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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem18_label58_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 09:42:25,697 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 09:42:25,699 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 09:42:25,710 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 09:42:25,711 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 09:42:25,712 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 09:42:25,713 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 09:42:25,717 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 09:42:25,719 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 09:42:25,720 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 09:42:25,723 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 09:42:25,723 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 09:42:25,724 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 09:42:25,725 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 09:42:25,727 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 09:42:25,728 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 09:42:25,729 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 09:42:25,731 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 09:42:25,733 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 09:42:25,735 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 09:42:25,736 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 09:42:25,737 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 09:42:25,739 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 09:42:25,739 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 09:42:25,740 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 09:42:25,741 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 09:42:25,742 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 09:42:25,742 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 09:42:25,743 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 09:42:25,744 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 09:42:25,745 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 09:42:25,745 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 09:42:25,746 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 09:42:25,746 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 09:42:25,747 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 09:42:25,748 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 09:42:25,748 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 09:42:25,763 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 09:42:25,764 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 09:42:25,765 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 09:42:25,765 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 09:42:25,765 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 09:42:25,765 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 09:42:25,765 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 09:42:25,766 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 09:42:25,766 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 09:42:25,766 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 09:42:25,766 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 09:42:25,766 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 09:42:25,767 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 09:42:25,767 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 09:42:25,767 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 09:42:25,768 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 09:42:25,768 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 09:42:25,768 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 09:42:25,768 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 09:42:25,768 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 09:42:25,769 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 09:42:25,769 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 09:42:25,769 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 09:42:25,769 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 09:42:25,769 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 09:42:25,769 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 09:42:25,770 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 09:42:25,770 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 09:42:25,770 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 09:42:25,770 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 09:42:25,770 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 09:42:25,771 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 09:42:25,771 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 09:42:25,771 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 09:42:25,771 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 09:42:25,771 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 09:42:25,814 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 09:42:25,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 09:42:25,835 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 09:42:25,837 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 09:42:25,837 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 09:42:25,838 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label58_true-unreach-call.c [2018-11-07 09:42:25,892 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/730d43954/363190d8818c404dac47705c774c5ea3/FLAGccea85e3a [2018-11-07 09:42:26,594 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 09:42:26,595 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label58_true-unreach-call.c [2018-11-07 09:42:26,622 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/730d43954/363190d8818c404dac47705c774c5ea3/FLAGccea85e3a [2018-11-07 09:42:26,642 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/730d43954/363190d8818c404dac47705c774c5ea3 [2018-11-07 09:42:26,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 09:42:26,656 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 09:42:26,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 09:42:26,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 09:42:26,665 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 09:42:26,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:42:26" (1/1) ... [2018-11-07 09:42:26,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3406d078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:26, skipping insertion in model container [2018-11-07 09:42:26,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:42:26" (1/1) ... [2018-11-07 09:42:26,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 09:42:26,806 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 09:42:27,868 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 09:42:27,873 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 09:42:28,409 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 09:42:28,439 INFO L193 MainTranslator]: Completed translation [2018-11-07 09:42:28,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:28 WrapperNode [2018-11-07 09:42:28,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 09:42:28,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 09:42:28,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 09:42:28,442 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 09:42:28,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:28" (1/1) ... [2018-11-07 09:42:28,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:28" (1/1) ... [2018-11-07 09:42:28,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 09:42:28,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 09:42:28,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 09:42:28,724 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 09:42:28,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:28" (1/1) ... [2018-11-07 09:42:28,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:28" (1/1) ... [2018-11-07 09:42:28,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:28" (1/1) ... [2018-11-07 09:42:28,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:28" (1/1) ... [2018-11-07 09:42:28,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:28" (1/1) ... [2018-11-07 09:42:28,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:28" (1/1) ... [2018-11-07 09:42:28,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:28" (1/1) ... [2018-11-07 09:42:28,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 09:42:28,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 09:42:28,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 09:42:28,913 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 09:42:28,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:28" (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 [2018-11-07 09:42:28,981 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 09:42:28,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 09:42:28,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 09:42:28,982 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 09:42:28,982 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 09:42:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 09:42:28,983 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 09:42:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 09:42:28,983 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 09:42:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 09:42:28,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 09:42:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 09:42:28,985 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 09:42:36,321 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 09:42:36,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:42:36 BoogieIcfgContainer [2018-11-07 09:42:36,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 09:42:36,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 09:42:36,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 09:42:36,327 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 09:42:36,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:42:26" (1/3) ... [2018-11-07 09:42:36,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d271efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:42:36, skipping insertion in model container [2018-11-07 09:42:36,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:28" (2/3) ... [2018-11-07 09:42:36,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d271efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:42:36, skipping insertion in model container [2018-11-07 09:42:36,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:42:36" (3/3) ... [2018-11-07 09:42:36,330 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem18_label58_true-unreach-call.c [2018-11-07 09:42:36,340 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 09:42:36,349 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 09:42:36,364 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 09:42:36,409 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 09:42:36,409 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 09:42:36,410 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 09:42:36,410 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 09:42:36,410 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 09:42:36,410 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 09:42:36,410 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 09:42:36,411 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 09:42:36,460 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states. [2018-11-07 09:42:36,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-07 09:42:36,468 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:42:36,469 INFO L375 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] [2018-11-07 09:42:36,472 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:42:36,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:42:36,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1155307225, now seen corresponding path program 1 times [2018-11-07 09:42:36,482 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:42:36,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:42:36,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:42:36,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:42:36,537 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:42:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:42:37,001 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 09:42:37,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 09:42:37,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 09:42:37,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 09:42:37,128 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:42:37,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 09:42:37,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 09:42:37,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 09:42:37,153 INFO L87 Difference]: Start difference. First operand 775 states. Second operand 3 states. [2018-11-07 09:42:43,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:42:43,917 INFO L93 Difference]: Finished difference Result 2251 states and 4322 transitions. [2018-11-07 09:42:43,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 09:42:43,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-07 09:42:43,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:42:43,952 INFO L225 Difference]: With dead ends: 2251 [2018-11-07 09:42:43,952 INFO L226 Difference]: Without dead ends: 1474 [2018-11-07 09:42:43,965 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 [2018-11-07 09:42:43,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2018-11-07 09:42:44,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1474. [2018-11-07 09:42:44,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1474 states. [2018-11-07 09:42:44,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 2721 transitions. [2018-11-07 09:42:44,120 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 2721 transitions. Word has length 47 [2018-11-07 09:42:44,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:42:44,121 INFO L480 AbstractCegarLoop]: Abstraction has 1474 states and 2721 transitions. [2018-11-07 09:42:44,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 09:42:44,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 2721 transitions. [2018-11-07 09:42:44,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-07 09:42:44,138 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:42:44,138 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 09:42:44,139 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:42:44,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:42:44,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1285233055, now seen corresponding path program 1 times [2018-11-07 09:42:44,140 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:42:44,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:42:44,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:42:44,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:42:44,143 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:42:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:42:44,539 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 09:42:44,539 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 09:42:44,539 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 09:42:44,539 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:42:44,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 09:42:44,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 09:42:44,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 09:42:44,542 INFO L87 Difference]: Start difference. First operand 1474 states and 2721 transitions. Second operand 6 states. [2018-11-07 09:42:53,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:42:53,422 INFO L93 Difference]: Finished difference Result 4419 states and 8244 transitions. [2018-11-07 09:42:53,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 09:42:53,424 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-11-07 09:42:53,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:42:53,450 INFO L225 Difference]: With dead ends: 4419 [2018-11-07 09:42:53,451 INFO L226 Difference]: Without dead ends: 2951 [2018-11-07 09:42:53,456 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 [2018-11-07 09:42:53,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2951 states. [2018-11-07 09:42:53,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2951 to 2928. [2018-11-07 09:42:53,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2928 states. [2018-11-07 09:42:53,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2928 states and 5087 transitions. [2018-11-07 09:42:53,575 INFO L78 Accepts]: Start accepts. Automaton has 2928 states and 5087 transitions. Word has length 136 [2018-11-07 09:42:53,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:42:53,575 INFO L480 AbstractCegarLoop]: Abstraction has 2928 states and 5087 transitions. [2018-11-07 09:42:53,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 09:42:53,576 INFO L276 IsEmpty]: Start isEmpty. Operand 2928 states and 5087 transitions. [2018-11-07 09:42:53,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-07 09:42:53,588 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:42:53,588 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 09:42:53,589 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:42:53,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:42:53,589 INFO L82 PathProgramCache]: Analyzing trace with hash 330900828, now seen corresponding path program 1 times [2018-11-07 09:42:53,589 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:42:53,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:42:53,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:42:53,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:42:53,595 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:42:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:42:53,950 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 09:42:53,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 09:42:53,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 09:42:53,951 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:42:53,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 09:42:53,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 09:42:53,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 09:42:53,952 INFO L87 Difference]: Start difference. First operand 2928 states and 5087 transitions. Second operand 6 states. [2018-11-07 09:43:02,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:43:02,421 INFO L93 Difference]: Finished difference Result 10194 states and 17948 transitions. [2018-11-07 09:43:02,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 09:43:02,422 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 183 [2018-11-07 09:43:02,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:43:02,477 INFO L225 Difference]: With dead ends: 10194 [2018-11-07 09:43:02,477 INFO L226 Difference]: Without dead ends: 7272 [2018-11-07 09:43:02,494 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 [2018-11-07 09:43:02,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7272 states. [2018-11-07 09:43:02,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7272 to 7208. [2018-11-07 09:43:02,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7208 states. [2018-11-07 09:43:02,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7208 states to 7208 states and 11881 transitions. [2018-11-07 09:43:02,737 INFO L78 Accepts]: Start accepts. Automaton has 7208 states and 11881 transitions. Word has length 183 [2018-11-07 09:43:02,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:43:02,738 INFO L480 AbstractCegarLoop]: Abstraction has 7208 states and 11881 transitions. [2018-11-07 09:43:02,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 09:43:02,738 INFO L276 IsEmpty]: Start isEmpty. Operand 7208 states and 11881 transitions. [2018-11-07 09:43:02,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-07 09:43:02,743 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:43:02,743 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 09:43:02,743 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:43:02,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:43:02,744 INFO L82 PathProgramCache]: Analyzing trace with hash 2489344, now seen corresponding path program 1 times [2018-11-07 09:43:02,744 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:43:02,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:43:02,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:43:02,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:43:02,749 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:43:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:43:03,066 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 09:43:03,177 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 09:43:03,178 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 09:43:03,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 09:43:03,178 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:43:03,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 09:43:03,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 09:43:03,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 09:43:03,180 INFO L87 Difference]: Start difference. First operand 7208 states and 11881 transitions. Second operand 6 states. [2018-11-07 09:43:08,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:43:08,379 INFO L93 Difference]: Finished difference Result 17365 states and 29107 transitions. [2018-11-07 09:43:08,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 09:43:08,380 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 185 [2018-11-07 09:43:08,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:43:08,432 INFO L225 Difference]: With dead ends: 17365 [2018-11-07 09:43:08,433 INFO L226 Difference]: Without dead ends: 10163 [2018-11-07 09:43:08,458 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 [2018-11-07 09:43:08,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10163 states. [2018-11-07 09:43:08,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10163 to 10108. [2018-11-07 09:43:08,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10108 states. [2018-11-07 09:43:08,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10108 states to 10108 states and 14258 transitions. [2018-11-07 09:43:08,680 INFO L78 Accepts]: Start accepts. Automaton has 10108 states and 14258 transitions. Word has length 185 [2018-11-07 09:43:08,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:43:08,681 INFO L480 AbstractCegarLoop]: Abstraction has 10108 states and 14258 transitions. [2018-11-07 09:43:08,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 09:43:08,681 INFO L276 IsEmpty]: Start isEmpty. Operand 10108 states and 14258 transitions. [2018-11-07 09:43:08,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-07 09:43:08,688 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:43:08,689 INFO L375 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 09:43:08,689 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:43:08,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:43:08,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1317304803, now seen corresponding path program 1 times [2018-11-07 09:43:08,690 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:43:08,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:43:08,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:43:08,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:43:08,691 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:43:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:43:08,928 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-11-07 09:43:08,928 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 09:43:08,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 09:43:08,928 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:43:08,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 09:43:08,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 09:43:08,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 09:43:08,930 INFO L87 Difference]: Start difference. First operand 10108 states and 14258 transitions. Second operand 4 states. [2018-11-07 09:43:16,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:43:16,212 INFO L93 Difference]: Finished difference Result 28819 states and 41884 transitions. [2018-11-07 09:43:16,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 09:43:16,222 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 243 [2018-11-07 09:43:16,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:43:16,288 INFO L225 Difference]: With dead ends: 28819 [2018-11-07 09:43:16,288 INFO L226 Difference]: Without dead ends: 18717 [2018-11-07 09:43:16,335 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 09:43:16,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18717 states. [2018-11-07 09:43:16,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18717 to 18717. [2018-11-07 09:43:16,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18717 states. [2018-11-07 09:43:16,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18717 states to 18717 states and 26000 transitions. [2018-11-07 09:43:16,699 INFO L78 Accepts]: Start accepts. Automaton has 18717 states and 26000 transitions. Word has length 243 [2018-11-07 09:43:16,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:43:16,700 INFO L480 AbstractCegarLoop]: Abstraction has 18717 states and 26000 transitions. [2018-11-07 09:43:16,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 09:43:16,700 INFO L276 IsEmpty]: Start isEmpty. Operand 18717 states and 26000 transitions. [2018-11-07 09:43:16,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-11-07 09:43:16,736 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:43:16,736 INFO L375 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 09:43:16,737 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:43:16,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:43:16,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1070733005, now seen corresponding path program 1 times [2018-11-07 09:43:16,737 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:43:16,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:43:16,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:43:16,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:43:16,738 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:43:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:43:17,031 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 09:43:17,206 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 80 proven. 67 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 09:43:17,206 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 09:43:17,206 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 09:43:17,207 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 398 with the following transitions: [2018-11-07 09:43:17,210 INFO L202 CegarAbsIntRunner]: [0], [1], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1847], [1855], [1863], [1871], [1879], [1887], [1895], [1899], [1901], [1904], [1912], [1920], [1928], [1936], [1944], [1952], [1960], [1968], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2124], [2125], [2129], [2133], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2681], [2685], [2689], [2693], [2697], [2701], [2705], [2709], [2713], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2825], [2829], [2833], [2837], [2841], [2845], [2849], [2853], [2857], [2861], [2865], [2869], [2873], [2877], [2881], [2885], [2889], [2893], [2897], [2901], [2905], [2909], [2913], [2917], [2921], [2925], [2929], [2933], [2937], [2941], [2945], [2948], [2996], [3000], [3004], [3010], [3014], [3016], [3025], [3026], [3027], [3029], [3030] [2018-11-07 09:43:17,273 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 09:43:17,273 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 09:43:18,131 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 09:43:18,135 INFO L272 AbstractInterpreter]: Visited 283 different actions 283 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-11-07 09:43:18,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:43:18,178 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 09:43:19,054 INFO L227 lantSequenceWeakener]: Weakened 388 states. On average, predicates are now at 77.63% of their original sizes. [2018-11-07 09:43:19,055 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 09:43:19,316 INFO L415 sIntCurrentIteration]: We unified 396 AI predicates to 396 [2018-11-07 09:43:19,317 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 09:43:19,318 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 09:43:19,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-11-07 09:43:19,318 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:43:19,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 09:43:19,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 09:43:19,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 09:43:19,321 INFO L87 Difference]: Start difference. First operand 18717 states and 26000 transitions. Second operand 6 states. [2018-11-07 09:44:28,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:44:28,120 INFO L93 Difference]: Finished difference Result 38133 states and 52855 transitions. [2018-11-07 09:44:28,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-07 09:44:28,121 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 397 [2018-11-07 09:44:28,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:44:28,179 INFO L225 Difference]: With dead ends: 38133 [2018-11-07 09:44:28,179 INFO L226 Difference]: Without dead ends: 19422 [2018-11-07 09:44:28,218 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 397 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-07 09:44:28,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19422 states. [2018-11-07 09:44:28,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19422 to 19420. [2018-11-07 09:44:28,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19420 states. [2018-11-07 09:44:28,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19420 states to 19420 states and 26715 transitions. [2018-11-07 09:44:28,561 INFO L78 Accepts]: Start accepts. Automaton has 19420 states and 26715 transitions. Word has length 397 [2018-11-07 09:44:28,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:44:28,563 INFO L480 AbstractCegarLoop]: Abstraction has 19420 states and 26715 transitions. [2018-11-07 09:44:28,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 09:44:28,563 INFO L276 IsEmpty]: Start isEmpty. Operand 19420 states and 26715 transitions. [2018-11-07 09:44:28,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2018-11-07 09:44:28,604 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:44:28,605 INFO L375 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 09:44:28,606 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:44:28,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:44:28,606 INFO L82 PathProgramCache]: Analyzing trace with hash 951138347, now seen corresponding path program 1 times [2018-11-07 09:44:28,606 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:44:28,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:44:28,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:44:28,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:44:28,608 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:44:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:44:29,175 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 09:44:29,382 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 09:44:29,602 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 09:44:30,027 WARN L179 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-07 09:44:30,524 WARN L179 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-11-07 09:44:30,958 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 179 proven. 267 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 09:44:30,958 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 09:44:30,958 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 09:44:30,959 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 585 with the following transitions: [2018-11-07 09:44:30,960 INFO L202 CegarAbsIntRunner]: [0], [1], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1847], [1855], [1863], [1871], [1879], [1887], [1895], [1899], [1901], [1904], [1912], [1920], [1928], [1936], [1944], [1952], [1960], [1968], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2124], [2125], [2129], [2133], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2584], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2681], [2685], [2689], [2693], [2697], [2701], [2705], [2709], [2713], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2825], [2829], [2833], [2837], [2841], [2845], [2849], [2853], [2857], [2861], [2865], [2869], [2873], [2877], [2881], [2885], [2889], [2893], [2897], [2901], [2905], [2909], [2913], [2917], [2921], [2925], [2929], [2933], [2937], [2941], [2945], [2948], [2996], [3000], [3004], [3010], [3014], [3016], [3025], [3026], [3027], [3029], [3030] [2018-11-07 09:44:30,972 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 09:44:30,973 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 09:44:31,233 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 09:44:31,233 INFO L272 AbstractInterpreter]: Visited 287 different actions 567 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 09:44:31,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:44:31,240 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 09:44:31,779 INFO L227 lantSequenceWeakener]: Weakened 581 states. On average, predicates are now at 77.56% of their original sizes. [2018-11-07 09:44:31,780 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 09:44:32,111 INFO L415 sIntCurrentIteration]: We unified 583 AI predicates to 583 [2018-11-07 09:44:32,111 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 09:44:32,111 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 09:44:32,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2018-11-07 09:44:32,112 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:44:32,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 09:44:32,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 09:44:32,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 09:44:32,113 INFO L87 Difference]: Start difference. First operand 19420 states and 26715 transitions. Second operand 10 states. [2018-11-07 09:46:08,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:46:08,130 INFO L93 Difference]: Finished difference Result 40247 states and 55227 transitions. [2018-11-07 09:46:08,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-07 09:46:08,130 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 584 [2018-11-07 09:46:08,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:46:08,197 INFO L225 Difference]: With dead ends: 40247 [2018-11-07 09:46:08,197 INFO L226 Difference]: Without dead ends: 21536 [2018-11-07 09:46:08,238 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 592 GetRequests, 575 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-07 09:46:08,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21536 states. [2018-11-07 09:46:08,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21536 to 21531. [2018-11-07 09:46:08,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21531 states. [2018-11-07 09:46:08,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21531 states to 21531 states and 28863 transitions. [2018-11-07 09:46:08,597 INFO L78 Accepts]: Start accepts. Automaton has 21531 states and 28863 transitions. Word has length 584 [2018-11-07 09:46:08,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:46:08,598 INFO L480 AbstractCegarLoop]: Abstraction has 21531 states and 28863 transitions. [2018-11-07 09:46:08,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 09:46:08,598 INFO L276 IsEmpty]: Start isEmpty. Operand 21531 states and 28863 transitions. [2018-11-07 09:46:08,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1234 [2018-11-07 09:46:08,685 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:46:08,686 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 09:46:08,687 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:46:08,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:46:08,687 INFO L82 PathProgramCache]: Analyzing trace with hash -524330205, now seen corresponding path program 1 times [2018-11-07 09:46:08,687 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:46:08,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:46:08,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:46:08,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:46:08,689 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:46:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:46:09,605 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-07 09:46:09,979 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-07 09:46:11,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 172 proven. 993 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-07 09:46:11,952 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 09:46:11,952 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 09:46:11,952 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1234 with the following transitions: [2018-11-07 09:46:11,953 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [37], [739], [740], [744], [748], [752], [756], [760], [764], [768], [772], [776], [780], [784], [788], [792], [795], [796], [800], [804], [808], [812], [816], [820], [824], [828], [832], [836], [840], [844], [848], [852], [856], [860], [864], [868], [872], [876], [880], [884], [888], [892], [896], [900], [904], [908], [912], [916], [920], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [964], [968], [972], [976], [980], [984], [988], [992], [996], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1360], [1364], [1368], [1372], [1376], [1380], [1384], [1388], [1392], [1396], [1400], [1404], [1408], [1412], [1416], [1420], [1424], [1428], [1432], [1436], [1440], [1444], [1448], [1452], [1456], [1460], [1464], [1468], [1472], [1476], [1480], [1484], [1488], [1492], [1496], [1500], [1504], [1508], [1512], [1516], [1520], [1524], [1528], [1532], [1536], [1540], [1544], [1548], [1552], [1556], [1560], [1564], [1568], [1572], [1576], [1580], [1584], [1588], [1592], [1596], [1600], [1604], [1608], [1612], [1616], [1620], [1622], [1623], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1847], [1855], [1863], [1871], [1879], [1887], [1895], [1899], [1901], [1904], [1912], [1920], [1928], [1936], [1944], [1952], [1960], [1968], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2124], [2125], [2129], [2133], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2681], [2685], [2689], [2693], [2697], [2701], [2705], [2709], [2713], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2825], [2829], [2833], [2837], [2841], [2845], [2849], [2853], [2857], [2861], [2865], [2869], [2873], [2877], [2881], [2885], [2889], [2893], [2897], [2901], [2905], [2909], [2913], [2917], [2921], [2925], [2929], [2933], [2937], [2941], [2945], [2948], [2949], [2953], [2957], [2961], [2965], [2969], [2973], [2977], [2981], [2985], [2989], [2993], [2995], [2996], [3000], [3004], [3010], [3014], [3016], [3021], [3022], [3023], [3024], [3025], [3026], [3027], [3029], [3030] [2018-11-07 09:46:11,964 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 09:46:11,964 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 09:46:13,042 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 09:46:13,043 INFO L272 AbstractInterpreter]: Visited 538 different actions 1619 times. Merged at 10 different actions 27 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-07 09:46:13,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:46:13,047 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 09:46:13,915 INFO L227 lantSequenceWeakener]: Weakened 1230 states. On average, predicates are now at 80.17% of their original sizes. [2018-11-07 09:46:13,916 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 09:46:14,093 INFO L415 sIntCurrentIteration]: We unified 1232 AI predicates to 1232 [2018-11-07 09:46:14,094 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 09:46:14,094 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 09:46:14,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [9] total 24 [2018-11-07 09:46:14,094 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:46:14,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-07 09:46:14,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-07 09:46:14,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-11-07 09:46:14,096 INFO L87 Difference]: Start difference. First operand 21531 states and 28863 transitions. Second operand 17 states. Received shutdown request... [2018-11-07 09:46:20,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-07 09:46:20,723 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 09:46:20,730 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 09:46:20,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:46:20 BoogieIcfgContainer [2018-11-07 09:46:20,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 09:46:20,731 INFO L168 Benchmark]: Toolchain (without parser) took 234076.21 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -623.7 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-11-07 09:46:20,732 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-11-07 09:46:20,733 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1783.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 148.0 MB). Peak memory consumption was 148.0 MB. Max. memory is 7.1 GB. [2018-11-07 09:46:20,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 281.65 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 771.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -961.1 MB). Peak memory consumption was 42.2 MB. Max. memory is 7.1 GB. [2018-11-07 09:46:20,734 INFO L168 Benchmark]: Boogie Preprocessor took 189.34 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2018-11-07 09:46:20,735 INFO L168 Benchmark]: RCFGBuilder took 7409.43 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 514.9 MB). Peak memory consumption was 514.9 MB. Max. memory is 7.1 GB. [2018-11-07 09:46:20,736 INFO L168 Benchmark]: TraceAbstraction took 224407.08 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 1.7 GB in the beginning and 2.0 GB in the end (delta: -339.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-11-07 09:46:20,741 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 1783.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 148.0 MB). Peak memory consumption was 148.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 281.65 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 771.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -961.1 MB). Peak memory consumption was 42.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 189.34 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7409.43 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 514.9 MB). Peak memory consumption was 514.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 224407.08 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 1.7 GB in the beginning and 2.0 GB in the end (delta: -339.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 129]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 129). Cancelled while BasicCegarLoop was constructing difference of abstraction (21531states) and FLOYD_HOARE automaton (currently 6 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (295 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 775 locations, 1 error locations. TIMEOUT Result, 224.3s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 208.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2261 SDtfs, 16044 SDslu, 1205 SDs, 0 SdLazy, 29421 SolverSat, 6958 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 161.0s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 2264 GetRequests, 2195 SyntacticMatches, 5 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21531occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.3s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9984027637736941 AbsIntWeakeningRatio, 0.048846675712347354 AbsIntAvgWeakeningVarsNumRemoved, 16.139755766621438 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 7 MinimizatonAttempts, 149 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 3008 NumberOfCodeBlocks, 3008 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 3000 ConstructedInterpolants, 0 QuantifiedInterpolants, 8946640 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 805/2132 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown