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/Problem03_label52_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:46:57,517 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:46:57,520 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:46:57,536 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:46:57,536 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:46:57,538 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:46:57,539 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:46:57,541 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:46:57,543 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:46:57,543 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:46:57,544 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:46:57,545 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:46:57,546 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:46:57,547 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:46:57,548 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:46:57,549 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:46:57,550 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:46:57,552 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:46:57,554 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:46:57,556 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:46:57,557 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:46:57,559 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:46:57,561 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:46:57,562 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:46:57,562 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:46:57,567 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:46:57,568 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:46:57,572 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:46:57,574 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:46:57,575 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:46:57,575 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:46:57,576 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:46:57,576 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:46:57,576 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:46:57,577 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:46:57,581 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:46:57,582 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 [2018-10-26 22:46:57,618 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:46:57,619 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:46:57,620 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:46:57,620 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:46:57,620 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:46:57,620 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:46:57,621 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 22:46:57,621 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:46:57,621 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-26 22:46:57,621 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 22:46:57,621 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 22:46:57,623 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:46:57,624 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:46:57,624 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:46:57,624 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:46:57,625 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:46:57,627 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:46:57,627 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:46:57,627 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:46:57,627 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:46:57,628 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:46:57,628 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:46:57,628 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:46:57,628 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:46:57,629 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:46:57,629 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:46:57,629 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:46:57,629 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:46:57,629 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 22:46:57,630 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:46:57,630 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:46:57,631 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:46:57,631 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 22:46:57,631 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-26 22:46:57,701 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:46:57,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:46:57,730 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:46:57,732 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:46:57,733 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:46:57,734 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label52_false-unreach-call.c [2018-10-26 22:46:57,810 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/41de96377/aae00596e88548dfa2c4c11bea3c4a5c/FLAGcbe1df8fe [2018-10-26 22:46:58,520 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:46:58,521 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label52_false-unreach-call.c [2018-10-26 22:46:58,545 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/41de96377/aae00596e88548dfa2c4c11bea3c4a5c/FLAGcbe1df8fe [2018-10-26 22:46:58,568 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/41de96377/aae00596e88548dfa2c4c11bea3c4a5c [2018-10-26 22:46:58,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:46:58,589 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 22:46:58,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:46:58,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:46:58,596 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:46:58,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:46:58" (1/1) ... [2018-10-26 22:46:58,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b2da8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:46:58, skipping insertion in model container [2018-10-26 22:46:58,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:46:58" (1/1) ... [2018-10-26 22:46:58,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:46:58,724 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:46:59,498 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:46:59,504 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:46:59,737 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:46:59,763 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:46:59,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:46:59 WrapperNode [2018-10-26 22:46:59,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:46:59,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:46:59,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:46:59,766 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:46:59,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:46:59" (1/1) ... [2018-10-26 22:46:59,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:46:59" (1/1) ... [2018-10-26 22:47:00,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:47:00,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:47:00,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:47:00,126 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:47:00,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:46:59" (1/1) ... [2018-10-26 22:47:00,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:46:59" (1/1) ... [2018-10-26 22:47:00,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:46:59" (1/1) ... [2018-10-26 22:47:00,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:46:59" (1/1) ... [2018-10-26 22:47:00,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:46:59" (1/1) ... [2018-10-26 22:47:00,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:46:59" (1/1) ... [2018-10-26 22:47:00,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:46:59" (1/1) ... [2018-10-26 22:47:00,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:47:00,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:47:00,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:47:00,282 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:47:00,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:46:59" (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 [2018-10-26 22:47:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:47:00,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:47:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-26 22:47:00,369 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-26 22:47:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:47:00,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:47:00,370 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:47:00,370 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:47:05,617 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:47:05,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:47:05 BoogieIcfgContainer [2018-10-26 22:47:05,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:47:05,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:47:05,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:47:05,624 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:47:05,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:46:58" (1/3) ... [2018-10-26 22:47:05,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a58c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:47:05, skipping insertion in model container [2018-10-26 22:47:05,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:46:59" (2/3) ... [2018-10-26 22:47:05,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a58c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:47:05, skipping insertion in model container [2018-10-26 22:47:05,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:47:05" (3/3) ... [2018-10-26 22:47:05,629 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label52_false-unreach-call.c [2018-10-26 22:47:05,638 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:47:05,648 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:47:05,667 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:47:05,709 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:47:05,709 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:47:05,709 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:47:05,710 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:47:05,710 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:47:05,710 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:47:05,710 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:47:05,710 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:47:05,745 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2018-10-26 22:47:05,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 22:47:05,762 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:47:05,764 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:47:05,766 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:47:05,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:47:05,773 INFO L82 PathProgramCache]: Analyzing trace with hash 132642340, now seen corresponding path program 1 times [2018-10-26 22:47:05,776 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:47:05,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:47:05,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:47:05,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:47:05,832 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:47:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:47:06,678 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-26 22:47:06,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:47:06,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:47:06,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:47:06,863 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:47:06,871 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:47:06,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:47:06,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:47:06,894 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 3 states. [2018-10-26 22:47:09,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:47:09,092 INFO L93 Difference]: Finished difference Result 848 states and 1491 transitions. [2018-10-26 22:47:09,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:47:09,097 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2018-10-26 22:47:09,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:47:09,120 INFO L225 Difference]: With dead ends: 848 [2018-10-26 22:47:09,120 INFO L226 Difference]: Without dead ends: 534 [2018-10-26 22:47:09,129 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 [2018-10-26 22:47:09,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2018-10-26 22:47:09,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 532. [2018-10-26 22:47:09,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 532 states. [2018-10-26 22:47:09,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 867 transitions. [2018-10-26 22:47:09,230 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 867 transitions. Word has length 153 [2018-10-26 22:47:09,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:47:09,231 INFO L481 AbstractCegarLoop]: Abstraction has 532 states and 867 transitions. [2018-10-26 22:47:09,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:47:09,232 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 867 transitions. [2018-10-26 22:47:09,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-26 22:47:09,239 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:47:09,239 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:47:09,240 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:47:09,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:47:09,240 INFO L82 PathProgramCache]: Analyzing trace with hash 962373920, now seen corresponding path program 1 times [2018-10-26 22:47:09,241 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:47:09,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:47:09,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:47:09,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:47:09,243 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:47:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:47:09,675 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:47:09,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:47:09,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:47:09,676 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:47:09,678 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:47:09,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:47:09,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:47:09,681 INFO L87 Difference]: Start difference. First operand 532 states and 867 transitions. Second operand 3 states. [2018-10-26 22:47:11,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:47:11,832 INFO L93 Difference]: Finished difference Result 1494 states and 2513 transitions. [2018-10-26 22:47:11,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:47:11,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2018-10-26 22:47:11,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:47:11,843 INFO L225 Difference]: With dead ends: 1494 [2018-10-26 22:47:11,843 INFO L226 Difference]: Without dead ends: 968 [2018-10-26 22:47:11,848 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:47:11,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2018-10-26 22:47:11,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 952. [2018-10-26 22:47:11,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 952 states. [2018-10-26 22:47:11,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1529 transitions. [2018-10-26 22:47:11,916 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1529 transitions. Word has length 166 [2018-10-26 22:47:11,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:47:11,917 INFO L481 AbstractCegarLoop]: Abstraction has 952 states and 1529 transitions. [2018-10-26 22:47:11,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:47:11,917 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1529 transitions. [2018-10-26 22:47:11,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-26 22:47:11,924 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:47:11,925 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2018-10-26 22:47:11,925 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:47:11,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:47:11,926 INFO L82 PathProgramCache]: Analyzing trace with hash 766647040, now seen corresponding path program 1 times [2018-10-26 22:47:11,927 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:47:11,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:47:11,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:47:11,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:47:11,929 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:47:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:47:12,374 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:47:12,374 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:47:12,374 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 22:47:12,375 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 178 with the following transitions: [2018-10-26 22:47:12,379 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [20], [21], [25], [28], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [685], [687], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-10-26 22:47:12,482 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 22:47:12,486 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-10-26 22:51:37,000 WARN L572 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-10-26 22:51:37,001 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-10-26 22:51:37,002 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-26 22:51:37,002 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:51:37,002 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:51:37,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:51:37,015 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-26 22:51:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:51:37,226 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:51:37,268 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-26 22:51:37,469 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:51:37,469 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-26 22:51:37,475 WARN L205 ceAbstractionStarter]: Timeout [2018-10-26 22:51:37,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:51:37 BoogieIcfgContainer [2018-10-26 22:51:37,476 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:51:37,476 INFO L168 Benchmark]: Toolchain (without parser) took 278891.17 ms. Allocated memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: 1.3 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -955.2 MB). Peak memory consumption was 350.8 MB. Max. memory is 7.1 GB. [2018-10-26 22:51:37,478 INFO L168 Benchmark]: CDTParser took 0.25 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. [2018-10-26 22:51:37,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1174.17 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-10-26 22:51:37,479 INFO L168 Benchmark]: Boogie Procedure Inliner took 358.86 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.5 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -881.1 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. [2018-10-26 22:51:37,480 INFO L168 Benchmark]: Boogie Preprocessor took 155.91 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2018-10-26 22:51:37,481 INFO L168 Benchmark]: RCFGBuilder took 5337.10 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 259.2 MB). Peak memory consumption was 259.2 MB. Max. memory is 7.1 GB. [2018-10-26 22:51:37,482 INFO L168 Benchmark]: TraceAbstraction took 271856.04 ms. Allocated memory was 2.3 GB in the beginning and 2.8 GB in the end (delta: 550.5 MB). Free memory was 1.9 GB in the beginning and 2.4 GB in the end (delta: -431.6 MB). Peak memory consumption was 118.9 MB. Max. memory is 7.1 GB. [2018-10-26 22:51:37,488 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 1174.17 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 358.86 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.5 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -881.1 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 155.91 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5337.10 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 259.2 MB). Peak memory consumption was 259.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 271856.04 ms. Allocated memory was 2.3 GB in the beginning and 2.8 GB in the end (delta: 550.5 MB). Free memory was 1.9 GB in the beginning and 2.4 GB in the end (delta: -431.6 MB). Peak memory consumption was 118.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1473]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1473). Cancelled while BasicCegarLoop was analyzing trace of length 178 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 6 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 312 locations, 1 error locations. TIMEOUT Result, 271.7s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 4.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 729 SDtfs, 315 SDslu, 145 SDs, 0 SdLazy, 1257 SolverSat, 410 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=952occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 264.6s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 317 ConstructedInterpolants, 0 QuantifiedInterpolants, 167899 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 10/10 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown