java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label51_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 19:08:32,750 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 19:08:32,752 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 19:08:32,766 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 19:08:32,766 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 19:08:32,767 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 19:08:32,769 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 19:08:32,772 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 19:08:32,774 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 19:08:32,774 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 19:08:32,775 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 19:08:32,776 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 19:08:32,777 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 19:08:32,778 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 19:08:32,779 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 19:08:32,780 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 19:08:32,781 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 19:08:32,782 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 19:08:32,784 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 19:08:32,786 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 19:08:32,787 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 19:08:32,788 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 19:08:32,794 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 19:08:32,794 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 19:08:32,795 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 19:08:32,796 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 19:08:32,799 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 19:08:32,800 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 19:08:32,801 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 19:08:32,804 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 19:08:32,806 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 19:08:32,807 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 19:08:32,807 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 19:08:32,807 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 19:08:32,810 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 19:08:32,810 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 19:08:32,811 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 19:08:32,841 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 19:08:32,841 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 19:08:32,843 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 19:08:32,843 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 19:08:32,843 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 19:08:32,844 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 19:08:32,844 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 19:08:32,844 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 19:08:32,844 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 19:08:32,844 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 19:08:32,845 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 19:08:32,845 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 19:08:32,846 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 19:08:32,846 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 19:08:32,846 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 19:08:32,846 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 19:08:32,846 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 19:08:32,847 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 19:08:32,848 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 19:08:32,848 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 19:08:32,848 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 19:08:32,848 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 19:08:32,848 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 19:08:32,848 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 19:08:32,849 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 19:08:32,849 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 19:08:32,849 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 19:08:32,849 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 19:08:32,849 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 19:08:32,850 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 19:08:32,850 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 19:08:32,850 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 19:08:32,850 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 19:08:32,851 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 19:08:32,896 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 19:08:32,908 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 19:08:32,912 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 19:08:32,914 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 19:08:32,915 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 19:08:32,915 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label51_false-unreach-call.c [2018-10-24 19:08:32,982 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d5f359b7e/685655d7f4074e688a151533a2292658/FLAG7b6d85c08 [2018-10-24 19:08:33,859 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 19:08:33,860 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label51_false-unreach-call.c [2018-10-24 19:08:33,907 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d5f359b7e/685655d7f4074e688a151533a2292658/FLAG7b6d85c08 [2018-10-24 19:08:33,926 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d5f359b7e/685655d7f4074e688a151533a2292658 [2018-10-24 19:08:33,940 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 19:08:33,942 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 19:08:33,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 19:08:33,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 19:08:33,950 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 19:08:33,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:08:33" (1/1) ... [2018-10-24 19:08:33,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36832d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:33, skipping insertion in model container [2018-10-24 19:08:33,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:08:33" (1/1) ... [2018-10-24 19:08:33,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 19:08:34,211 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 19:08:36,322 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 19:08:36,327 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 19:08:37,495 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 19:08:37,546 INFO L193 MainTranslator]: Completed translation [2018-10-24 19:08:37,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:37 WrapperNode [2018-10-24 19:08:37,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 19:08:37,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 19:08:37,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 19:08:37,548 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 19:08:37,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:37" (1/1) ... [2018-10-24 19:08:37,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:37" (1/1) ... [2018-10-24 19:08:38,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 19:08:38,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 19:08:38,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 19:08:38,279 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 19:08:38,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:37" (1/1) ... [2018-10-24 19:08:38,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:37" (1/1) ... [2018-10-24 19:08:38,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:37" (1/1) ... [2018-10-24 19:08:38,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:37" (1/1) ... [2018-10-24 19:08:38,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:37" (1/1) ... [2018-10-24 19:08:38,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:37" (1/1) ... [2018-10-24 19:08:38,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:37" (1/1) ... [2018-10-24 19:08:38,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 19:08:38,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 19:08:38,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 19:08:38,802 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 19:08:38,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 19:08:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 19:08:38,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 19:08:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-24 19:08:38,872 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-24 19:08:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-24 19:08:38,873 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-24 19:08:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 19:08:38,873 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 19:08:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 19:08:38,874 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 19:08:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 19:08:38,874 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 19:08:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 19:08:38,876 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 19:08:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 19:08:38,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 19:08:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 19:08:38,876 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 19:08:56,492 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 19:08:56,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:08:56 BoogieIcfgContainer [2018-10-24 19:08:56,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 19:08:56,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 19:08:56,494 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 19:08:56,497 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 19:08:56,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:08:33" (1/3) ... [2018-10-24 19:08:56,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b56c457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:08:56, skipping insertion in model container [2018-10-24 19:08:56,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:37" (2/3) ... [2018-10-24 19:08:56,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b56c457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:08:56, skipping insertion in model container [2018-10-24 19:08:56,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:08:56" (3/3) ... [2018-10-24 19:08:56,501 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label51_false-unreach-call.c [2018-10-24 19:08:56,511 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 19:08:56,523 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 19:08:56,541 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 19:08:56,598 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 19:08:56,598 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 19:08:56,598 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 19:08:56,598 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 19:08:56,598 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 19:08:56,599 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 19:08:56,599 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 19:08:56,599 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 19:08:56,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-24 19:08:56,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-24 19:08:56,687 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:08:56,688 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] [2018-10-24 19:08:56,690 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:08:56,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:08:56,696 INFO L82 PathProgramCache]: Analyzing trace with hash 2076705580, now seen corresponding path program 1 times [2018-10-24 19:08:56,699 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:08:56,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:08:56,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:08:56,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:08:56,750 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:08:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:08:57,096 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 19:08:57,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:08:57,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:08:57,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 19:08:57,209 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:08:57,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 19:08:57,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 19:08:57,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 19:08:57,235 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-10-24 19:09:13,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:09:13,876 INFO L93 Difference]: Finished difference Result 5042 states and 9509 transitions. [2018-10-24 19:09:13,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 19:09:13,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-10-24 19:09:13,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:09:13,939 INFO L225 Difference]: With dead ends: 5042 [2018-10-24 19:09:13,940 INFO L226 Difference]: Without dead ends: 3262 [2018-10-24 19:09:13,957 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 19:09:13,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2018-10-24 19:09:14,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 3214. [2018-10-24 19:09:14,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3214 states. [2018-10-24 19:09:14,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3214 states to 3214 states and 5986 transitions. [2018-10-24 19:09:14,185 INFO L78 Accepts]: Start accepts. Automaton has 3214 states and 5986 transitions. Word has length 24 [2018-10-24 19:09:14,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:09:14,185 INFO L481 AbstractCegarLoop]: Abstraction has 3214 states and 5986 transitions. [2018-10-24 19:09:14,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 19:09:14,186 INFO L276 IsEmpty]: Start isEmpty. Operand 3214 states and 5986 transitions. [2018-10-24 19:09:14,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-24 19:09:14,193 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:09:14,194 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 19:09:14,194 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:09:14,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:09:14,194 INFO L82 PathProgramCache]: Analyzing trace with hash 289258477, now seen corresponding path program 1 times [2018-10-24 19:09:14,195 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:09:14,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:09:14,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:09:14,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:09:14,196 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:09:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:09:14,726 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:09:14,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:09:14,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 19:09:14,727 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:09:14,730 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 19:09:14,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 19:09:14,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-24 19:09:14,731 INFO L87 Difference]: Start difference. First operand 3214 states and 5986 transitions. Second operand 5 states. [2018-10-24 19:09:45,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:09:45,817 INFO L93 Difference]: Finished difference Result 9615 states and 17996 transitions. [2018-10-24 19:09:45,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 19:09:45,818 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2018-10-24 19:09:45,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:09:45,858 INFO L225 Difference]: With dead ends: 9615 [2018-10-24 19:09:45,858 INFO L226 Difference]: Without dead ends: 6407 [2018-10-24 19:09:45,868 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 19:09:45,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6407 states. [2018-10-24 19:09:46,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6407 to 6344. [2018-10-24 19:09:46,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6344 states. [2018-10-24 19:09:46,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6344 states to 6344 states and 10095 transitions. [2018-10-24 19:09:46,059 INFO L78 Accepts]: Start accepts. Automaton has 6344 states and 10095 transitions. Word has length 124 [2018-10-24 19:09:46,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:09:46,060 INFO L481 AbstractCegarLoop]: Abstraction has 6344 states and 10095 transitions. [2018-10-24 19:09:46,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 19:09:46,060 INFO L276 IsEmpty]: Start isEmpty. Operand 6344 states and 10095 transitions. [2018-10-24 19:09:46,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-24 19:09:46,064 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:09:46,064 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 19:09:46,065 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:09:46,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:09:46,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1869399833, now seen corresponding path program 1 times [2018-10-24 19:09:46,065 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:09:46,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:09:46,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:09:46,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:09:46,067 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:09:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:09:46,603 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:09:46,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:09:46,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 19:09:46,603 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:09:46,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 19:09:46,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 19:09:46,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-24 19:09:46,605 INFO L87 Difference]: Start difference. First operand 6344 states and 10095 transitions. Second operand 6 states. [2018-10-24 19:10:07,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:10:07,312 INFO L93 Difference]: Finished difference Result 19047 states and 30623 transitions. [2018-10-24 19:10:07,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 19:10:07,323 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-10-24 19:10:07,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:10:07,388 INFO L225 Difference]: With dead ends: 19047 [2018-10-24 19:10:07,388 INFO L226 Difference]: Without dead ends: 12709 [2018-10-24 19:10:07,412 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-24 19:10:07,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12709 states. [2018-10-24 19:10:07,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12709 to 12475. [2018-10-24 19:10:07,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12475 states. [2018-10-24 19:10:07,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12475 states to 12475 states and 19003 transitions. [2018-10-24 19:10:07,723 INFO L78 Accepts]: Start accepts. Automaton has 12475 states and 19003 transitions. Word has length 134 [2018-10-24 19:10:07,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:10:07,724 INFO L481 AbstractCegarLoop]: Abstraction has 12475 states and 19003 transitions. [2018-10-24 19:10:07,724 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 19:10:07,724 INFO L276 IsEmpty]: Start isEmpty. Operand 12475 states and 19003 transitions. [2018-10-24 19:10:07,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-24 19:10:07,729 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:10:07,730 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 19:10:07,730 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:10:07,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:10:07,730 INFO L82 PathProgramCache]: Analyzing trace with hash -837879114, now seen corresponding path program 1 times [2018-10-24 19:10:07,731 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:10:07,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:10:07,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:10:07,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:10:07,732 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:10:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:10:08,074 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 19:10:08,176 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:10:08,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:10:08,176 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 19:10:08,177 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:10:08,177 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 19:10:08,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 19:10:08,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 19:10:08,178 INFO L87 Difference]: Start difference. First operand 12475 states and 19003 transitions. Second operand 6 states. [2018-10-24 19:10:26,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:10:26,029 INFO L93 Difference]: Finished difference Result 37155 states and 58178 transitions. [2018-10-24 19:10:26,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 19:10:26,042 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 189 [2018-10-24 19:10:26,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:10:26,140 INFO L225 Difference]: With dead ends: 37155 [2018-10-24 19:10:26,140 INFO L226 Difference]: Without dead ends: 24686 [2018-10-24 19:10:26,173 INFO L605 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 [2018-10-24 19:10:26,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24686 states. [2018-10-24 19:10:26,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24686 to 24278. [2018-10-24 19:10:26,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24278 states. [2018-10-24 19:10:26,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24278 states to 24278 states and 36545 transitions. [2018-10-24 19:10:26,663 INFO L78 Accepts]: Start accepts. Automaton has 24278 states and 36545 transitions. Word has length 189 [2018-10-24 19:10:26,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:10:26,663 INFO L481 AbstractCegarLoop]: Abstraction has 24278 states and 36545 transitions. [2018-10-24 19:10:26,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 19:10:26,663 INFO L276 IsEmpty]: Start isEmpty. Operand 24278 states and 36545 transitions. [2018-10-24 19:10:26,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-10-24 19:10:26,667 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:10:26,668 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 19:10:26,668 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:10:26,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:10:26,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1206205716, now seen corresponding path program 1 times [2018-10-24 19:10:26,669 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:10:26,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:10:26,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:10:26,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:10:26,670 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:10:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:10:27,453 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:10:27,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:10:27,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-24 19:10:27,454 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:10:27,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 19:10:27,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 19:10:27,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 19:10:27,456 INFO L87 Difference]: Start difference. First operand 24278 states and 36545 transitions. Second operand 7 states. [2018-10-24 19:11:16,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:11:16,156 INFO L93 Difference]: Finished difference Result 92021 states and 154410 transitions. [2018-10-24 19:11:16,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 19:11:16,156 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 241 [2018-10-24 19:11:16,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:11:16,428 INFO L225 Difference]: With dead ends: 92021 [2018-10-24 19:11:16,429 INFO L226 Difference]: Without dead ends: 67749 [2018-10-24 19:11:16,534 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-24 19:11:16,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67749 states. [2018-10-24 19:11:18,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67749 to 67071. [2018-10-24 19:11:18,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67071 states. [2018-10-24 19:11:18,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67071 states to 67071 states and 97205 transitions. [2018-10-24 19:11:18,278 INFO L78 Accepts]: Start accepts. Automaton has 67071 states and 97205 transitions. Word has length 241 [2018-10-24 19:11:18,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:11:18,278 INFO L481 AbstractCegarLoop]: Abstraction has 67071 states and 97205 transitions. [2018-10-24 19:11:18,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 19:11:18,279 INFO L276 IsEmpty]: Start isEmpty. Operand 67071 states and 97205 transitions. [2018-10-24 19:11:18,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 729 [2018-10-24 19:11:18,305 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:11:18,306 INFO L375 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 19:11:18,306 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:11:18,306 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:11:18,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1233305627, now seen corresponding path program 1 times [2018-10-24 19:11:18,307 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:11:18,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:11:18,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:11:18,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:11:18,308 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:11:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:11:19,635 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 247 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:11:19,636 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 19:11:19,636 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 19:11:19,637 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 729 with the following transitions: [2018-10-24 19:11:19,642 INFO L202 CegarAbsIntRunner]: [0], [1], [4196], [4200], [4204], [4208], [4212], [4216], [4220], [4224], [4228], [4232], [4236], [4240], [4244], [4248], [4252], [4256], [4260], [4264], [4268], [4279], [4290], [4294], [4298], [4309], [4313], [4317], [4321], [4325], [4329], [4333], [4337], [4341], [4345], [4349], [4353], [4357], [4361], [4365], [4369], [4373], [4377], [4381], [4385], [4396], [4400], [4404], [4408], [4412], [4416], [4420], [4431], [4435], [4439], [4443], [4454], [4458], [4462], [4466], [4470], [4474], [4478], [4482], [4486], [4490], [4494], [4498], [4502], [4506], [4510], [4514], [4518], [4522], [4526], [4530], [4534], [4538], [4542], [4553], [4557], [4561], [4565], [4569], [4573], [4577], [4581], [4585], [4589], [4593], [4597], [4601], [4605], [4609], [4620], [4624], [4628], [4632], [4636], [4647], [4651], [4655], [4659], [4663], [4667], [4671], [4675], [4679], [4690], [4694], [4698], [4709], [4713], [4717], [4721], [4725], [4729], [4733], [4737], [4741], [4745], [4749], [4753], [4764], [4768], [4772], [4776], [4780], [4784], [4788], [4792], [4803], [4807], [4811], [4815], [4819], [4823], [4827], [4831], [4835], [4839], [4843], [4847], [4858], [4862], [4873], [4877], [4881], [4885], [4896], [4900], [4904], [4908], [4912], [4916], [4920], [4924], [4935], [4939], [4943], [4954], [4958], [4962], [4966], [4970], [4974], [4978], [4982], [4986], [4990], [4994], [4998], [5002], [5006], [5010], [5014], [5018], [5022], [5026], [5030], [5034], [5038], [5042], [5046], [5050], [5054], [5058], [5062], [5066], [5070], [5074], [5078], [5082], [5086], [5090], [5093], [5226], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5318], [5320], [5323], [5331], [5339], [5347], [5355], [5363], [5371], [5379], [5387], [5395], [5403], [5411], [5419], [5427], [5435], [5443], [5451], [5459], [5467], [5475], [5483], [5491], [5499], [5507], [5515], [5523], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6432], [6437], [6439], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6541], [6545], [6549], [6553], [6557], [6561], [6565], [6569], [6573], [6577], [6581], [6585], [6589], [6593], [6604], [6608], [6619], [6623], [6634], [6645], [6649], [6653], [6657], [6661], [6665], [6669], [6673], [6677], [6681], [6685], [6689], [6693], [6697], [6701], [6712], [6716], [6727], [6731], [6735], [6739], [6743], [6747], [6751], [6755], [6759], [6763], [6767], [6771], [6775], [6779], [6783], [6787], [6791], [6795], [6799], [6801], [6802], [6806], [6810], [6816], [6820], [6822], [6835], [6836], [6837], [6838], [6839], [6841], [6842] [2018-10-24 19:11:19,771 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 19:11:19,771 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 19:11:36,295 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 19:11:36,394 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 19:11:36,396 INFO L272 AbstractInterpreter]: Visited 489 different actions 489 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 19:11:36,435 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:11:36,436 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 19:11:42,467 INFO L232 lantSequenceWeakener]: Weakened 715 states. On average, predicates are now at 75.04% of their original sizes. [2018-10-24 19:11:42,468 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 19:11:43,506 INFO L413 sIntCurrentIteration]: We have 727 unified AI predicates [2018-10-24 19:11:43,506 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 19:11:43,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 19:11:43,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-10-24 19:11:43,508 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:11:43,509 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-24 19:11:43,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-24 19:11:43,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-10-24 19:11:43,510 INFO L87 Difference]: Start difference. First operand 67071 states and 97205 transitions. Second operand 9 states. Received shutdown request... [2018-10-24 19:12:20,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 19:12:20,954 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 19:12:20,960 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 19:12:20,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 07:12:20 BoogieIcfgContainer [2018-10-24 19:12:20,961 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 19:12:20,962 INFO L168 Benchmark]: Toolchain (without parser) took 227021.65 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-10-24 19:12:20,964 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-10-24 19:12:20,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3604.15 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 401.6 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. [2018-10-24 19:12:20,965 INFO L168 Benchmark]: Boogie Procedure Inliner took 730.55 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 876.6 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 117.1 MB. Max. memory is 7.1 GB. [2018-10-24 19:12:20,966 INFO L168 Benchmark]: Boogie Preprocessor took 522.98 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 65.1 MB). Peak memory consumption was 65.1 MB. Max. memory is 7.1 GB. [2018-10-24 19:12:20,967 INFO L168 Benchmark]: RCFGBuilder took 17690.93 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 147.8 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 522.3 MB). Peak memory consumption was 670.2 MB. Max. memory is 7.1 GB. [2018-10-24 19:12:20,968 INFO L168 Benchmark]: TraceAbstraction took 204467.19 ms. Allocated memory was 2.6 GB in the beginning and 4.2 GB in the end (delta: 1.6 GB). Free memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: -832.3 MB). Peak memory consumption was 781.4 MB. Max. memory is 7.1 GB. [2018-10-24 19:12:20,974 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 3604.15 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 401.6 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 730.55 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 876.6 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 117.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 522.98 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 65.1 MB). Peak memory consumption was 65.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17690.93 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 147.8 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 522.3 MB). Peak memory consumption was 670.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 204467.19 ms. Allocated memory was 2.6 GB in the beginning and 4.2 GB in the end (delta: 1.6 GB). Free memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: -832.3 MB). Peak memory consumption was 781.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 67). Cancelled while BasicCegarLoop was constructing difference of abstraction (67071states) and FLOYD_HOARE automaton (currently 9 states, 9 states before enhancement),while ReachableStatesComputation was computing reachable states (6441 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 204.3s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 173.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2705 SDtfs, 30286 SDslu, 3659 SDs, 0 SdLazy, 46456 SolverSat, 11373 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 129.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 773 GetRequests, 734 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67071occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 16.7s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9986202518252035 AbsIntWeakeningRatio, 0.0453920220082531 AbsIntAvgWeakeningVarsNumRemoved, 1073.71939477304 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.9s AutomataMinimizationTime, 5 MinimizatonAttempts, 1431 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1440 NumberOfCodeBlocks, 1440 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1434 ConstructedInterpolants, 0 QuantifiedInterpolants, 2403067 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 315/317 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown