java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label59_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 03:03:30,480 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 03:03:30,484 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 03:03:30,501 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 03:03:30,502 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 03:03:30,503 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 03:03:30,505 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 03:03:30,507 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 03:03:30,509 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 03:03:30,511 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 03:03:30,512 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 03:03:30,512 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 03:03:30,515 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 03:03:30,518 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 03:03:30,525 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 03:03:30,526 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 03:03:30,530 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 03:03:30,532 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 03:03:30,535 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 03:03:30,537 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 03:03:30,538 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 03:03:30,539 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 03:03:30,541 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 03:03:30,541 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 03:03:30,541 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 03:03:30,542 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 03:03:30,543 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 03:03:30,543 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 03:03:30,544 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 03:03:30,545 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 03:03:30,545 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 03:03:30,547 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 03:03:30,549 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 03:03:30,549 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 03:03:30,550 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 03:03:30,551 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 03:03:30,552 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 03:03:30,573 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 03:03:30,573 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 03:03:30,575 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 03:03:30,575 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 03:03:30,575 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 03:03:30,576 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 03:03:30,576 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 03:03:30,576 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 03:03:30,576 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 03:03:30,576 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 03:03:30,577 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 03:03:30,577 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 03:03:30,578 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 03:03:30,578 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 03:03:30,578 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 03:03:30,578 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 03:03:30,579 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 03:03:30,579 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 03:03:30,579 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 03:03:30,579 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 03:03:30,579 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 03:03:30,581 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 03:03:30,582 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 03:03:30,582 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 03:03:30,582 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 03:03:30,582 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 03:03:30,582 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 03:03:30,582 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 03:03:30,583 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 03:03:30,583 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 03:03:30,583 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 03:03:30,583 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 03:03:30,583 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 03:03:30,584 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 03:03:30,657 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 03:03:30,677 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 03:03:30,680 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 03:03:30,682 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 03:03:30,682 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 03:03:30,683 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label59_true-unreach-call.c [2018-11-07 03:03:30,748 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d19b578e/e073efb300134d78b81be24df8b2147e/FLAGd75c861a3 [2018-11-07 03:03:31,358 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 03:03:31,360 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label59_true-unreach-call.c [2018-11-07 03:03:31,388 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d19b578e/e073efb300134d78b81be24df8b2147e/FLAGd75c861a3 [2018-11-07 03:03:31,406 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d19b578e/e073efb300134d78b81be24df8b2147e [2018-11-07 03:03:31,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 03:03:31,421 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 03:03:31,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 03:03:31,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 03:03:31,426 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 03:03:31,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:03:31" (1/1) ... [2018-11-07 03:03:31,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42844b5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:31, skipping insertion in model container [2018-11-07 03:03:31,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:03:31" (1/1) ... [2018-11-07 03:03:31,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 03:03:31,525 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 03:03:32,131 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:03:32,136 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 03:03:32,333 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:03:32,357 INFO L193 MainTranslator]: Completed translation [2018-11-07 03:03:32,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:32 WrapperNode [2018-11-07 03:03:32,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 03:03:32,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 03:03:32,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 03:03:32,360 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 03:03:32,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:32" (1/1) ... [2018-11-07 03:03:32,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:32" (1/1) ... [2018-11-07 03:03:32,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 03:03:32,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 03:03:32,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 03:03:32,563 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 03:03:32,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:32" (1/1) ... [2018-11-07 03:03:32,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:32" (1/1) ... [2018-11-07 03:03:32,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:32" (1/1) ... [2018-11-07 03:03:32,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:32" (1/1) ... [2018-11-07 03:03:32,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:32" (1/1) ... [2018-11-07 03:03:32,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:32" (1/1) ... [2018-11-07 03:03:32,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:32" (1/1) ... [2018-11-07 03:03:32,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 03:03:32,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 03:03:32,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 03:03:32,698 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 03:03:32,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 03:03:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 03:03:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 03:03:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 03:03:32,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 03:03:32,770 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 03:03:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 03:03:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 03:03:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 03:03:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 03:03:36,895 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 03:03:36,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:03:36 BoogieIcfgContainer [2018-11-07 03:03:36,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 03:03:36,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 03:03:36,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 03:03:36,902 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 03:03:36,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:03:31" (1/3) ... [2018-11-07 03:03:36,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346e8a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:03:36, skipping insertion in model container [2018-11-07 03:03:36,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:32" (2/3) ... [2018-11-07 03:03:36,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346e8a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:03:36, skipping insertion in model container [2018-11-07 03:03:36,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:03:36" (3/3) ... [2018-11-07 03:03:36,906 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label59_true-unreach-call.c [2018-11-07 03:03:36,916 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 03:03:36,926 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 03:03:36,946 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 03:03:36,985 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 03:03:36,986 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 03:03:36,986 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 03:03:36,986 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 03:03:36,986 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 03:03:36,986 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 03:03:36,987 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 03:03:36,987 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 03:03:37,021 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-11-07 03:03:37,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-07 03:03:37,036 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:03:37,037 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] [2018-11-07 03:03:37,040 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:03:37,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:03:37,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1395021716, now seen corresponding path program 1 times [2018-11-07 03:03:37,049 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:03:37,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:03:37,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:03:37,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:03:37,107 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:03:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:03:37,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:03:37,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:03:37,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 03:03:37,595 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:03:37,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 03:03:37,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 03:03:37,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 03:03:37,621 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2018-11-07 03:03:39,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:03:39,548 INFO L93 Difference]: Finished difference Result 785 states and 1378 transitions. [2018-11-07 03:03:39,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 03:03:39,551 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-11-07 03:03:39,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:03:39,574 INFO L225 Difference]: With dead ends: 785 [2018-11-07 03:03:39,575 INFO L226 Difference]: Without dead ends: 490 [2018-11-07 03:03:39,583 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 03:03:39,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2018-11-07 03:03:39,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 482. [2018-11-07 03:03:39,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-11-07 03:03:39,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 841 transitions. [2018-11-07 03:03:39,671 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 841 transitions. Word has length 66 [2018-11-07 03:03:39,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:03:39,672 INFO L480 AbstractCegarLoop]: Abstraction has 482 states and 841 transitions. [2018-11-07 03:03:39,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 03:03:39,673 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 841 transitions. [2018-11-07 03:03:39,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-07 03:03:39,681 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:03:39,681 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 03:03:39,682 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:03:39,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:03:39,682 INFO L82 PathProgramCache]: Analyzing trace with hash -994011168, now seen corresponding path program 1 times [2018-11-07 03:03:39,683 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:03:39,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:03:39,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:03:39,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:03:39,684 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:03:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:03:39,994 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:03:39,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:03:39,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:03:39,995 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:03:39,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:03:39,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:03:39,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:03:39,999 INFO L87 Difference]: Start difference. First operand 482 states and 841 transitions. Second operand 6 states. [2018-11-07 03:03:45,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:03:45,227 INFO L93 Difference]: Finished difference Result 1762 states and 3209 transitions. [2018-11-07 03:03:45,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 03:03:45,231 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-11-07 03:03:45,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:03:45,247 INFO L225 Difference]: With dead ends: 1762 [2018-11-07 03:03:45,248 INFO L226 Difference]: Without dead ends: 1286 [2018-11-07 03:03:45,253 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 03:03:45,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2018-11-07 03:03:45,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1252. [2018-11-07 03:03:45,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1252 states. [2018-11-07 03:03:45,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 1988 transitions. [2018-11-07 03:03:45,335 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 1988 transitions. Word has length 136 [2018-11-07 03:03:45,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:03:45,336 INFO L480 AbstractCegarLoop]: Abstraction has 1252 states and 1988 transitions. [2018-11-07 03:03:45,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:03:45,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1988 transitions. [2018-11-07 03:03:45,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-07 03:03:45,349 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:03:45,349 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 03:03:45,350 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:03:45,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:03:45,350 INFO L82 PathProgramCache]: Analyzing trace with hash -2016062845, now seen corresponding path program 1 times [2018-11-07 03:03:45,351 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:03:45,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:03:45,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:03:45,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:03:45,353 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:03:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:03:45,668 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 03:03:46,080 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:03:46,081 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:03:46,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:03:46,081 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:03:46,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:03:46,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:03:46,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:03:46,084 INFO L87 Difference]: Start difference. First operand 1252 states and 1988 transitions. Second operand 6 states. [2018-11-07 03:03:49,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:03:49,048 INFO L93 Difference]: Finished difference Result 3466 states and 5570 transitions. [2018-11-07 03:03:49,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 03:03:49,049 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-11-07 03:03:49,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:03:49,070 INFO L225 Difference]: With dead ends: 3466 [2018-11-07 03:03:49,071 INFO L226 Difference]: Without dead ends: 2220 [2018-11-07 03:03:49,081 INFO L604 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 [2018-11-07 03:03:49,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2220 states. [2018-11-07 03:03:49,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2220 to 2195. [2018-11-07 03:03:49,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2195 states. [2018-11-07 03:03:49,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 3227 transitions. [2018-11-07 03:03:49,160 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 3227 transitions. Word has length 139 [2018-11-07 03:03:49,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:03:49,161 INFO L480 AbstractCegarLoop]: Abstraction has 2195 states and 3227 transitions. [2018-11-07 03:03:49,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:03:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 3227 transitions. [2018-11-07 03:03:49,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-07 03:03:49,164 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:03:49,164 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 03:03:49,165 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:03:49,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:03:49,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1284370280, now seen corresponding path program 1 times [2018-11-07 03:03:49,165 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:03:49,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:03:49,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:03:49,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:03:49,167 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:03:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:03:49,777 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-07 03:03:50,108 WARN L179 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2018-11-07 03:03:50,163 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:03:50,163 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:03:50,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-07 03:03:50,164 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:03:50,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 03:03:50,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 03:03:50,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-07 03:03:50,165 INFO L87 Difference]: Start difference. First operand 2195 states and 3227 transitions. Second operand 7 states. [2018-11-07 03:03:55,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:03:55,178 INFO L93 Difference]: Finished difference Result 5920 states and 8968 transitions. [2018-11-07 03:03:55,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-07 03:03:55,179 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2018-11-07 03:03:55,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:03:55,206 INFO L225 Difference]: With dead ends: 5920 [2018-11-07 03:03:55,206 INFO L226 Difference]: Without dead ends: 3731 [2018-11-07 03:03:55,221 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-11-07 03:03:55,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3731 states. [2018-11-07 03:03:55,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3731 to 3559. [2018-11-07 03:03:55,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3559 states. [2018-11-07 03:03:55,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3559 states to 3559 states and 4983 transitions. [2018-11-07 03:03:55,350 INFO L78 Accepts]: Start accepts. Automaton has 3559 states and 4983 transitions. Word has length 140 [2018-11-07 03:03:55,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:03:55,351 INFO L480 AbstractCegarLoop]: Abstraction has 3559 states and 4983 transitions. [2018-11-07 03:03:55,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 03:03:55,351 INFO L276 IsEmpty]: Start isEmpty. Operand 3559 states and 4983 transitions. [2018-11-07 03:03:55,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-07 03:03:55,355 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:03:55,356 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:03:55,356 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:03:55,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:03:55,356 INFO L82 PathProgramCache]: Analyzing trace with hash -2129360111, now seen corresponding path program 1 times [2018-11-07 03:03:55,356 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:03:55,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:03:55,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:03:55,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:03:55,358 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:03:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:03:55,524 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:03:55,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:03:55,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 03:03:55,525 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:03:55,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 03:03:55,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 03:03:55,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 03:03:55,526 INFO L87 Difference]: Start difference. First operand 3559 states and 4983 transitions. Second operand 3 states. [2018-11-07 03:03:57,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:03:57,344 INFO L93 Difference]: Finished difference Result 8037 states and 11665 transitions. [2018-11-07 03:03:57,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 03:03:57,346 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 198 [2018-11-07 03:03:57,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:03:57,369 INFO L225 Difference]: With dead ends: 8037 [2018-11-07 03:03:57,369 INFO L226 Difference]: Without dead ends: 4484 [2018-11-07 03:03:57,382 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 03:03:57,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4484 states. [2018-11-07 03:03:57,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4484 to 4423. [2018-11-07 03:03:57,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4423 states. [2018-11-07 03:03:57,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4423 states to 4423 states and 5864 transitions. [2018-11-07 03:03:57,479 INFO L78 Accepts]: Start accepts. Automaton has 4423 states and 5864 transitions. Word has length 198 [2018-11-07 03:03:57,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:03:57,480 INFO L480 AbstractCegarLoop]: Abstraction has 4423 states and 5864 transitions. [2018-11-07 03:03:57,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 03:03:57,480 INFO L276 IsEmpty]: Start isEmpty. Operand 4423 states and 5864 transitions. [2018-11-07 03:03:57,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-07 03:03:57,484 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:03:57,484 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:03:57,485 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:03:57,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:03:57,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1377359462, now seen corresponding path program 1 times [2018-11-07 03:03:57,485 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:03:57,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:03:57,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:03:57,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:03:57,486 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:03:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:03:57,740 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 4 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:03:57,740 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:03:57,741 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 03:03:57,741 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-11-07 03:03:57,744 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [869], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-07 03:03:57,829 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 03:03:57,829 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 03:04:02,570 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 03:04:23,159 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 03:04:23,161 INFO L272 AbstractInterpreter]: Visited 156 different actions 454 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-07 03:04:23,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:04:23,207 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 03:04:23,207 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:04:23,207 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 03:04:23,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:04:23,223 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 03:04:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:04:23,342 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 03:04:27,294 WARN L179 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2018-11-07 03:04:27,468 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 4 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:04:27,468 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 03:04:27,633 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:04:27,655 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-07 03:04:27,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 6] total 9 [2018-11-07 03:04:27,656 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:04:27,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 03:04:27,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 03:04:27,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=47, Unknown=2, NotChecked=0, Total=72 [2018-11-07 03:04:27,657 INFO L87 Difference]: Start difference. First operand 4423 states and 5864 transitions. Second operand 3 states. [2018-11-07 03:04:30,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:04:30,040 INFO L93 Difference]: Finished difference Result 10058 states and 13943 transitions. [2018-11-07 03:04:30,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 03:04:30,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2018-11-07 03:04:30,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:04:30,067 INFO L225 Difference]: With dead ends: 10058 [2018-11-07 03:04:30,068 INFO L226 Difference]: Without dead ends: 5641 [2018-11-07 03:04:30,091 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 426 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=23, Invalid=47, Unknown=2, NotChecked=0, Total=72 [2018-11-07 03:04:30,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5641 states. [2018-11-07 03:04:30,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5641 to 5599. [2018-11-07 03:04:30,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5599 states. [2018-11-07 03:04:30,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5599 states to 5599 states and 7753 transitions. [2018-11-07 03:04:30,224 INFO L78 Accepts]: Start accepts. Automaton has 5599 states and 7753 transitions. Word has length 214 [2018-11-07 03:04:30,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:04:30,224 INFO L480 AbstractCegarLoop]: Abstraction has 5599 states and 7753 transitions. [2018-11-07 03:04:30,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 03:04:30,225 INFO L276 IsEmpty]: Start isEmpty. Operand 5599 states and 7753 transitions. [2018-11-07 03:04:30,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-11-07 03:04:30,235 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:04:30,235 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:04:30,236 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:04:30,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:04:30,236 INFO L82 PathProgramCache]: Analyzing trace with hash -2132579400, now seen corresponding path program 1 times [2018-11-07 03:04:30,236 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:04:30,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:04:30,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:04:30,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:04:30,238 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:04:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:04:30,811 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 213 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:04:30,812 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:04:30,812 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 03:04:30,813 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 296 with the following transitions: [2018-11-07 03:04:30,813 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [602], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-07 03:04:30,823 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 03:04:30,823 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 03:04:32,676 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 03:04:53,255 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 03:04:53,255 INFO L272 AbstractInterpreter]: Visited 140 different actions 408 times. Merged at 5 different actions 10 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-07 03:04:53,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:04:53,271 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 03:04:57,941 INFO L227 lantSequenceWeakener]: Weakened 14 states. On average, predicates are now at 76.37% of their original sizes. [2018-11-07 03:04:57,942 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 03:06:27,101 INFO L415 sIntCurrentIteration]: We unified 294 AI predicates to 294 [2018-11-07 03:06:27,101 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 03:06:27,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 03:06:27,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-11-07 03:06:27,102 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:06:27,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-07 03:06:27,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-07 03:06:27,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-11-07 03:06:27,104 INFO L87 Difference]: Start difference. First operand 5599 states and 7753 transitions. Second operand 15 states. Received shutdown request... [2018-11-07 03:07:39,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-07 03:07:39,308 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 03:07:39,314 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 03:07:39,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:07:39 BoogieIcfgContainer [2018-11-07 03:07:39,315 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 03:07:39,318 INFO L168 Benchmark]: Toolchain (without parser) took 247896.34 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.3 GB in the end (delta: -1.9 GB). Peak memory consumption was 761.1 MB. Max. memory is 7.1 GB. [2018-11-07 03:07:39,320 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 03:07:39,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 936.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-11-07 03:07:39,323 INFO L168 Benchmark]: Boogie Procedure Inliner took 202.92 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -849.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2018-11-07 03:07:39,324 INFO L168 Benchmark]: Boogie Preprocessor took 134.53 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 03:07:39,325 INFO L168 Benchmark]: RCFGBuilder took 4199.49 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 190.5 MB). Peak memory consumption was 190.5 MB. Max. memory is 7.1 GB. [2018-11-07 03:07:39,326 INFO L168 Benchmark]: TraceAbstraction took 242416.82 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 612.2 MB. Max. memory is 7.1 GB. [2018-11-07 03:07:39,333 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 936.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 202.92 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -849.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.53 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 4199.49 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 190.5 MB). Peak memory consumption was 190.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 242416.82 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 612.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 183]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 183). Cancelled while BasicCegarLoop was constructing difference of abstraction (5599states) and FLOYD_HOARE automaton (currently 15 states, 15 states before enhancement),while ReachableStatesComputation was computing reachable states (182 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 242.3s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 91.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1094 SDtfs, 4600 SDslu, 728 SDs, 0 SdLazy, 8351 SolverSat, 1808 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 41.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 778 GetRequests, 624 SyntacticMatches, 101 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 96.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5599occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 47.9s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.99619821473563 AbsIntWeakeningRatio, 0.09863945578231292 AbsIntAvgWeakeningVarsNumRemoved, 964.4659863945578 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 342 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 1402 NumberOfCodeBlocks, 1402 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1607 ConstructedInterpolants, 2 QuantifiedInterpolants, 1045582 SizeOfPredicates, 3 NumberOfNonLiveVariables, 375 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 516/628 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown