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/Problem18_label32_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 22:56:42,733 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 22:56:42,735 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 22:56:42,755 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 22:56:42,755 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 22:56:42,756 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 22:56:42,759 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 22:56:42,762 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 22:56:42,764 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 22:56:42,766 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 22:56:42,769 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 22:56:42,769 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 22:56:42,770 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 22:56:42,771 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 22:56:42,772 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 22:56:42,776 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 22:56:42,777 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 22:56:42,786 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 22:56:42,791 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 22:56:42,793 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 22:56:42,794 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 22:56:42,797 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 22:56:42,800 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-23 22:56:42,800 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-23 22:56:42,801 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-23 22:56:42,802 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-23 22:56:42,803 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-23 22:56:42,803 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-23 22:56:42,807 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-23 22:56:42,809 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-23 22:56:42,809 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-23 22:56:42,810 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-23 22:56:42,810 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-23 22:56:42,810 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-23 22:56:42,811 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-23 22:56:42,813 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-23 22:56:42,813 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 [2018-10-23 22:56:42,838 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 22:56:42,838 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 22:56:42,839 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 22:56:42,839 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-23 22:56:42,839 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-23 22:56:42,839 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-23 22:56:42,840 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-23 22:56:42,840 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-23 22:56:42,840 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-23 22:56:42,840 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-23 22:56:42,840 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-23 22:56:42,841 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-23 22:56:42,841 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 22:56:42,842 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 22:56:42,842 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 22:56:42,842 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 22:56:42,842 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 22:56:42,842 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 22:56:42,842 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 22:56:42,843 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 22:56:42,843 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 22:56:42,843 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 22:56:42,843 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 22:56:42,843 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 22:56:42,844 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 22:56:42,844 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 22:56:42,844 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 22:56:42,844 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 22:56:42,845 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-23 22:56:42,845 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 22:56:42,845 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 22:56:42,845 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 22:56:42,845 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 22:56:42,845 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-23 22:56:42,889 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 22:56:42,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 22:56:42,906 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 22:56:42,907 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 22:56:42,908 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 22:56:42,908 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label32_false-unreach-call.c [2018-10-23 22:56:42,967 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f859517d0/021b0b0a700e4a2298c24eda5d49a88c/FLAG86fa46589 [2018-10-23 22:56:43,634 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 22:56:43,635 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label32_false-unreach-call.c [2018-10-23 22:56:43,659 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f859517d0/021b0b0a700e4a2298c24eda5d49a88c/FLAG86fa46589 [2018-10-23 22:56:43,675 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f859517d0/021b0b0a700e4a2298c24eda5d49a88c [2018-10-23 22:56:43,687 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 22:56:43,688 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 22:56:43,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 22:56:43,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 22:56:43,694 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 22:56:43,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:56:43" (1/1) ... [2018-10-23 22:56:43,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@389a53d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:56:43, skipping insertion in model container [2018-10-23 22:56:43,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:56:43" (1/1) ... [2018-10-23 22:56:43,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 22:56:43,865 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 22:56:44,944 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 22:56:44,949 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 22:56:45,417 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 22:56:45,448 INFO L193 MainTranslator]: Completed translation [2018-10-23 22:56:45,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:56:45 WrapperNode [2018-10-23 22:56:45,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 22:56:45,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 22:56:45,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 22:56:45,450 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 22:56:45,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:56:45" (1/1) ... [2018-10-23 22:56:45,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:56:45" (1/1) ... [2018-10-23 22:56:45,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 22:56:45,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 22:56:45,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 22:56:45,922 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 22:56:45,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:56:45" (1/1) ... [2018-10-23 22:56:45,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:56:45" (1/1) ... [2018-10-23 22:56:45,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:56:45" (1/1) ... [2018-10-23 22:56:45,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:56:45" (1/1) ... [2018-10-23 22:56:46,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:56:45" (1/1) ... [2018-10-23 22:56:46,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:56:45" (1/1) ... [2018-10-23 22:56:46,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:56:45" (1/1) ... [2018-10-23 22:56:46,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 22:56:46,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 22:56:46,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 22:56:46,185 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 22:56:46,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:56:45" (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 [2018-10-23 22:56:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-23 22:56:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-23 22:56:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-23 22:56:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-23 22:56:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-23 22:56:46,260 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-23 22:56:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-23 22:56:46,260 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-23 22:56:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 22:56:46,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 22:56:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-23 22:56:46,261 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-23 22:56:55,632 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 22:56:55,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:56:55 BoogieIcfgContainer [2018-10-23 22:56:55,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 22:56:55,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 22:56:55,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 22:56:55,641 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 22:56:55,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 10:56:43" (1/3) ... [2018-10-23 22:56:55,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3410d286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:56:55, skipping insertion in model container [2018-10-23 22:56:55,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:56:45" (2/3) ... [2018-10-23 22:56:55,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3410d286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:56:55, skipping insertion in model container [2018-10-23 22:56:55,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:56:55" (3/3) ... [2018-10-23 22:56:55,649 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem18_label32_false-unreach-call.c [2018-10-23 22:56:55,659 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 22:56:55,674 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 22:56:55,693 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 22:56:55,753 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 22:56:55,753 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 22:56:55,753 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 22:56:55,753 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 22:56:55,754 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 22:56:55,754 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 22:56:55,754 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 22:56:55,754 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 22:56:55,796 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states. [2018-10-23 22:56:55,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-23 22:56:55,805 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:56:55,806 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] [2018-10-23 22:56:55,809 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:56:55,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:56:55,817 INFO L82 PathProgramCache]: Analyzing trace with hash 101838135, now seen corresponding path program 1 times [2018-10-23 22:56:55,819 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:56:55,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:56:55,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:56:55,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:56:55,870 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:56:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:56:56,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:56:56,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:56:56,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 22:56:56,311 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:56:56,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 22:56:56,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 22:56:56,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 22:56:56,339 INFO L87 Difference]: Start difference. First operand 775 states. Second operand 4 states. [2018-10-23 22:57:07,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:57:07,221 INFO L93 Difference]: Finished difference Result 2974 states and 5747 transitions. [2018-10-23 22:57:07,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 22:57:07,222 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2018-10-23 22:57:07,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:57:07,275 INFO L225 Difference]: With dead ends: 2974 [2018-10-23 22:57:07,275 INFO L226 Difference]: Without dead ends: 2193 [2018-10-23 22:57:07,286 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 22:57:07,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2193 states. [2018-10-23 22:57:07,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2193 to 2193. [2018-10-23 22:57:07,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2193 states. [2018-10-23 22:57:07,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 2193 states and 3506 transitions. [2018-10-23 22:57:07,487 INFO L78 Accepts]: Start accepts. Automaton has 2193 states and 3506 transitions. Word has length 35 [2018-10-23 22:57:07,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:57:07,489 INFO L481 AbstractCegarLoop]: Abstraction has 2193 states and 3506 transitions. [2018-10-23 22:57:07,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 22:57:07,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 3506 transitions. [2018-10-23 22:57:07,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-23 22:57:07,501 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:57:07,501 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 22:57:07,502 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:57:07,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:57:07,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1911070856, now seen corresponding path program 1 times [2018-10-23 22:57:07,502 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:57:07,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:57:07,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:57:07,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:57:07,504 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:57:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:57:07,921 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:57:07,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:57:07,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-23 22:57:07,922 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:57:07,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 22:57:07,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 22:57:07,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-23 22:57:07,925 INFO L87 Difference]: Start difference. First operand 2193 states and 3506 transitions. Second operand 5 states. [2018-10-23 22:57:16,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:57:16,845 INFO L93 Difference]: Finished difference Result 6600 states and 10738 transitions. [2018-10-23 22:57:16,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 22:57:16,849 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 105 [2018-10-23 22:57:16,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:57:16,883 INFO L225 Difference]: With dead ends: 6600 [2018-10-23 22:57:16,884 INFO L226 Difference]: Without dead ends: 4413 [2018-10-23 22:57:16,892 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-23 22:57:16,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4413 states. [2018-10-23 22:57:17,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4413 to 4378. [2018-10-23 22:57:17,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4378 states. [2018-10-23 22:57:17,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4378 states to 4378 states and 6712 transitions. [2018-10-23 22:57:17,050 INFO L78 Accepts]: Start accepts. Automaton has 4378 states and 6712 transitions. Word has length 105 [2018-10-23 22:57:17,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:57:17,051 INFO L481 AbstractCegarLoop]: Abstraction has 4378 states and 6712 transitions. [2018-10-23 22:57:17,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 22:57:17,052 INFO L276 IsEmpty]: Start isEmpty. Operand 4378 states and 6712 transitions. [2018-10-23 22:57:17,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-23 22:57:17,064 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:57:17,065 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 22:57:17,065 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:57:17,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:57:17,065 INFO L82 PathProgramCache]: Analyzing trace with hash 769572929, now seen corresponding path program 1 times [2018-10-23 22:57:17,066 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:57:17,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:57:17,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:57:17,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:57:17,067 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:57:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:57:17,365 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:57:17,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:57:17,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 22:57:17,366 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:57:17,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 22:57:17,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 22:57:17,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-23 22:57:17,368 INFO L87 Difference]: Start difference. First operand 4378 states and 6712 transitions. Second operand 6 states. [2018-10-23 22:57:23,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:57:23,260 INFO L93 Difference]: Finished difference Result 11002 states and 16943 transitions. [2018-10-23 22:57:23,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 22:57:23,261 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2018-10-23 22:57:23,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:57:23,299 INFO L225 Difference]: With dead ends: 11002 [2018-10-23 22:57:23,299 INFO L226 Difference]: Without dead ends: 6630 [2018-10-23 22:57:23,315 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-23 22:57:23,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6630 states. [2018-10-23 22:57:23,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6630 to 6590. [2018-10-23 22:57:23,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6590 states. [2018-10-23 22:57:23,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6590 states to 6590 states and 8773 transitions. [2018-10-23 22:57:23,486 INFO L78 Accepts]: Start accepts. Automaton has 6590 states and 8773 transitions. Word has length 132 [2018-10-23 22:57:23,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:57:23,486 INFO L481 AbstractCegarLoop]: Abstraction has 6590 states and 8773 transitions. [2018-10-23 22:57:23,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 22:57:23,487 INFO L276 IsEmpty]: Start isEmpty. Operand 6590 states and 8773 transitions. [2018-10-23 22:57:23,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-23 22:57:23,489 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:57:23,489 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 22:57:23,490 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:57:23,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:57:23,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1248929717, now seen corresponding path program 1 times [2018-10-23 22:57:23,490 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:57:23,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:57:23,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:57:23,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:57:23,491 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:57:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:57:23,688 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:57:23,688 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:57:23,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 22:57:23,689 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:57:23,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 22:57:23,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 22:57:23,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 22:57:23,690 INFO L87 Difference]: Start difference. First operand 6590 states and 8773 transitions. Second operand 4 states. [2018-10-23 22:57:30,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:57:30,554 INFO L93 Difference]: Finished difference Result 25999 states and 35669 transitions. [2018-10-23 22:57:30,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 22:57:30,566 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2018-10-23 22:57:30,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:57:30,650 INFO L225 Difference]: With dead ends: 25999 [2018-10-23 22:57:30,651 INFO L226 Difference]: Without dead ends: 19415 [2018-10-23 22:57:30,687 INFO L605 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 [2018-10-23 22:57:30,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19415 states. [2018-10-23 22:57:31,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19415 to 19415. [2018-10-23 22:57:31,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19415 states. [2018-10-23 22:57:31,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19415 states to 19415 states and 24673 transitions. [2018-10-23 22:57:31,141 INFO L78 Accepts]: Start accepts. Automaton has 19415 states and 24673 transitions. Word has length 142 [2018-10-23 22:57:31,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:57:31,142 INFO L481 AbstractCegarLoop]: Abstraction has 19415 states and 24673 transitions. [2018-10-23 22:57:31,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 22:57:31,142 INFO L276 IsEmpty]: Start isEmpty. Operand 19415 states and 24673 transitions. [2018-10-23 22:57:31,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-10-23 22:57:31,156 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:57:31,157 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-23 22:57:31,157 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:57:31,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:57:31,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1598854693, now seen corresponding path program 1 times [2018-10-23 22:57:31,158 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:57:31,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:57:31,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:57:31,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:57:31,159 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:57:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:57:31,970 WARN L179 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-23 22:57:32,267 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2018-10-23 22:57:33,097 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 152 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:57:33,098 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 22:57:33,098 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 22:57:33,099 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 358 with the following transitions: [2018-10-23 22:57:33,102 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], [1803], [1805], [1808], [1816], [1824], [1832], [1840], [1848], [1856], [1864], [1872], [1880], [1888], [1896], [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], [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], [2228], [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], [2732], [2996], [3000], [3004], [3010], [3014], [3016], [3025], [3026], [3027], [3029], [3030] [2018-10-23 22:57:33,211 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 22:57:33,211 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-23 22:57:40,119 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-23 22:57:40,256 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-23 22:57:40,259 INFO L272 AbstractInterpreter]: Visited 229 different actions 229 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-23 22:57:40,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:57:40,271 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-23 22:57:43,550 INFO L232 lantSequenceWeakener]: Weakened 349 states. On average, predicates are now at 77.55% of their original sizes. [2018-10-23 22:57:43,550 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-23 22:57:44,144 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-23 22:57:44,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 22:57:44,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-10-23 22:57:44,145 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:57:44,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-23 22:57:44,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-23 22:57:44,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-23 22:57:44,147 INFO L87 Difference]: Start difference. First operand 19415 states and 24673 transitions. Second operand 8 states. [2018-10-23 22:59:08,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:59:08,700 INFO L93 Difference]: Finished difference Result 39529 states and 50077 transitions. [2018-10-23 22:59:08,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-23 22:59:08,701 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 357 [2018-10-23 22:59:08,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:59:08,763 INFO L225 Difference]: With dead ends: 39529 [2018-10-23 22:59:08,763 INFO L226 Difference]: Without dead ends: 20120 [2018-10-23 22:59:08,811 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 358 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-23 22:59:08,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20120 states. [2018-10-23 22:59:09,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20120 to 20118. [2018-10-23 22:59:09,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20118 states. [2018-10-23 22:59:09,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20118 states to 20118 states and 25388 transitions. [2018-10-23 22:59:09,218 INFO L78 Accepts]: Start accepts. Automaton has 20118 states and 25388 transitions. Word has length 357 [2018-10-23 22:59:09,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:59:09,219 INFO L481 AbstractCegarLoop]: Abstraction has 20118 states and 25388 transitions. [2018-10-23 22:59:09,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-23 22:59:09,219 INFO L276 IsEmpty]: Start isEmpty. Operand 20118 states and 25388 transitions. [2018-10-23 22:59:09,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2018-10-23 22:59:09,233 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:59:09,234 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-23 22:59:09,234 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:59:09,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:59:09,235 INFO L82 PathProgramCache]: Analyzing trace with hash -772566022, now seen corresponding path program 1 times [2018-10-23 22:59:09,235 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:59:09,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:59:09,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:59:09,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:59:09,236 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:59:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:59:09,802 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-23 22:59:10,010 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-23 22:59:10,242 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-23 22:59:10,705 WARN L179 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-10-23 22:59:11,371 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 110 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:59:11,371 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 22:59:11,371 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 22:59:11,372 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 447 with the following transitions: [2018-10-23 22:59:11,372 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], [1803], [1805], [1808], [1816], [1824], [1832], [1840], [1848], [1856], [1864], [1872], [1880], [1888], [1896], [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], [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], [2732], [2996], [3000], [3004], [3010], [3014], [3016], [3025], [3026], [3027], [3029], [3030] [2018-10-23 22:59:11,382 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 22:59:11,383 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-23 22:59:17,455 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-23 22:59:28,021 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-23 22:59:28,021 INFO L272 AbstractInterpreter]: Visited 232 different actions 457 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-23 22:59:28,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:59:28,034 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-23 22:59:34,264 INFO L232 lantSequenceWeakener]: Weakened 212 states. On average, predicates are now at 77.57% of their original sizes. [2018-10-23 22:59:34,268 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-23 23:00:01,638 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-23 23:00:01,639 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 23:00:01,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [11] total 25 [2018-10-23 23:00:01,639 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:00:01,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-23 23:00:01,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-23 23:00:01,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2018-10-23 23:00:01,641 INFO L87 Difference]: Start difference. First operand 20118 states and 25388 transitions. Second operand 16 states. Received shutdown request... [2018-10-23 23:00:20,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-23 23:00:20,979 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-23 23:00:20,985 WARN L205 ceAbstractionStarter]: Timeout [2018-10-23 23:00:20,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 11:00:20 BoogieIcfgContainer [2018-10-23 23:00:20,986 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 23:00:20,987 INFO L168 Benchmark]: Toolchain (without parser) took 217299.42 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 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-23 23:00:20,988 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 23:00:20,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1759.82 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. [2018-10-23 23:00:20,989 INFO L168 Benchmark]: Boogie Procedure Inliner took 471.80 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 792.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -964.5 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. [2018-10-23 23:00:20,990 INFO L168 Benchmark]: Boogie Preprocessor took 262.12 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: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2018-10-23 23:00:20,991 INFO L168 Benchmark]: RCFGBuilder took 9449.57 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: 526.0 MB). Peak memory consumption was 526.0 MB. Max. memory is 7.1 GB. [2018-10-23 23:00:20,992 INFO L168 Benchmark]: TraceAbstraction took 205348.42 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 1.7 GB in the beginning and 2.7 GB in the end (delta: -975.6 MB). Peak memory consumption was 852.6 MB. Max. memory is 7.1 GB. [2018-10-23 23:00:20,997 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1759.82 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 471.80 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 792.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -964.5 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 262.12 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: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9449.57 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: 526.0 MB). Peak memory consumption was 526.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 205348.42 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 1.7 GB in the beginning and 2.7 GB in the end (delta: -975.6 MB). Peak memory consumption was 852.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 93). Cancelled while BasicCegarLoop was constructing difference of abstraction (20118states) and FLOYD_HOARE automaton (currently 9 states, 16 states before enhancement),while ReachableStatesComputation was computing reachable states (68 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 775 locations, 1 error locations. TIMEOUT Result, 205.2s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 136.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1818 SDtfs, 9619 SDslu, 808 SDs, 0 SdLazy, 17791 SolverSat, 5260 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 78.3s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 837 GetRequests, 758 SyntacticMatches, 36 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 28.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20118occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 23.8s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9972679078687872 AbsIntWeakeningRatio, 0.06491885143570537 AbsIntAvgWeakeningVarsNumRemoved, 412.2521847690387 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 77 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1217 NumberOfCodeBlocks, 1217 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1211 ConstructedInterpolants, 0 QuantifiedInterpolants, 4702378 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 346/481 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown