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/Problem12_label37_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 18:17:46,479 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 18:17:46,481 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 18:17:46,497 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 18:17:46,497 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 18:17:46,498 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 18:17:46,502 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 18:17:46,504 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 18:17:46,508 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 18:17:46,509 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 18:17:46,509 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 18:17:46,511 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 18:17:46,512 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 18:17:46,513 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 18:17:46,521 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 18:17:46,523 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 18:17:46,524 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 18:17:46,526 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 18:17:46,530 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 18:17:46,531 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 18:17:46,532 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 18:17:46,534 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 18:17:46,537 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 18:17:46,537 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 18:17:46,537 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 18:17:46,538 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 18:17:46,540 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 18:17:46,540 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 18:17:46,542 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 18:17:46,543 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 18:17:46,543 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 18:17:46,546 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 18:17:46,546 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 18:17:46,546 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 18:17:46,548 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 18:17:46,549 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 18:17:46,549 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 18:17:46,564 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 18:17:46,565 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 18:17:46,566 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 18:17:46,566 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 18:17:46,566 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 18:17:46,566 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 18:17:46,566 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 18:17:46,567 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 18:17:46,567 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 18:17:46,567 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 18:17:46,567 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 18:17:46,567 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 18:17:46,568 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 18:17:46,568 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 18:17:46,568 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 18:17:46,569 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 18:17:46,569 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 18:17:46,569 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 18:17:46,569 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 18:17:46,569 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 18:17:46,570 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 18:17:46,570 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 18:17:46,570 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 18:17:46,570 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 18:17:46,570 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 18:17:46,571 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 18:17:46,571 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 18:17:46,571 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 18:17:46,571 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 18:17:46,571 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 18:17:46,572 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 18:17:46,572 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 18:17:46,572 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 18:17:46,572 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 18:17:46,618 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 18:17:46,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 18:17:46,639 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 18:17:46,641 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 18:17:46,641 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 18:17:46,642 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label37_false-unreach-call.c [2018-10-24 18:17:46,718 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ca198d2d5/bbad3fc6105c4a0d8c952bc27442a449/FLAG278cb451e [2018-10-24 18:17:47,479 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 18:17:47,480 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label37_false-unreach-call.c [2018-10-24 18:17:47,516 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ca198d2d5/bbad3fc6105c4a0d8c952bc27442a449/FLAG278cb451e [2018-10-24 18:17:47,535 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ca198d2d5/bbad3fc6105c4a0d8c952bc27442a449 [2018-10-24 18:17:47,549 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 18:17:47,551 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 18:17:47,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 18:17:47,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 18:17:47,558 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 18:17:47,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:17:47" (1/1) ... [2018-10-24 18:17:47,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b326c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:17:47, skipping insertion in model container [2018-10-24 18:17:47,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:17:47" (1/1) ... [2018-10-24 18:17:47,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 18:17:47,749 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 18:17:49,007 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:17:49,012 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 18:17:49,616 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:17:49,652 INFO L193 MainTranslator]: Completed translation [2018-10-24 18:17:49,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:17:49 WrapperNode [2018-10-24 18:17:49,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 18:17:49,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 18:17:49,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 18:17:49,654 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 18:17:49,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:17:49" (1/1) ... [2018-10-24 18:17:49,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:17:49" (1/1) ... [2018-10-24 18:17:50,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 18:17:50,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 18:17:50,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 18:17:50,130 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 18:17:50,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:17:49" (1/1) ... [2018-10-24 18:17:50,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:17:49" (1/1) ... [2018-10-24 18:17:50,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:17:49" (1/1) ... [2018-10-24 18:17:50,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:17:49" (1/1) ... [2018-10-24 18:17:50,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:17:49" (1/1) ... [2018-10-24 18:17:50,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:17:49" (1/1) ... [2018-10-24 18:17:50,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:17:49" (1/1) ... [2018-10-24 18:17:50,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 18:17:50,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 18:17:50,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 18:17:50,432 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 18:17:50,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:17:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 18:17:50,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 18:17:50,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 18:17:50,503 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 18:17:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 18:17:50,503 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 18:17:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 18:17:50,503 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 18:17:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 18:17:50,504 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 18:17:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 18:17:50,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 18:17:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 18:17:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 18:17:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 18:18:02,938 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 18:18:02,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:18:02 BoogieIcfgContainer [2018-10-24 18:18:02,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 18:18:02,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 18:18:02,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 18:18:02,943 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 18:18:02,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:17:47" (1/3) ... [2018-10-24 18:18:02,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@279b73a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:18:02, skipping insertion in model container [2018-10-24 18:18:02,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:17:49" (2/3) ... [2018-10-24 18:18:02,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@279b73a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:18:02, skipping insertion in model container [2018-10-24 18:18:02,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:18:02" (3/3) ... [2018-10-24 18:18:02,947 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label37_false-unreach-call.c [2018-10-24 18:18:02,957 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 18:18:02,967 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 18:18:02,985 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 18:18:03,030 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 18:18:03,031 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 18:18:03,031 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 18:18:03,031 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 18:18:03,031 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 18:18:03,032 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 18:18:03,032 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 18:18:03,032 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 18:18:03,068 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2018-10-24 18:18:03,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-24 18:18:03,081 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:18:03,082 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] [2018-10-24 18:18:03,085 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:18:03,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:18:03,092 INFO L82 PathProgramCache]: Analyzing trace with hash -2022607172, now seen corresponding path program 1 times [2018-10-24 18:18:03,095 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:18:03,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:18:03,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:18:03,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:18:03,148 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:18:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:18:03,483 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:18:03,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:18:03,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:18:03,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 18:18:03,594 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:18:03,600 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 18:18:03,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 18:18:03,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 18:18:03,620 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 3 states. [2018-10-24 18:18:11,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:18:11,564 INFO L93 Difference]: Finished difference Result 2446 states and 4700 transitions. [2018-10-24 18:18:11,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 18:18:11,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-10-24 18:18:11,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:18:11,600 INFO L225 Difference]: With dead ends: 2446 [2018-10-24 18:18:11,601 INFO L226 Difference]: Without dead ends: 1604 [2018-10-24 18:18:11,615 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 18:18:11,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2018-10-24 18:18:11,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1604. [2018-10-24 18:18:11,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2018-10-24 18:18:11,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2861 transitions. [2018-10-24 18:18:11,783 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2861 transitions. Word has length 20 [2018-10-24 18:18:11,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:18:11,784 INFO L481 AbstractCegarLoop]: Abstraction has 1604 states and 2861 transitions. [2018-10-24 18:18:11,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 18:18:11,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2861 transitions. [2018-10-24 18:18:11,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-24 18:18:11,791 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:18:11,792 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 18:18:11,792 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:18:11,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:18:11,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1778417694, now seen corresponding path program 1 times [2018-10-24 18:18:11,793 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:18:11,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:18:11,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:18:11,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:18:11,795 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:18:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:18:12,068 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:18:12,068 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:18:12,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 18:18:12,069 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:18:12,071 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 18:18:12,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 18:18:12,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 18:18:12,072 INFO L87 Difference]: Start difference. First operand 1604 states and 2861 transitions. Second operand 4 states. [2018-10-24 18:18:26,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:18:26,232 INFO L93 Difference]: Finished difference Result 6274 states and 11427 transitions. [2018-10-24 18:18:26,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 18:18:26,242 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 96 [2018-10-24 18:18:26,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:18:26,283 INFO L225 Difference]: With dead ends: 6274 [2018-10-24 18:18:26,283 INFO L226 Difference]: Without dead ends: 4676 [2018-10-24 18:18:26,294 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 18:18:26,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4676 states. [2018-10-24 18:18:26,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4676 to 4676. [2018-10-24 18:18:26,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4676 states. [2018-10-24 18:18:26,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4676 states to 4676 states and 7992 transitions. [2018-10-24 18:18:26,451 INFO L78 Accepts]: Start accepts. Automaton has 4676 states and 7992 transitions. Word has length 96 [2018-10-24 18:18:26,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:18:26,452 INFO L481 AbstractCegarLoop]: Abstraction has 4676 states and 7992 transitions. [2018-10-24 18:18:26,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 18:18:26,452 INFO L276 IsEmpty]: Start isEmpty. Operand 4676 states and 7992 transitions. [2018-10-24 18:18:26,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-24 18:18:26,463 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:18:26,463 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 18:18:26,464 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:18:26,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:18:26,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1546584746, now seen corresponding path program 1 times [2018-10-24 18:18:26,464 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:18:26,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:18:26,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:18:26,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:18:26,467 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:18:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:18:26,749 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:18:26,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:18:26,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 18:18:26,750 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:18:26,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 18:18:26,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 18:18:26,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-24 18:18:26,755 INFO L87 Difference]: Start difference. First operand 4676 states and 7992 transitions. Second operand 5 states. [2018-10-24 18:18:37,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:18:37,908 INFO L93 Difference]: Finished difference Result 14214 states and 24823 transitions. [2018-10-24 18:18:37,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 18:18:37,911 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 100 [2018-10-24 18:18:37,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:18:37,975 INFO L225 Difference]: With dead ends: 14214 [2018-10-24 18:18:37,975 INFO L226 Difference]: Without dead ends: 9544 [2018-10-24 18:18:37,997 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 18:18:38,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9544 states. [2018-10-24 18:18:38,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9544 to 9456. [2018-10-24 18:18:38,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9456 states. [2018-10-24 18:18:38,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9456 states to 9456 states and 14962 transitions. [2018-10-24 18:18:38,302 INFO L78 Accepts]: Start accepts. Automaton has 9456 states and 14962 transitions. Word has length 100 [2018-10-24 18:18:38,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:18:38,302 INFO L481 AbstractCegarLoop]: Abstraction has 9456 states and 14962 transitions. [2018-10-24 18:18:38,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 18:18:38,303 INFO L276 IsEmpty]: Start isEmpty. Operand 9456 states and 14962 transitions. [2018-10-24 18:18:38,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-24 18:18:38,309 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:18:38,309 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 18:18:38,310 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:18:38,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:18:38,310 INFO L82 PathProgramCache]: Analyzing trace with hash 36653875, now seen corresponding path program 1 times [2018-10-24 18:18:38,310 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:18:38,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:18:38,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:18:38,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:18:38,312 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:18:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:18:38,630 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:18:39,009 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:18:39,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:18:39,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 18:18:39,009 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:18:39,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 18:18:39,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 18:18:39,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 18:18:39,012 INFO L87 Difference]: Start difference. First operand 9456 states and 14962 transitions. Second operand 6 states. [2018-10-24 18:18:54,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:18:54,221 INFO L93 Difference]: Finished difference Result 22341 states and 35510 transitions. [2018-10-24 18:18:54,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 18:18:54,221 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 111 [2018-10-24 18:18:54,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:18:54,286 INFO L225 Difference]: With dead ends: 22341 [2018-10-24 18:18:54,286 INFO L226 Difference]: Without dead ends: 12891 [2018-10-24 18:18:54,322 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 18:18:54,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12891 states. [2018-10-24 18:18:54,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12891 to 12853. [2018-10-24 18:18:54,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12853 states. [2018-10-24 18:18:54,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12853 states to 12853 states and 19480 transitions. [2018-10-24 18:18:54,652 INFO L78 Accepts]: Start accepts. Automaton has 12853 states and 19480 transitions. Word has length 111 [2018-10-24 18:18:54,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:18:54,653 INFO L481 AbstractCegarLoop]: Abstraction has 12853 states and 19480 transitions. [2018-10-24 18:18:54,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 18:18:54,653 INFO L276 IsEmpty]: Start isEmpty. Operand 12853 states and 19480 transitions. [2018-10-24 18:18:54,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-24 18:18:54,655 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:18:54,655 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 18:18:54,655 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:18:54,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:18:54,656 INFO L82 PathProgramCache]: Analyzing trace with hash 586101302, now seen corresponding path program 1 times [2018-10-24 18:18:54,656 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:18:54,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:18:54,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:18:54,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:18:54,658 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:18:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:18:54,972 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:18:55,268 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:18:55,268 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:18:55,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 18:18:55,269 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:18:55,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 18:18:55,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 18:18:55,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 18:18:55,270 INFO L87 Difference]: Start difference. First operand 12853 states and 19480 transitions. Second operand 6 states. [2018-10-24 18:19:02,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:19:02,962 INFO L93 Difference]: Finished difference Result 35894 states and 57485 transitions. [2018-10-24 18:19:02,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 18:19:02,963 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 116 [2018-10-24 18:19:02,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:19:03,271 INFO L225 Difference]: With dead ends: 35894 [2018-10-24 18:19:03,271 INFO L226 Difference]: Without dead ends: 23047 [2018-10-24 18:19:03,307 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 18:19:03,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23047 states. [2018-10-24 18:19:03,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23047 to 22805. [2018-10-24 18:19:03,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22805 states. [2018-10-24 18:19:03,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22805 states to 22805 states and 34896 transitions. [2018-10-24 18:19:03,926 INFO L78 Accepts]: Start accepts. Automaton has 22805 states and 34896 transitions. Word has length 116 [2018-10-24 18:19:03,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:19:03,926 INFO L481 AbstractCegarLoop]: Abstraction has 22805 states and 34896 transitions. [2018-10-24 18:19:03,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 18:19:03,927 INFO L276 IsEmpty]: Start isEmpty. Operand 22805 states and 34896 transitions. [2018-10-24 18:19:03,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-24 18:19:03,930 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:19:03,930 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 18:19:03,930 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:19:03,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:19:03,933 INFO L82 PathProgramCache]: Analyzing trace with hash -220169182, now seen corresponding path program 1 times [2018-10-24 18:19:03,933 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:19:03,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:19:03,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:19:03,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:19:03,934 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:19:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:19:04,285 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:19:04,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:19:04,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 18:19:04,286 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:19:04,286 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 18:19:04,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 18:19:04,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 18:19:04,288 INFO L87 Difference]: Start difference. First operand 22805 states and 34896 transitions. Second operand 5 states. [2018-10-24 18:19:22,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:19:22,372 INFO L93 Difference]: Finished difference Result 76291 states and 124667 transitions. [2018-10-24 18:19:22,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 18:19:22,377 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2018-10-24 18:19:22,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:19:22,603 INFO L225 Difference]: With dead ends: 76291 [2018-10-24 18:19:22,603 INFO L226 Difference]: Without dead ends: 53492 [2018-10-24 18:19:22,679 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 18:19:22,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53492 states. [2018-10-24 18:19:23,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53492 to 53063. [2018-10-24 18:19:23,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53063 states. [2018-10-24 18:19:23,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53063 states to 53063 states and 75528 transitions. [2018-10-24 18:19:23,831 INFO L78 Accepts]: Start accepts. Automaton has 53063 states and 75528 transitions. Word has length 142 [2018-10-24 18:19:23,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:19:23,833 INFO L481 AbstractCegarLoop]: Abstraction has 53063 states and 75528 transitions. [2018-10-24 18:19:23,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 18:19:23,834 INFO L276 IsEmpty]: Start isEmpty. Operand 53063 states and 75528 transitions. [2018-10-24 18:19:23,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-24 18:19:23,848 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:19:23,848 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 18:19:23,849 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:19:23,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:19:23,849 INFO L82 PathProgramCache]: Analyzing trace with hash -387409999, now seen corresponding path program 1 times [2018-10-24 18:19:23,849 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:19:23,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:19:23,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:19:23,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:19:23,858 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:19:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:19:24,158 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:19:24,583 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 26 proven. 75 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 18:19:24,583 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 18:19:24,584 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 18:19:24,585 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 222 with the following transitions: [2018-10-24 18:19:24,588 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1927], [1929], [1932], [1940], [1948], [1956], [1964], [1972], [1980], [1988], [1996], [2004], [2012], [2020], [2028], [2036], [2044], [2052], [2060], [2068], [2076], [2084], [2092], [2100], [2108], [2116], [2124], [2132], [2140], [2148], [2156], [2164], [2172], [2180], [2188], [2196], [2204], [2212], [2220], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2400], [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], [2564], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-10-24 18:19:24,683 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 18:19:24,683 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 18:19:29,141 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 18:19:29,220 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 18:19:29,222 INFO L272 AbstractInterpreter]: Visited 126 different actions 126 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 18:19:29,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:19:29,260 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 18:19:31,865 INFO L232 lantSequenceWeakener]: Weakened 213 states. On average, predicates are now at 75.07% of their original sizes. [2018-10-24 18:19:31,865 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 18:19:32,331 INFO L413 sIntCurrentIteration]: We have 220 unified AI predicates [2018-10-24 18:19:32,331 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 18:19:32,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 18:19:32,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-10-24 18:19:32,332 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:19:32,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 18:19:32,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 18:19:32,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 18:19:32,334 INFO L87 Difference]: Start difference. First operand 53063 states and 75528 transitions. Second operand 8 states. Received shutdown request... [2018-10-24 18:21:16,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 18:21:16,256 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 18:21:16,263 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 18:21:16,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 06:21:16 BoogieIcfgContainer [2018-10-24 18:21:16,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 18:21:16,264 INFO L168 Benchmark]: Toolchain (without parser) took 208714.85 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 125.7 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-10-24 18:21:16,265 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 18:21:16,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2101.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. [2018-10-24 18:21:16,267 INFO L168 Benchmark]: Boogie Procedure Inliner took 475.39 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 765.5 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 68.9 MB. Max. memory is 7.1 GB. [2018-10-24 18:21:16,268 INFO L168 Benchmark]: Boogie Preprocessor took 301.25 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 36.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. [2018-10-24 18:21:16,269 INFO L168 Benchmark]: RCFGBuilder took 12507.83 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 186.6 MB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -201.7 MB). Peak memory consumption was 676.7 MB. Max. memory is 7.1 GB. [2018-10-24 18:21:16,270 INFO L168 Benchmark]: TraceAbstraction took 193323.45 ms. Allocated memory was 2.4 GB in the beginning and 4.1 GB in the end (delta: 1.7 GB). Free memory was 2.3 GB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2018-10-24 18:21:16,275 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2101.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 475.39 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 765.5 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 68.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 301.25 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 36.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12507.83 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 186.6 MB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -201.7 MB). Peak memory consumption was 676.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 193323.45 ms. Allocated memory was 2.4 GB in the beginning and 4.1 GB in the end (delta: 1.7 GB). Free memory was 2.3 GB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 51). Cancelled while BasicCegarLoop was constructing difference of abstraction (53063states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (40979 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 840 locations, 1 error locations. TIMEOUT Result, 193.2s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 179.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1536 SDtfs, 16549 SDslu, 1064 SDs, 0 SdLazy, 32054 SolverSat, 6580 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 134.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 268 GetRequests, 229 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53063occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9955944055944055 AbsIntWeakeningRatio, 0.12272727272727273 AbsIntAvgWeakeningVarsNumRemoved, 1042.7318181818182 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 6 MinimizatonAttempts, 797 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 806 NumberOfCodeBlocks, 806 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 799 ConstructedInterpolants, 0 QuantifiedInterpolants, 376344 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 96/171 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown