 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:07:19,620 INFO L82 PathProgramCache]: Analyzing trace with hash -394694497, now seen corresponding path program 1 times [2018-09-18 10:07:19,620 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:07:19,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:07:19,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:07:19,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:07:19,621 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:07:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:07:19,803 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:07:19,805 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:07:19,805 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 10:07:19,806 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:07:19,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 10:07:19,807 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 10:07:19,808 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 10:07:19,809 INFO L87 Difference]: Start difference. First operand 535 states and 782 transitions. Second operand 3 states. [2018-09-18 10:07:20,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:07:20,948 INFO L93 Difference]: Finished difference Result 1522 states and 2300 transitions. [2018-09-18 10:07:20,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 10:07:20,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2018-09-18 10:07:20,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:07:20,964 INFO L225 Difference]: With dead ends: 1522 [2018-09-18 10:07:20,964 INFO L226 Difference]: Without dead ends: 993 [2018-09-18 10:07:20,967 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 [2018-09-18 10:07:20,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2018-09-18 10:07:21,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 993. [2018-09-18 10:07:21,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 993 states. [2018-09-18 10:07:21,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1418 transitions. [2018-09-18 10:07:21,006 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1418 transitions. Word has length 126 [2018-09-18 10:07:21,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:07:21,007 INFO L480 AbstractCegarLoop]: Abstraction has 993 states and 1418 transitions. [2018-09-18 10:07:21,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 10:07:21,007 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1418 transitions. [2018-09-18 10:07:21,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-18 10:07:21,012 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:07:21,012 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:07:21,013 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:07:21,013 INFO L82 PathProgramCache]: Analyzing trace with hash -97847665, now seen corresponding path program 1 times [2018-09-18 10:07:21,013 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:07:21,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:07:21,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:07:21,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:07:21,017 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:07:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:07:21,271 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 10:07:21,603 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:07:21,604 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:07:21,604 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 10:07:21,604 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:07:21,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 10:07:21,604 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 10:07:21,605 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 10:07:21,605 INFO L87 Difference]: Start difference. First operand 993 states and 1418 transitions. Second operand 6 states. [2018-09-18 10:07:23,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:07:23,126 INFO L93 Difference]: Finished difference Result 2917 states and 4405 transitions. [2018-09-18 10:07:23,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 10:07:23,126 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-09-18 10:07:23,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:07:23,141 INFO L225 Difference]: With dead ends: 2917 [2018-09-18 10:07:23,141 INFO L226 Difference]: Without dead ends: 1930 [2018-09-18 10:07:23,148 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 10:07:23,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1930 states. [2018-09-18 10:07:23,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1930 to 1875. [2018-09-18 10:07:23,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1875 states. [2018-09-18 10:07:23,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2525 transitions. [2018-09-18 10:07:23,217 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2525 transitions. Word has length 134 [2018-09-18 10:07:23,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:07:23,218 INFO L480 AbstractCegarLoop]: Abstraction has 1875 states and 2525 transitions. [2018-09-18 10:07:23,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 10:07:23,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2525 transitions. [2018-09-18 10:07:23,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-09-18 10:07:23,226 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:07:23,226 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:07:23,226 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:07:23,227 INFO L82 PathProgramCache]: Analyzing trace with hash -261653377, now seen corresponding path program 1 times [2018-09-18 10:07:23,227 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:07:23,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:07:23,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:07:23,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:07:23,228 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:07:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:07:23,576 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:07:23,576 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:07:23,577 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 [2018-09-18 10:07:23,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:07:23,593 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:07:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:07:23,695 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:07:23,939 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:07:23,939 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:07:24,335 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:07:24,365 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-18 10:07:24,365 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 8 [2018-09-18 10:07:24,365 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:07:24,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 10:07:24,366 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 10:07:24,366 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-09-18 10:07:24,367 INFO L87 Difference]: Start difference. First operand 1875 states and 2525 transitions. Second operand 3 states. [2018-09-18 10:07:26,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:07:26,176 INFO L93 Difference]: Finished difference Result 5507 states and 7599 transitions. [2018-09-18 10:07:26,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 10:07:26,179 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2018-09-18 10:07:26,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:07:26,200 INFO L225 Difference]: With dead ends: 5507 [2018-09-18 10:07:26,200 INFO L226 Difference]: Without dead ends: 3638 [2018-09-18 10:07:26,210 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 284 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-09-18 10:07:26,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3638 states. [2018-09-18 10:07:26,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3638 to 3600. [2018-09-18 10:07:26,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3600 states. [2018-09-18 10:07:26,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 3600 states and 4752 transitions. [2018-09-18 10:07:26,315 INFO L78 Accepts]: Start accepts. Automaton has 3600 states and 4752 transitions. Word has length 142 [2018-09-18 10:07:26,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:07:26,316 INFO L480 AbstractCegarLoop]: Abstraction has 3600 states and 4752 transitions. [2018-09-18 10:07:26,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 10:07:26,316 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 4752 transitions. [2018-09-18 10:07:26,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-09-18 10:07:26,326 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:07:26,326 INFO L376 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:07:26,326 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:07:26,327 INFO L82 PathProgramCache]: Analyzing trace with hash 276654452, now seen corresponding path program 1 times [2018-09-18 10:07:26,327 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:07:26,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:07:26,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:07:26,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:07:26,328 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:07:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:07:26,498 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:07:26,498 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:07:26,498 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 [2018-09-18 10:07:26,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:07:26,507 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:07:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:07:26,592 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:07:26,688 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-09-18 10:07:26,688 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:07:26,862 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-09-18 10:07:26,892 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 10:07:26,892 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 4] total 9 [2018-09-18 10:07:26,893 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:07:26,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-18 10:07:26,894 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-18 10:07:26,894 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-09-18 10:07:26,894 INFO L87 Difference]: Start difference. First operand 3600 states and 4752 transitions. Second operand 4 states. [2018-09-18 10:07:28,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:07:28,168 INFO L93 Difference]: Finished difference Result 10291 states and 13770 transitions. [2018-09-18 10:07:28,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 10:07:28,169 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 144 [2018-09-18 10:07:28,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:07:28,208 INFO L225 Difference]: With dead ends: 10291 [2018-09-18 10:07:28,208 INFO L226 Difference]: Without dead ends: 6697 [2018-09-18 10:07:28,228 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 281 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-09-18 10:07:28,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6697 states. [2018-09-18 10:07:28,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6697 to 6656. [2018-09-18 10:07:28,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6656 states. [2018-09-18 10:07:28,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6656 states to 6656 states and 8475 transitions. [2018-09-18 10:07:28,426 INFO L78 Accepts]: Start accepts. Automaton has 6656 states and 8475 transitions. Word has length 144 [2018-09-18 10:07:28,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:07:28,427 INFO L480 AbstractCegarLoop]: Abstraction has 6656 states and 8475 transitions. [2018-09-18 10:07:28,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-18 10:07:28,427 INFO L276 IsEmpty]: Start isEmpty. Operand 6656 states and 8475 transitions. [2018-09-18 10:07:28,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-09-18 10:07:28,444 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:07:28,444 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:07:28,445 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:07:28,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1547369042, now seen corresponding path program 1 times [2018-09-18 10:07:28,445 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:07:28,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:07:28,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:07:28,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:07:28,447 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:07:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:07:28,980 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-09-18 10:07:29,162 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:07:29,163 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:07:29,163 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 10:07:29,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:07:29,182 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:07:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:07:29,275 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:07:29,519 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 10:07:29,519 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:07:29,735 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 10:07:29,765 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:07:29,765 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 5 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 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 10:07:29,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:07:29,785 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:07:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:07:29,944 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:07:30,122 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 10:07:30,122 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:07:30,467 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 10:07:30,470 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 10:07:30,470 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4, 4, 4] total 13 [2018-09-18 10:07:30,471 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 10:07:30,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-18 10:07:30,472 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-18 10:07:30,472 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-09-18 10:07:30,472 INFO L87 Difference]: Start difference. First operand 6656 states and 8475 transitions. Second operand 8 states. [2018-09-18 10:07:30,980 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-18 10:07:32,817 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-18 10:07:34,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:07:34,891 INFO L93 Difference]: Finished difference Result 16502 states and 21743 transitions. [2018-09-18 10:07:34,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-18 10:07:34,897 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 156 [2018-09-18 10:07:34,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:07:34,953 INFO L225 Difference]: With dead ends: 16502 [2018-09-18 10:07:34,953 INFO L226 Difference]: Without dead ends: 9852 [2018-09-18 10:07:34,981 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 651 GetRequests, 622 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-09-18 10:07:34,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9852 states. [2018-09-18 10:07:35,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9852 to 9416. [2018-09-18 10:07:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9416 states. [2018-09-18 10:07:35,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9416 states to 9416 states and 11761 transitions. [2018-09-18 10:07:35,268 INFO L78 Accepts]: Start accepts. Automaton has 9416 states and 11761 transitions. Word has length 156 [2018-09-18 10:07:35,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:07:35,268 INFO L480 AbstractCegarLoop]: Abstraction has 9416 states and 11761 transitions. [2018-09-18 10:07:35,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-18 10:07:35,271 INFO L276 IsEmpty]: Start isEmpty. Operand 9416 states and 11761 transitions. [2018-09-18 10:07:35,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-09-18 10:07:35,289 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:07:35,289 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-18 10:07:35,289 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:07:35,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1414179639, now seen corresponding path program 1 times [2018-09-18 10:07:35,290 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:07:35,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:07:35,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:07:35,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:07:35,291 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:07:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:07:35,767 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 83 proven. 18 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-09-18 10:07:35,767 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:07:35,767 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 10:07:35,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:07:35,775 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:07:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:07:35,859 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:07:35,914 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-09-18 10:07:35,914 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:07:36,001 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-09-18 10:07:36,022 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:07:36,022 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 7 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 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 10:07:36,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:07:36,039 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:07:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:07:36,224 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:07:36,292 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 77 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-09-18 10:07:36,292 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:07:36,396 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 85 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-09-18 10:07:36,398 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 10:07:36,399 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 6, 5] total 9 [2018-09-18 10:07:36,399 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 10:07:36,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-18 10:07:36,400 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-18 10:07:36,400 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-09-18 10:07:36,400 INFO L87 Difference]: Start difference. First operand 9416 states and 11761 transitions. Second operand 7 states. [2018-09-18 10:07:38,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:07:38,103 INFO L93 Difference]: Finished difference Result 18461 states and 23289 transitions. [2018-09-18 10:07:38,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 10:07:38,108 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 172 [2018-09-18 10:07:38,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:07:38,108 INFO L225 Difference]: With dead ends: 18461 [2018-09-18 10:07:38,109 INFO L226 Difference]: Without dead ends: 0 [2018-09-18 10:07:38,158 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 682 SyntacticMatches, 7 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2018-09-18 10:07:38,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-18 10:07:38,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-18 10:07:38,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-18 10:07:38,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-18 10:07:38,159 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2018-09-18 10:07:38,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:07:38,159 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-18 10:07:38,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-18 10:07:38,160 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-18 10:07:38,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-18 10:07:38,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-18 10:07:38,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:38,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:38,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:38,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:38,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:38,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:38,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:38,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:38,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:38,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:38,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:38,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:38,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:38,764 WARN L178 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 130 [2018-09-18 10:07:38,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:38,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:38,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:38,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:38,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:38,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:38,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:38,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:38,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:39,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:39,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:39,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:39,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:07:39,272 WARN L178 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 130 [2018-09-18 10:07:39,464 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-09-18 10:07:40,286 WARN L178 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2018-09-18 10:07:42,921 WARN L178 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 191 DAG size of output: 67 [2018-09-18 10:07:43,719 WARN L178 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 50 [2018-09-18 10:07:44,526 WARN L178 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 50 [2018-09-18 10:07:44,530 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-18 10:07:44,530 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= |old(~a7~0)| ~a7~0) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|)) [2018-09-18 10:07:44,530 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-18 10:07:44,530 INFO L426 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-09-18 10:07:44,530 INFO L426 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-09-18 10:07:44,531 INFO L426 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,531 INFO L426 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,531 INFO L426 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,531 INFO L426 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,531 INFO L426 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,531 INFO L426 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,531 INFO L426 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-09-18 10:07:44,532 INFO L426 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-09-18 10:07:44,532 INFO L426 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-09-18 10:07:44,532 INFO L426 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-09-18 10:07:44,532 INFO L426 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-09-18 10:07:44,532 INFO L426 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-09-18 10:07:44,532 INFO L426 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-09-18 10:07:44,532 INFO L426 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-09-18 10:07:44,532 INFO L426 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-09-18 10:07:44,532 INFO L426 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-09-18 10:07:44,533 INFO L426 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,533 INFO L426 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,533 INFO L426 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,533 INFO L426 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,533 INFO L426 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,533 INFO L426 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,533 INFO L426 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-09-18 10:07:44,533 INFO L426 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-09-18 10:07:44,534 INFO L426 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-09-18 10:07:44,534 INFO L426 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-09-18 10:07:44,534 INFO L426 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-09-18 10:07:44,534 INFO L426 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-09-18 10:07:44,534 INFO L426 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-09-18 10:07:44,534 INFO L426 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-09-18 10:07:44,534 INFO L426 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-09-18 10:07:44,534 INFO L426 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-09-18 10:07:44,535 INFO L426 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-09-18 10:07:44,535 INFO L426 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-09-18 10:07:44,535 INFO L426 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-09-18 10:07:44,535 INFO L426 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-09-18 10:07:44,535 INFO L426 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-09-18 10:07:44,535 INFO L426 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,535 INFO L426 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,535 INFO L426 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,535 INFO L426 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,536 INFO L426 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,536 INFO L426 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-09-18 10:07:44,536 INFO L426 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-09-18 10:07:44,536 INFO L426 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-09-18 10:07:44,536 INFO L426 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-09-18 10:07:44,536 INFO L426 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-09-18 10:07:44,536 INFO L426 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-09-18 10:07:44,536 INFO L426 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-09-18 10:07:44,536 INFO L426 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-09-18 10:07:44,537 INFO L426 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-09-18 10:07:44,537 INFO L426 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,537 INFO L426 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,537 INFO L426 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,537 INFO L426 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,537 INFO L426 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,537 INFO L426 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-09-18 10:07:44,537 INFO L426 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-09-18 10:07:44,537 INFO L426 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-09-18 10:07:44,537 INFO L426 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-09-18 10:07:44,538 INFO L426 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-09-18 10:07:44,538 INFO L426 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-09-18 10:07:44,538 INFO L426 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-09-18 10:07:44,538 INFO L426 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-09-18 10:07:44,538 INFO L426 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-09-18 10:07:44,538 INFO L426 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-09-18 10:07:44,538 INFO L426 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-09-18 10:07:44,539 INFO L426 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-09-18 10:07:44,539 INFO L426 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-09-18 10:07:44,539 INFO L426 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,539 INFO L426 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,539 INFO L426 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,539 INFO L426 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,539 INFO L426 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,539 INFO L426 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-09-18 10:07:44,539 INFO L426 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-09-18 10:07:44,540 INFO L426 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-09-18 10:07:44,540 INFO L426 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-09-18 10:07:44,540 INFO L426 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-09-18 10:07:44,540 INFO L426 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-09-18 10:07:44,540 INFO L426 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-09-18 10:07:44,540 INFO L426 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-09-18 10:07:44,540 INFO L426 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-09-18 10:07:44,540 INFO L426 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,540 INFO L426 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,541 INFO L426 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,541 INFO L426 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,541 INFO L426 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,541 INFO L426 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,541 INFO L426 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-09-18 10:07:44,541 INFO L426 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,541 INFO L426 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-09-18 10:07:44,541 INFO L426 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-09-18 10:07:44,541 INFO L426 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-09-18 10:07:44,542 INFO L426 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-09-18 10:07:44,542 INFO L426 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-09-18 10:07:44,542 INFO L426 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-09-18 10:07:44,542 INFO L426 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-09-18 10:07:44,542 INFO L426 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-09-18 10:07:44,542 INFO L426 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-09-18 10:07:44,542 INFO L426 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-09-18 10:07:44,542 INFO L426 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-09-18 10:07:44,543 INFO L426 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-09-18 10:07:44,543 INFO L426 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-09-18 10:07:44,543 INFO L426 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,543 INFO L426 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,543 INFO L426 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,543 INFO L426 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,543 INFO L426 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,543 INFO L426 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-09-18 10:07:44,543 INFO L426 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-09-18 10:07:44,544 INFO L426 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-09-18 10:07:44,544 INFO L426 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-09-18 10:07:44,544 INFO L426 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-09-18 10:07:44,544 INFO L426 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-09-18 10:07:44,544 INFO L426 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-09-18 10:07:44,544 INFO L426 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-09-18 10:07:44,544 INFO L426 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,544 INFO L426 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,545 INFO L426 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,545 INFO L426 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,545 INFO L426 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,545 INFO L426 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-09-18 10:07:44,545 INFO L426 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-09-18 10:07:44,545 INFO L426 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-09-18 10:07:44,545 INFO L426 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-09-18 10:07:44,545 INFO L426 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-09-18 10:07:44,546 INFO L426 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-09-18 10:07:44,546 INFO L426 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-09-18 10:07:44,546 INFO L426 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-09-18 10:07:44,546 INFO L426 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-09-18 10:07:44,546 INFO L426 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-09-18 10:07:44,546 INFO L422 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse18 (= 1 |old(~a7~0)|)) (.cse2 (= 13 |old(~a8~0)|)) (.cse19 (= |old(~a8~0)| ~a8~0)) (.cse20 (= ~a17~0 |old(~a17~0)|)) (.cse21 (<= ~a21~0 |old(~a21~0)|)) (.cse22 (= |old(~a7~0)| ~a7~0)) (.cse13 (= |old(~a16~0)| ~a16~0)) (.cse23 (= ~a20~0 |old(~a20~0)|))) (let ((.cse0 (= 6 |old(~a16~0)|)) (.cse1 (and .cse19 .cse20 .cse21 .cse22 .cse13 .cse23)) (.cse8 (not (= 1 |old(~a21~0)|))) (.cse10 (not (= 4 |old(~a16~0)|))) (.cse11 (= 1 ~a20~0)) (.cse12 (= 13 ~a8~0)) (.cse14 (= 1 ~a21~0)) (.cse16 (not .cse2)) (.cse4 (not .cse18)) (.cse5 (< 0 |old(~a17~0)|)) (.cse7 (< 0 |old(~a21~0)|)) (.cse9 (not (= 1 |old(~a20~0)|))) (.cse15 (= 1 ~a17~0)) (.cse3 (not (= 8 ~a12~0))) (.cse6 (< 0 |old(~a7~0)|)) (.cse17 (not (= 1 |old(~a17~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse3 .cse6 .cse1) (or .cse0 .cse3 .cse4 .cse7 .cse1) (or .cse0 .cse1 .cse3 .cse6) (or .cse8 .cse9 .cse10 (and (= 1 ~a7~0) .cse11 .cse12 .cse13 .cse14 .cse15) .cse3 .cse4 .cse16 .cse17) (or .cse8 .cse18 .cse9 .cse10 .cse3 (and (not (= ~a7~0 1)) .cse11 .cse12 .cse13 .cse14 .cse15) .cse16 .cse17) (or .cse9 .cse3 .cse4 .cse5 .cse7 (and .cse13 .cse19 .cse20 .cse21 .cse22 .cse23)) (or .cse9 (and .cse19 .cse21 .cse22 .cse13 .cse23 .cse15) .cse3 .cse6 .cse17)))) [2018-09-18 10:07:44,547 INFO L426 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-09-18 10:07:44,547 INFO L426 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,547 INFO L426 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,547 INFO L426 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,547 INFO L426 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,547 INFO L426 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-09-18 10:07:44,547 INFO L426 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,547 INFO L426 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,547 INFO L426 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-09-18 10:07:44,548 INFO L426 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-09-18 10:07:44,548 INFO L426 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-09-18 10:07:44,548 INFO L426 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-09-18 10:07:44,548 INFO L426 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-09-18 10:07:44,548 INFO L426 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-09-18 10:07:44,548 INFO L426 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-09-18 10:07:44,548 INFO L426 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-09-18 10:07:44,548 INFO L426 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-09-18 10:07:44,548 INFO L426 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-09-18 10:07:44,549 INFO L426 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-09-18 10:07:44,549 INFO L426 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-09-18 10:07:44,549 INFO L426 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,549 INFO L426 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,549 INFO L426 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,549 INFO L426 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,549 INFO L426 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,550 INFO L426 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-09-18 10:07:44,550 INFO L426 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,550 INFO L426 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-09-18 10:07:44,550 INFO L426 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-09-18 10:07:44,550 INFO L426 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-09-18 10:07:44,550 INFO L426 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-09-18 10:07:44,550 INFO L426 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-09-18 10:07:44,550 INFO L426 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-09-18 10:07:44,550 INFO L426 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 479) no Hoare annotation was computed. [2018-09-18 10:07:44,551 INFO L426 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-09-18 10:07:44,551 INFO L426 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-09-18 10:07:44,551 INFO L426 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-09-18 10:07:44,551 INFO L426 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-09-18 10:07:44,551 INFO L426 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-09-18 10:07:44,551 INFO L426 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-09-18 10:07:44,551 INFO L426 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-09-18 10:07:44,551 INFO L426 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-09-18 10:07:44,551 INFO L426 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,551 INFO L426 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,552 INFO L426 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,552 INFO L426 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,552 INFO L426 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,552 INFO L426 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:07:44,552 INFO L426 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-09-18 10:07:44,552 INFO L426 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-09-18 10:07:44,552 INFO L426 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-09-18 10:07:44,552 INFO L426 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-09-18 10:07:44,552 INFO L426 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-09-18 10:07:44,552 INFO L426 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-09-18 10:07:44,553 INFO L426 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-09-18 10:07:44,553 INFO L426 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-09-18 10:07:44,553 INFO L426 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-09-18 10:07:44,553 INFO L426 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-09-18 10:07:44,553 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-18 10:07:44,553 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (not (= ~a16~0 6)) (= ~a12~0 8) (<= ~a7~0 0) (not (= ~a8~0 13)) (not (= ~a16~0 4)) (= 1 ~a17~0)) [2018-09-18 10:07:44,553 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-18 10:07:44,553 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-18 10:07:44,554 INFO L422 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (and (= |old(~a16~0)| ~a16~0) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= |old(~a7~0)| ~a7~0) (= ~a20~0 |old(~a20~0)|)) (= 4 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)) (= 13 |old(~a8~0)|) (not (= 8 ~a12~0)) (< 0 |old(~a7~0)|) (not (= 1 |old(~a17~0)|))) [2018-09-18 10:07:44,554 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-09-18 10:07:44,554 INFO L422 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (not (= ~a16~0 6))) (.cse7 (= 1 ~a17~0)) (.cse4 (not (= ~a8~0 13))) (.cse5 (<= ~a7~0 0)) (.cse0 (= 1 ~a7~0)) (.cse1 (<= ~a21~0 0)) (.cse6 (= 1 ~a20~0)) (.cse3 (<= ~a17~0 0))) (or (and .cse0 .cse1 .cse2) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (and .cse0 .cse2 .cse3 .cse4) (and .cse2 .cse5) (and .cse6 (= 13 ~a8~0) (= 4 ~a16~0) (= 1 ~a21~0) .cse7) (< 0 |old(~a7~0)|) (and .cse6 .cse5 .cse7) (and .cse4 .cse5) (= 6 |old(~a16~0)|) (= 13 |old(~a8~0)|) (not (= 1 |old(~a17~0)|)) (and .cse0 .cse1 .cse6 .cse3) (= 4 |old(~a16~0)|))) [2018-09-18 10:07:44,554 INFO L426 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-09-18 10:07:44,554 INFO L426 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-09-18 10:07:44,554 INFO L426 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-09-18 10:07:44,555 INFO L422 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse2 (not (= ~a16~0 6))) (.cse7 (= 1 ~a17~0)) (.cse4 (not (= ~a8~0 13))) (.cse5 (<= ~a7~0 0)) (.cse0 (= 1 ~a7~0)) (.cse1 (<= ~a21~0 0)) (.cse6 (= 1 ~a20~0)) (.cse3 (<= ~a17~0 0))) (or (and .cse0 .cse1 .cse2) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (and .cse0 .cse2 .cse3 .cse4) (and .cse2 .cse5) (and .cse6 (= 13 ~a8~0) (= 4 ~a16~0) (= 1 ~a21~0) .cse7) (< 0 |old(~a7~0)|) (and .cse6 .cse5 .cse7) (and .cse4 .cse5) (= 6 |old(~a16~0)|) (= 13 |old(~a8~0)|) (not (= 1 |old(~a17~0)|)) (and .cse0 .cse1 .cse6 .cse3) (= 4 |old(~a16~0)|))) [2018-09-18 10:07:44,555 INFO L426 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-09-18 10:07:44,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 10:07:44 BoogieIcfgContainer [2018-09-18 10:07:44,576 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 10:07:44,580 INFO L168 Benchmark]: Toolchain (without parser) took 39940.17 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -759.8 MB). Peak memory consumption was 909.6 MB. Max. memory is 7.1 GB. [2018-09-18 10:07:44,581 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-09-18 10:07:44,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.75 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. [2018-09-18 10:07:44,583 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.59 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. [2018-09-18 10:07:44,583 INFO L168 Benchmark]: Boogie Preprocessor took 198.84 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -841.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2018-09-18 10:07:44,584 INFO L168 Benchmark]: RCFGBuilder took 3514.92 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: 119.8 MB). Peak memory consumption was 119.8 MB. Max. memory is 7.1 GB. [2018-09-18 10:07:44,585 INFO L168 Benchmark]: TraceAbstraction took 35399.38 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 446.7 MB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -91.1 MB). Peak memory consumption was 819.2 MB. Max. memory is 7.1 GB. [2018-09-18 10:07:44,591 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 704.75 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 112.59 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 198.84 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -841.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3514.92 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: 119.8 MB). Peak memory consumption was 119.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 35399.38 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 446.7 MB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -91.1 MB). Peak memory consumption was 819.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 479]: 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 == a7 && a21 <= 0) && !(a16 == 6)) || !(8 == a12)) || !(1 == \old(a20))) || (((1 == a7 && !(a16 == 6)) && a17 <= 0) && !(a8 == 13))) || (!(a16 == 6) && a7 <= 0)) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || 0 < \old(a7)) || ((1 == a20 && a7 <= 0) && 1 == a17)) || (!(a8 == 13) && a7 <= 0)) || 6 == \old(a16)) || 13 == \old(a8)) || !(1 == \old(a17))) || (((1 == a7 && a21 <= 0) && 1 == a20) && a17 <= 0)) || 4 == \old(a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 35.2s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 19.7s AutomataDifference, 0.0s DeadEndRemovalTime, 6.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1125 SDtfs, 5129 SDslu, 908 SDs, 0 SdLazy, 7625 SolverSat, 1358 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1980 GetRequests, 1882 SyntacticMatches, 28 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9416occurred in iteration=9, 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: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 585 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 247 PreInvPairs, 433 NumberOfFragments, 612 HoareAnnotationTreeSize, 247 FomulaSimplifications, 12856 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9363 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 2284 NumberOfCodeBlocks, 2284 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3204 ConstructedInterpolants, 0 QuantifiedInterpolants, 1701256 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2701 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 22 InterpolantComputations, 9 PerfectInterpolantSequences, 952/1105 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_label29_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_10-07-44-608.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label29_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_10-07-44-608.csv Received shutdown request...