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/Problem13_label18_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 17:30:49,495 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 17:30:49,497 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 17:30:49,514 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 17:30:49,515 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 17:30:49,516 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 17:30:49,519 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 17:30:49,522 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 17:30:49,523 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 17:30:49,525 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 17:30:49,526 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 17:30:49,526 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 17:30:49,528 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 17:30:49,529 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 17:30:49,537 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 17:30:49,538 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 17:30:49,539 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 17:30:49,542 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 17:30:49,546 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 17:30:49,548 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 17:30:49,552 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 17:30:49,554 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 17:30:49,556 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-14 17:30:49,556 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-14 17:30:49,556 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-14 17:30:49,560 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-14 17:30:49,562 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-14 17:30:49,563 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-14 17:30:49,563 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-14 17:30:49,564 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-14 17:30:49,565 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-14 17:30:49,565 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-14 17:30:49,565 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 17:30:49,566 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 17:30:49,567 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 17:30:49,567 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 17:30:49,568 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-14 17:30:49,593 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 17:30:49,593 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 17:30:49,594 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 17:30:49,594 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 17:30:49,594 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 17:30:49,597 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 17:30:49,597 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 17:30:49,597 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 17:30:49,597 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 17:30:49,598 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 17:30:49,598 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 17:30:49,598 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 17:30:49,599 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 17:30:49,599 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 17:30:49,599 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 17:30:49,599 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 17:30:49,600 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 17:30:49,601 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 17:30:49,601 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 17:30:49,601 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 17:30:49,601 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 17:30:49,602 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 17:30:49,602 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 17:30:49,602 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 17:30:49,602 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 17:30:49,602 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 17:30:49,603 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 17:30:49,603 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 17:30:49,603 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 17:30:49,603 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 17:30:49,604 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 17:30:49,604 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 17:30:49,604 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 17:30:49,659 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 17:30:49,674 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 17:30:49,680 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 17:30:49,681 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 17:30:49,682 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 17:30:49,682 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label18_true-unreach-call.c [2018-09-14 17:30:50,019 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0257fa157/4131caf94c0f447fb53c42a04661558a/FLAGa6bb3e585 [2018-09-14 17:30:50,479 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 17:30:50,480 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label18_true-unreach-call.c [2018-09-14 17:30:50,511 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0257fa157/4131caf94c0f447fb53c42a04661558a/FLAGa6bb3e585 [2018-09-14 17:30:50,527 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0257fa157/4131caf94c0f447fb53c42a04661558a [2018-09-14 17:30:50,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 17:30:50,542 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 17:30:50,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 17:30:50,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 17:30:50,550 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 17:30:50,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 05:30:50" (1/1) ... [2018-09-14 17:30:50,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc8f34b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:30:50, skipping insertion in model container [2018-09-14 17:30:50,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 05:30:50" (1/1) ... [2018-09-14 17:30:50,568 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 17:30:52,302 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 17:30:52,321 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 17:30:53,031 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 17:30:53,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:30:53 WrapperNode [2018-09-14 17:30:53,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 17:30:53,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 17:30:53,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 17:30:53,417 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 17:30:53,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:30:53" (1/1) ... [2018-09-14 17:30:53,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:30:53" (1/1) ... [2018-09-14 17:30:53,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 17:30:53,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 17:30:53,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 17:30:53,716 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 17:30:54,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:30:53" (1/1) ... [2018-09-14 17:30:54,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:30:53" (1/1) ... [2018-09-14 17:30:54,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:30:53" (1/1) ... [2018-09-14 17:30:54,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:30:53" (1/1) ... [2018-09-14 17:30:54,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:30:53" (1/1) ... [2018-09-14 17:30:54,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:30:53" (1/1) ... [2018-09-14 17:30:54,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:30:53" (1/1) ... [2018-09-14 17:30:54,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 17:30:54,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 17:30:54,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 17:30:54,945 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 17:30:54,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:30:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 17:30:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 17:30:55,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 17:30:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-14 17:30:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-14 17:30:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-14 17:30:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-14 17:30:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-14 17:30:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-14 17:30:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-14 17:30:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-14 17:30:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 17:30:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 17:30:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 17:30:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 17:31:05,719 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 17:31:05,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 05:31:05 BoogieIcfgContainer [2018-09-14 17:31:05,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 17:31:05,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 17:31:05,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 17:31:05,724 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 17:31:05,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 05:30:50" (1/3) ... [2018-09-14 17:31:05,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38de2c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 05:31:05, skipping insertion in model container [2018-09-14 17:31:05,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:30:53" (2/3) ... [2018-09-14 17:31:05,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38de2c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 05:31:05, skipping insertion in model container [2018-09-14 17:31:05,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 05:31:05" (3/3) ... [2018-09-14 17:31:05,728 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label18_true-unreach-call.c [2018-09-14 17:31:05,738 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 17:31:05,748 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 17:31:05,822 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 17:31:05,823 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 17:31:05,823 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 17:31:05,824 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 17:31:05,824 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 17:31:05,824 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 17:31:05,824 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 17:31:05,824 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 17:31:05,824 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 17:31:05,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-09-14 17:31:05,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-14 17:31:05,879 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:31:05,880 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] [2018-09-14 17:31:05,882 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:31:05,888 INFO L82 PathProgramCache]: Analyzing trace with hash -856257052, now seen corresponding path program 1 times [2018-09-14 17:31:05,891 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:31:05,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:31:05,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:31:05,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:31:05,938 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:31:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:31:06,412 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 17:31:06,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:31:06,579 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:31:06,580 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 17:31:06,580 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:31:06,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 17:31:06,603 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 17:31:06,604 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 17:31:06,607 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-09-14 17:31:15,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:31:15,231 INFO L93 Difference]: Finished difference Result 3097 states and 5707 transitions. [2018-09-14 17:31:15,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 17:31:15,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-09-14 17:31:15,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:31:15,273 INFO L225 Difference]: With dead ends: 3097 [2018-09-14 17:31:15,273 INFO L226 Difference]: Without dead ends: 1975 [2018-09-14 17:31:15,284 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 17:31:15,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2018-09-14 17:31:15,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1974. [2018-09-14 17:31:15,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1974 states. [2018-09-14 17:31:15,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 3284 transitions. [2018-09-14 17:31:15,468 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 3284 transitions. Word has length 70 [2018-09-14 17:31:15,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:31:15,469 INFO L480 AbstractCegarLoop]: Abstraction has 1974 states and 3284 transitions. [2018-09-14 17:31:15,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 17:31:15,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 3284 transitions. [2018-09-14 17:31:15,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-09-14 17:31:15,491 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:31:15,491 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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-14 17:31:15,492 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:31:15,492 INFO L82 PathProgramCache]: Analyzing trace with hash -410471564, now seen corresponding path program 1 times [2018-09-14 17:31:15,492 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:31:15,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:31:15,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:31:15,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:31:15,494 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:31:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:31:15,979 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:31:15,979 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:31:15,980 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-14 17:31:15,980 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:31:15,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 17:31:15,982 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 17:31:15,982 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-14 17:31:15,983 INFO L87 Difference]: Start difference. First operand 1974 states and 3284 transitions. Second operand 5 states. [2018-09-14 17:31:36,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:31:36,249 INFO L93 Difference]: Finished difference Result 5736 states and 9691 transitions. [2018-09-14 17:31:36,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 17:31:36,252 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2018-09-14 17:31:36,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:31:36,286 INFO L225 Difference]: With dead ends: 5736 [2018-09-14 17:31:36,286 INFO L226 Difference]: Without dead ends: 3768 [2018-09-14 17:31:36,296 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-14 17:31:36,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3768 states. [2018-09-14 17:31:36,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3768 to 3686. [2018-09-14 17:31:36,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3686 states. [2018-09-14 17:31:36,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3686 states to 3686 states and 5660 transitions. [2018-09-14 17:31:36,530 INFO L78 Accepts]: Start accepts. Automaton has 3686 states and 5660 transitions. Word has length 146 [2018-09-14 17:31:36,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:31:36,531 INFO L480 AbstractCegarLoop]: Abstraction has 3686 states and 5660 transitions. [2018-09-14 17:31:36,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 17:31:36,531 INFO L276 IsEmpty]: Start isEmpty. Operand 3686 states and 5660 transitions. [2018-09-14 17:31:36,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-09-14 17:31:36,544 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:31:36,544 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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-14 17:31:36,544 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:31:36,546 INFO L82 PathProgramCache]: Analyzing trace with hash 586688088, now seen corresponding path program 1 times [2018-09-14 17:31:36,546 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:31:36,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:31:36,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:31:36,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:31:36,547 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:31:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:31:36,799 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:31:36,799 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:31:36,799 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-14 17:31:36,800 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:31:36,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 17:31:36,801 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 17:31:36,801 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-14 17:31:36,801 INFO L87 Difference]: Start difference. First operand 3686 states and 5660 transitions. Second operand 5 states. [2018-09-14 17:32:06,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:32:06,177 INFO L93 Difference]: Finished difference Result 13665 states and 21764 transitions. [2018-09-14 17:32:06,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 17:32:06,178 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2018-09-14 17:32:06,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:32:06,233 INFO L225 Difference]: With dead ends: 13665 [2018-09-14 17:32:06,233 INFO L226 Difference]: Without dead ends: 9985 [2018-09-14 17:32:06,259 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-14 17:32:06,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9985 states. [2018-09-14 17:32:06,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9985 to 9795. [2018-09-14 17:32:06,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9795 states. [2018-09-14 17:32:06,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9795 states to 9795 states and 14504 transitions. [2018-09-14 17:32:06,554 INFO L78 Accepts]: Start accepts. Automaton has 9795 states and 14504 transitions. Word has length 160 [2018-09-14 17:32:06,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:32:06,555 INFO L480 AbstractCegarLoop]: Abstraction has 9795 states and 14504 transitions. [2018-09-14 17:32:06,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 17:32:06,555 INFO L276 IsEmpty]: Start isEmpty. Operand 9795 states and 14504 transitions. [2018-09-14 17:32:06,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-09-14 17:32:06,563 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:32:06,564 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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-14 17:32:06,564 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:32:06,564 INFO L82 PathProgramCache]: Analyzing trace with hash 154081844, now seen corresponding path program 1 times [2018-09-14 17:32:06,565 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:32:06,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:32:06,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:32:06,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:32:06,566 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:32:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:32:06,906 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 17:32:07,012 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:32:07,012 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:32:07,013 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 17:32:07,013 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:32:07,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 17:32:07,014 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 17:32:07,014 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 17:32:07,014 INFO L87 Difference]: Start difference. First operand 9795 states and 14504 transitions. Second operand 6 states. [2018-09-14 17:32:22,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:32:22,032 INFO L93 Difference]: Finished difference Result 34191 states and 53816 transitions. [2018-09-14 17:32:22,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 17:32:22,035 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 178 [2018-09-14 17:32:22,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:32:22,152 INFO L225 Difference]: With dead ends: 34191 [2018-09-14 17:32:22,152 INFO L226 Difference]: Without dead ends: 24402 [2018-09-14 17:32:22,224 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 17:32:22,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24402 states. [2018-09-14 17:32:22,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24402 to 24169. [2018-09-14 17:32:22,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24169 states. [2018-09-14 17:32:23,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24169 states to 24169 states and 34075 transitions. [2018-09-14 17:32:23,029 INFO L78 Accepts]: Start accepts. Automaton has 24169 states and 34075 transitions. Word has length 178 [2018-09-14 17:32:23,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:32:23,030 INFO L480 AbstractCegarLoop]: Abstraction has 24169 states and 34075 transitions. [2018-09-14 17:32:23,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 17:32:23,030 INFO L276 IsEmpty]: Start isEmpty. Operand 24169 states and 34075 transitions. [2018-09-14 17:32:23,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-09-14 17:32:23,038 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:32:23,038 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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-14 17:32:23,038 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:32:23,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1234851793, now seen corresponding path program 1 times [2018-09-14 17:32:23,039 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:32:23,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:32:23,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:32:23,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:32:23,040 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:32:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:32:23,317 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 17:32:23,471 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:32:23,471 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:32:23,471 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 17:32:23,471 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:32:23,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 17:32:23,472 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 17:32:23,472 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 17:32:23,473 INFO L87 Difference]: Start difference. First operand 24169 states and 34075 transitions. Second operand 6 states. [2018-09-14 17:32:33,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:32:33,435 INFO L93 Difference]: Finished difference Result 62337 states and 97863 transitions. [2018-09-14 17:32:33,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 17:32:33,436 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 189 [2018-09-14 17:32:33,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:32:33,625 INFO L225 Difference]: With dead ends: 62337 [2018-09-14 17:32:33,626 INFO L226 Difference]: Without dead ends: 38174 [2018-09-14 17:32:33,702 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 17:32:33,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38174 states. [2018-09-14 17:32:34,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38174 to 37977. [2018-09-14 17:32:34,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37977 states. [2018-09-14 17:32:34,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37977 states to 37977 states and 54437 transitions. [2018-09-14 17:32:34,833 INFO L78 Accepts]: Start accepts. Automaton has 37977 states and 54437 transitions. Word has length 189 [2018-09-14 17:32:34,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:32:34,834 INFO L480 AbstractCegarLoop]: Abstraction has 37977 states and 54437 transitions. [2018-09-14 17:32:34,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 17:32:34,834 INFO L276 IsEmpty]: Start isEmpty. Operand 37977 states and 54437 transitions. [2018-09-14 17:32:34,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-09-14 17:32:34,844 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:32:34,845 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:32:34,845 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:32:34,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1204068448, now seen corresponding path program 1 times [2018-09-14 17:32:34,846 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:32:34,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:32:34,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:32:34,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:32:34,847 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:32:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:32:35,171 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 17:32:35,573 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:32:35,573 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:32:35,574 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 17:32:35,574 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:32:35,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 17:32:35,575 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 17:32:35,575 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 17:32:35,576 INFO L87 Difference]: Start difference. First operand 37977 states and 54437 transitions. Second operand 6 states. [2018-09-14 17:32:44,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:32:44,979 INFO L93 Difference]: Finished difference Result 83932 states and 123833 transitions. [2018-09-14 17:32:44,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 17:32:44,980 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 217 [2018-09-14 17:32:44,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:32:45,151 INFO L225 Difference]: With dead ends: 83932 [2018-09-14 17:32:45,151 INFO L226 Difference]: Without dead ends: 45961 [2018-09-14 17:32:45,238 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 17:32:45,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45961 states. [2018-09-14 17:32:46,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45961 to 45859. [2018-09-14 17:32:46,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45859 states. [2018-09-14 17:32:46,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45859 states to 45859 states and 62659 transitions. [2018-09-14 17:32:46,095 INFO L78 Accepts]: Start accepts. Automaton has 45859 states and 62659 transitions. Word has length 217 [2018-09-14 17:32:46,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:32:46,096 INFO L480 AbstractCegarLoop]: Abstraction has 45859 states and 62659 transitions. [2018-09-14 17:32:46,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 17:32:46,096 INFO L276 IsEmpty]: Start isEmpty. Operand 45859 states and 62659 transitions. [2018-09-14 17:32:46,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-09-14 17:32:46,114 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:32:46,114 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:32:46,114 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:32:46,115 INFO L82 PathProgramCache]: Analyzing trace with hash 171861938, now seen corresponding path program 1 times [2018-09-14 17:32:46,115 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:32:46,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:32:46,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:32:46,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:32:46,116 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:32:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:32:46,688 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 200 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:32:46,689 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:32:46,689 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:32:46,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:32:46,709 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:32:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:32:46,862 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:32:47,132 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-09-14 17:32:47,133 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:32:47,478 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 126 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-09-14 17:32:47,501 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-14 17:32:47,502 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 3] total 8 [2018-09-14 17:32:47,502 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:32:47,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 17:32:47,506 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 17:32:47,506 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-09-14 17:32:47,507 INFO L87 Difference]: Start difference. First operand 45859 states and 62659 transitions. Second operand 3 states. [2018-09-14 17:32:57,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:32:57,197 INFO L93 Difference]: Finished difference Result 113613 states and 159825 transitions. [2018-09-14 17:32:57,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 17:32:57,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 267 [2018-09-14 17:32:57,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:32:57,559 INFO L225 Difference]: With dead ends: 113613 [2018-09-14 17:32:57,559 INFO L226 Difference]: Without dead ends: 67760 [2018-09-14 17:32:57,710 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 533 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-09-14 17:32:57,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67760 states. [2018-09-14 17:32:59,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67760 to 66250. [2018-09-14 17:32:59,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66250 states. [2018-09-14 17:32:59,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66250 states to 66250 states and 86885 transitions. [2018-09-14 17:32:59,200 INFO L78 Accepts]: Start accepts. Automaton has 66250 states and 86885 transitions. Word has length 267 [2018-09-14 17:32:59,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:32:59,200 INFO L480 AbstractCegarLoop]: Abstraction has 66250 states and 86885 transitions. [2018-09-14 17:32:59,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 17:32:59,200 INFO L276 IsEmpty]: Start isEmpty. Operand 66250 states and 86885 transitions. [2018-09-14 17:32:59,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-09-14 17:32:59,218 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:32:59,218 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:32:59,218 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:32:59,219 INFO L82 PathProgramCache]: Analyzing trace with hash -518596448, now seen corresponding path program 1 times [2018-09-14 17:32:59,219 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:32:59,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:32:59,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:32:59,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:32:59,220 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:32:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:32:59,821 WARN L178 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 10 [2018-09-14 17:33:00,169 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-14 17:33:00,391 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 126 proven. 89 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 17:33:00,391 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:33:00,391 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:33:00,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:33:00,400 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:33:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:33:00,489 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:33:00,880 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-09-14 17:33:00,881 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:33:02,337 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 126 proven. 89 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 17:33:02,368 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-14 17:33:02,369 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 11 [2018-09-14 17:33:02,369 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:33:02,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 17:33:02,370 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 17:33:02,370 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-14 17:33:02,370 INFO L87 Difference]: Start difference. First operand 66250 states and 86885 transitions. Second operand 5 states. [2018-09-14 17:33:18,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:33:18,521 INFO L93 Difference]: Finished difference Result 139408 states and 185661 transitions. [2018-09-14 17:33:18,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 17:33:18,523 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 272 [2018-09-14 17:33:18,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:33:18,768 INFO L225 Difference]: With dead ends: 139408 [2018-09-14 17:33:18,769 INFO L226 Difference]: Without dead ends: 72359 [2018-09-14 17:33:18,926 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 539 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2018-09-14 17:33:18,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72359 states. [2018-09-14 17:33:20,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72359 to 69938. [2018-09-14 17:33:20,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69938 states. [2018-09-14 17:33:20,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69938 states to 69938 states and 92272 transitions. [2018-09-14 17:33:20,875 INFO L78 Accepts]: Start accepts. Automaton has 69938 states and 92272 transitions. Word has length 272 [2018-09-14 17:33:20,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:33:20,875 INFO L480 AbstractCegarLoop]: Abstraction has 69938 states and 92272 transitions. [2018-09-14 17:33:20,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 17:33:20,876 INFO L276 IsEmpty]: Start isEmpty. Operand 69938 states and 92272 transitions. [2018-09-14 17:33:20,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-09-14 17:33:20,901 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:33:20,901 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2018-09-14 17:33:20,901 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:33:20,902 INFO L82 PathProgramCache]: Analyzing trace with hash 149022908, now seen corresponding path program 1 times [2018-09-14 17:33:20,902 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:33:20,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:33:20,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:33:20,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:33:20,903 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:33:20,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:33:21,256 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 342 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-09-14 17:33:21,256 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:33:21,256 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 [2018-09-14 17:33:21,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:33:21,264 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:33:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:33:21,362 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:33:21,739 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 282 proven. 2 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-09-14 17:33:21,739 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:33:22,414 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 199 proven. 238 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 17:33:22,434 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:33:22,434 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 [2018-09-14 17:33:22,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:33:22,456 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:33:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:33:22,685 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:33:22,889 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2018-09-14 17:33:22,889 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:33:23,731 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2018-09-14 17:33:23,733 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 3 imperfect interpolant sequences. [2018-09-14 17:33:23,734 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6, 7, 8] total 18 [2018-09-14 17:33:23,734 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:33:23,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 17:33:23,736 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 17:33:23,737 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2018-09-14 17:33:23,737 INFO L87 Difference]: Start difference. First operand 69938 states and 92272 transitions. Second operand 3 states. [2018-09-14 17:33:29,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:33:29,840 INFO L93 Difference]: Finished difference Result 168343 states and 228372 transitions. [2018-09-14 17:33:29,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 17:33:29,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 353 [2018-09-14 17:33:29,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:33:30,170 INFO L225 Difference]: With dead ends: 168343 [2018-09-14 17:33:30,170 INFO L226 Difference]: Without dead ends: 94246 [2018-09-14 17:33:30,423 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1416 GetRequests, 1399 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2018-09-14 17:33:30,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94246 states. [2018-09-14 17:33:33,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94246 to 93903. [2018-09-14 17:33:33,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93903 states. [2018-09-14 17:33:33,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93903 states to 93903 states and 121407 transitions. [2018-09-14 17:33:33,291 INFO L78 Accepts]: Start accepts. Automaton has 93903 states and 121407 transitions. Word has length 353 [2018-09-14 17:33:33,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:33:33,292 INFO L480 AbstractCegarLoop]: Abstraction has 93903 states and 121407 transitions. [2018-09-14 17:33:33,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 17:33:33,292 INFO L276 IsEmpty]: Start isEmpty. Operand 93903 states and 121407 transitions. [2018-09-14 17:33:33,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-09-14 17:33:33,312 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:33:33,312 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-14 17:33:33,312 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:33:33,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1465609836, now seen corresponding path program 1 times [2018-09-14 17:33:33,313 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:33:33,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:33:33,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:33:33,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:33:33,314 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:33:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:33:33,873 WARN L178 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 8 [2018-09-14 17:33:34,351 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 195 proven. 191 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-09-14 17:33:34,351 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:33:34,351 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 [2018-09-14 17:33:34,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:33:34,360 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:33:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:33:34,477 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:33:34,845 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 412 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-09-14 17:33:34,846 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:33:35,434 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:33:35,988 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 195 proven. 278 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 17:33:36,009 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:33:36,009 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 [2018-09-14 17:33:36,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:33:36,024 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:33:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:33:36,296 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:33:36,768 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 412 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-09-14 17:33:36,768 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:33:37,294 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:33:39,461 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 195 proven. 278 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 17:33:39,463 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 17:33:39,463 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 8] total 26 [2018-09-14 17:33:39,464 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 17:33:39,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-14 17:33:39,464 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-14 17:33:39,465 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=517, Unknown=0, NotChecked=0, Total=650 [2018-09-14 17:33:39,465 INFO L87 Difference]: Start difference. First operand 93903 states and 121407 transitions. Second operand 14 states. Received shutdown request... [2018-09-14 17:34:44,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-09-14 17:34:44,335 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-14 17:34:44,341 WARN L206 ceAbstractionStarter]: Timeout [2018-09-14 17:34:44,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 05:34:44 BoogieIcfgContainer [2018-09-14 17:34:44,341 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 17:34:44,342 INFO L168 Benchmark]: Toolchain (without parser) took 233802.30 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 967.1 MB. Max. memory is 7.1 GB. [2018-09-14 17:34:44,343 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. [2018-09-14 17:34:44,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2873.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 348.8 MB). Peak memory consumption was 348.8 MB. Max. memory is 7.1 GB. [2018-09-14 17:34:44,344 INFO L168 Benchmark]: Boogie Procedure Inliner took 298.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. [2018-09-14 17:34:44,345 INFO L168 Benchmark]: Boogie Preprocessor took 1228.80 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 999.3 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. [2018-09-14 17:34:44,346 INFO L168 Benchmark]: RCFGBuilder took 10775.21 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 165.2 MB). Free memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: -23.6 MB). Peak memory consumption was 751.5 MB. Max. memory is 7.1 GB. [2018-09-14 17:34:44,347 INFO L168 Benchmark]: TraceAbstraction took 218620.24 ms. Allocated memory was 2.7 GB in the beginning and 3.8 GB in the end (delta: 1.1 GB). Free memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: -311.5 MB). Peak memory consumption was 757.0 MB. Max. memory is 7.1 GB. [2018-09-14 17:34:44,352 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 2873.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 348.8 MB). Peak memory consumption was 348.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 298.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1228.80 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 999.3 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10775.21 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 165.2 MB). Free memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: -23.6 MB). Peak memory consumption was 751.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 218620.24 ms. Allocated memory was 2.7 GB in the beginning and 3.8 GB in the end (delta: 1.1 GB). Free memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: -311.5 MB). Peak memory consumption was 757.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 201]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 201). Cancelled while BasicCegarLoop was constructing difference of abstraction (93903states) and FLOYD_HOARE automaton (currently 67 states, 14 states before enhancement), while ReachableStatesComputation was computing reachable states (136462 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 218.5s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 191.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7199 SDtfs, 34827 SDslu, 5744 SDs, 0 SdLazy, 79189 SolverSat, 13050 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 162.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4176 GetRequests, 4003 SyntacticMatches, 24 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2514 ImplicationChecksByTransitivity, 8.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93903occurred 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: 9.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 5079 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 13.9s InterpolantComputationTime, 4216 NumberOfCodeBlocks, 4216 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 6185 ConstructedInterpolants, 333 QuantifiedInterpolants, 10125700 SizeOfPredicates, 16 NumberOfNonLiveVariables, 3480 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 22 InterpolantComputations, 10 PerfectInterpolantSequences, 5006/6181 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label18_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_17-34-44-374.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label18_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_17-34-44-374.csv Completed graceful shutdown