java -Xss4m -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 17:54:02,377 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 17:54:02,379 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 17:54:02,393 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 17:54:02,393 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 17:54:02,394 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 17:54:02,395 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 17:54:02,397 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 17:54:02,399 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 17:54:02,400 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 17:54:02,401 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 17:54:02,401 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 17:54:02,402 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 17:54:02,406 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 17:54:02,408 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 17:54:02,409 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 17:54:02,409 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 17:54:02,421 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 17:54:02,423 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 17:54:02,425 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 17:54:02,426 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 17:54:02,428 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 17:54:02,437 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-21 17:54:02,438 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-21 17:54:02,438 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-21 17:54:02,439 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-21 17:54:02,440 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-21 17:54:02,441 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-21 17:54:02,442 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-21 17:54:02,451 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-21 17:54:02,451 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-21 17:54:02,452 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-21 17:54:02,454 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-07-21 17:54:02,484 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 17:54:02,484 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 17:54:02,485 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 17:54:02,485 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 17:54:02,485 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 17:54:02,485 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 17:54:02,486 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 17:54:02,486 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 17:54:02,486 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 17:54:02,486 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 17:54:02,486 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 17:54:02,487 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 17:54:02,488 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 17:54:02,488 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 17:54:02,489 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 17:54:02,489 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 17:54:02,489 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 17:54:02,489 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 17:54:02,489 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 17:54:02,490 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 17:54:02,490 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 17:54:02,490 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 17:54:02,490 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 17:54:02,490 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 17:54:02,491 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 17:54:02,493 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 17:54:02,493 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 17:54:02,494 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 17:54:02,494 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 17:54:02,494 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 17:54:02,494 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 17:54:02,494 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 17:54:02,495 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 17:54:02,495 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 17:54:02,495 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 17:54:02,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 17:54:02,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 17:54:02,564 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 17:54:02,566 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 17:54:02,566 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 17:54:02,567 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c [2018-07-21 17:54:02,923 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/61c0a71d1/bf73f926eead4f09a9bb5f5b2232633b/FLAGe62334943 [2018-07-21 17:54:03,244 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 17:54:03,245 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c [2018-07-21 17:54:03,261 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/61c0a71d1/bf73f926eead4f09a9bb5f5b2232633b/FLAGe62334943 [2018-07-21 17:54:03,277 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/61c0a71d1/bf73f926eead4f09a9bb5f5b2232633b [2018-07-21 17:54:03,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 17:54:03,297 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 17:54:03,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 17:54:03,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 17:54:03,308 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 17:54:03,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:54:03" (1/1) ... [2018-07-21 17:54:03,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651ebbe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:54:03, skipping insertion in model container [2018-07-21 17:54:03,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:54:03" (1/1) ... [2018-07-21 17:54:03,533 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 17:54:03,852 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 17:54:03,870 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 17:54:04,081 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 17:54:04,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:54:04 WrapperNode [2018-07-21 17:54:04,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 17:54:04,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 17:54:04,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 17:54:04,142 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 17:54:04,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:54:04" (1/1) ... [2018-07-21 17:54:04,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:54:04" (1/1) ... [2018-07-21 17:54:04,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 17:54:04,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 17:54:04,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 17:54:04,283 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 17:54:04,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:54:04" (1/1) ... [2018-07-21 17:54:04,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:54:04" (1/1) ... [2018-07-21 17:54:04,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:54:04" (1/1) ... [2018-07-21 17:54:04,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:54:04" (1/1) ... [2018-07-21 17:54:04,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:54:04" (1/1) ... [2018-07-21 17:54:04,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:54:04" (1/1) ... [2018-07-21 17:54:04,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:54:04" (1/1) ... [2018-07-21 17:54:04,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 17:54:04,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 17:54:04,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 17:54:04,412 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 17:54:04,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:54:04" (1/1) ... No working directory specified, using /storage/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 [2018-07-21 17:54:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 17:54:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 17:54:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-21 17:54:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-21 17:54:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 17:54:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 17:54:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 17:54:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 17:54:08,625 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 17:54:08,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:54:08 BoogieIcfgContainer [2018-07-21 17:54:08,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 17:54:08,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 17:54:08,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 17:54:08,632 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 17:54:08,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 05:54:03" (1/3) ... [2018-07-21 17:54:08,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f3bfe83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:54:08, skipping insertion in model container [2018-07-21 17:54:08,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:54:04" (2/3) ... [2018-07-21 17:54:08,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f3bfe83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:54:08, skipping insertion in model container [2018-07-21 17:54:08,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:54:08" (3/3) ... [2018-07-21 17:54:08,636 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label45_true-unreach-call_false-termination.c [2018-07-21 17:54:08,646 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 17:54:08,654 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 17:54:08,710 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 17:54:08,711 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 17:54:08,711 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 17:54:08,711 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 17:54:08,711 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 17:54:08,711 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 17:54:08,712 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 17:54:08,712 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 17:54:08,712 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 17:54:08,737 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-07-21 17:54:08,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-07-21 17:54:08,748 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:54:08,749 INFO L358 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] [2018-07-21 17:54:08,749 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:54:08,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1525638783, now seen corresponding path program 1 times [2018-07-21 17:54:08,756 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:54:08,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:54:08,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:54:08,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:54:08,810 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:54:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:54:09,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 17:54:09,316 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 17:54:09,317 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-21 17:54:09,317 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:54:09,321 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-21 17:54:09,339 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-21 17:54:09,340 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 17:54:09,343 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 4 states. [2018-07-21 17:54:11,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 17:54:11,708 INFO L93 Difference]: Finished difference Result 894 states and 1610 transitions. [2018-07-21 17:54:11,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-21 17:54:11,711 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-07-21 17:54:11,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 17:54:11,734 INFO L225 Difference]: With dead ends: 894 [2018-07-21 17:54:11,734 INFO L226 Difference]: Without dead ends: 633 [2018-07-21 17:54:11,742 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 17:54:11,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2018-07-21 17:54:11,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 434. [2018-07-21 17:54:11,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-07-21 17:54:11,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 662 transitions. [2018-07-21 17:54:11,836 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 662 transitions. Word has length 43 [2018-07-21 17:54:11,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 17:54:11,837 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 662 transitions. [2018-07-21 17:54:11,837 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-21 17:54:11,837 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 662 transitions. [2018-07-21 17:54:11,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-07-21 17:54:11,844 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:54:11,844 INFO L358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 17:54:11,845 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:54:11,845 INFO L82 PathProgramCache]: Analyzing trace with hash 2115089016, now seen corresponding path program 1 times [2018-07-21 17:54:11,845 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:54:11,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:54:11,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:54:11,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:54:11,847 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:54:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:54:12,102 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 17:54:12,102 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 17:54:12,102 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-21 17:54:12,102 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:54:12,106 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-21 17:54:12,106 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-21 17:54:12,106 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 17:54:12,107 INFO L87 Difference]: Start difference. First operand 434 states and 662 transitions. Second operand 4 states. [2018-07-21 17:54:14,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 17:54:14,538 INFO L93 Difference]: Finished difference Result 1594 states and 2540 transitions. [2018-07-21 17:54:14,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-21 17:54:14,541 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 127 [2018-07-21 17:54:14,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 17:54:14,556 INFO L225 Difference]: With dead ends: 1594 [2018-07-21 17:54:14,556 INFO L226 Difference]: Without dead ends: 1166 [2018-07-21 17:54:14,562 INFO L578 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 [2018-07-21 17:54:14,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2018-07-21 17:54:14,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 1166. [2018-07-21 17:54:14,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1166 states. [2018-07-21 17:54:14,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 1705 transitions. [2018-07-21 17:54:14,671 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 1705 transitions. Word has length 127 [2018-07-21 17:54:14,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 17:54:14,672 INFO L471 AbstractCegarLoop]: Abstraction has 1166 states and 1705 transitions. [2018-07-21 17:54:14,672 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-21 17:54:14,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1705 transitions. [2018-07-21 17:54:14,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-07-21 17:54:14,691 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:54:14,691 INFO L358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 17:54:14,691 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:54:14,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1813821812, now seen corresponding path program 1 times [2018-07-21 17:54:14,692 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:54:14,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:54:14,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:54:14,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:54:14,695 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:54:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:54:14,950 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-07-21 17:54:14,950 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 17:54:14,951 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 17:54:14,952 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-07-21 17:54:14,954 INFO L201 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], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [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], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-07-21 17:54:15,030 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 17:54:15,031 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 17:54:24,909 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 17:54:26,028 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 17:54:26,029 INFO L272 AbstractInterpreter]: Visited 114 different actions 114 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-07-21 17:54:26,084 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 17:54:33,757 INFO L232 lantSequenceWeakener]: Weakened 148 states. On average, predicates are now at 78.13% of their original sizes. [2018-07-21 17:54:33,757 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 17:54:34,713 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 17:54:34,714 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 17:54:34,714 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [4] total 10 [2018-07-21 17:54:34,714 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:54:34,715 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-21 17:54:34,716 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-21 17:54:34,716 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-07-21 17:54:34,716 INFO L87 Difference]: Start difference. First operand 1166 states and 1705 transitions. Second operand 8 states. [2018-07-21 17:55:21,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 17:55:21,264 INFO L93 Difference]: Finished difference Result 2511 states and 3649 transitions. [2018-07-21 17:55:21,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-21 17:55:21,288 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2018-07-21 17:55:21,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 17:55:21,302 INFO L225 Difference]: With dead ends: 2511 [2018-07-21 17:55:21,302 INFO L226 Difference]: Without dead ends: 1351 [2018-07-21 17:55:21,308 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 154 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-07-21 17:55:21,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2018-07-21 17:55:21,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1349. [2018-07-21 17:55:21,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1349 states. [2018-07-21 17:55:21,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 1896 transitions. [2018-07-21 17:55:21,370 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 1896 transitions. Word has length 153 [2018-07-21 17:55:21,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 17:55:21,372 INFO L471 AbstractCegarLoop]: Abstraction has 1349 states and 1896 transitions. [2018-07-21 17:55:21,372 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-21 17:55:21,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1896 transitions. [2018-07-21 17:55:21,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-07-21 17:55:21,379 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:55:21,379 INFO L358 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-21 17:55:21,379 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:55:21,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1100117890, now seen corresponding path program 1 times [2018-07-21 17:55:21,380 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:55:21,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:55:21,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:55:21,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:55:21,381 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:55:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:55:21,884 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 155 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 17:55:21,884 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 17:55:21,884 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 17:55:21,885 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 239 with the following transitions: [2018-07-21 17:55:21,885 INFO L201 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], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-07-21 17:55:21,891 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 17:55:21,892 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 17:55:31,075 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 17:55:36,157 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 17:55:36,157 INFO L272 AbstractInterpreter]: Visited 118 different actions 232 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-21 17:55:36,166 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 17:55:39,476 INFO L232 lantSequenceWeakener]: Weakened 236 states. On average, predicates are now at 77.89% of their original sizes. [2018-07-21 17:55:39,476 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 17:55:42,251 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 17:55:42,251 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 17:55:42,251 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-07-21 17:55:42,251 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:55:42,252 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-21 17:55:42,252 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-21 17:55:42,255 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2018-07-21 17:55:42,255 INFO L87 Difference]: Start difference. First operand 1349 states and 1896 transitions. Second operand 15 states. [2018-07-21 17:56:20,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 17:56:20,865 INFO L93 Difference]: Finished difference Result 2881 states and 4063 transitions. [2018-07-21 17:56:20,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-21 17:56:20,865 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 238 [2018-07-21 17:56:20,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 17:56:20,877 INFO L225 Difference]: With dead ends: 2881 [2018-07-21 17:56:20,877 INFO L226 Difference]: Without dead ends: 1351 [2018-07-21 17:56:20,885 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 246 GetRequests, 184 SyntacticMatches, 40 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=127, Invalid=425, Unknown=0, NotChecked=0, Total=552 [2018-07-21 17:56:20,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2018-07-21 17:56:20,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1349. [2018-07-21 17:56:20,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1349 states. [2018-07-21 17:56:20,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 1890 transitions. [2018-07-21 17:56:20,954 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 1890 transitions. Word has length 238 [2018-07-21 17:56:20,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 17:56:20,954 INFO L471 AbstractCegarLoop]: Abstraction has 1349 states and 1890 transitions. [2018-07-21 17:56:20,955 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-21 17:56:20,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1890 transitions. [2018-07-21 17:56:20,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-07-21 17:56:20,960 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:56:20,961 INFO L358 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-21 17:56:20,961 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:56:20,961 INFO L82 PathProgramCache]: Analyzing trace with hash -583238574, now seen corresponding path program 1 times [2018-07-21 17:56:20,961 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:56:20,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:56:20,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:56:20,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:56:20,964 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:56:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:56:21,333 WARN L169 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-21 17:56:21,727 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 55 proven. 122 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-21 17:56:21,728 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 17:56:21,729 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 17:56:21,729 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 265 with the following transitions: [2018-07-21 17:56:21,729 INFO L201 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], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [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], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-07-21 17:56:21,736 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 17:56:21,737 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 17:56:28,060 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 17:56:48,749 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 17:56:48,750 INFO L272 AbstractInterpreter]: Visited 119 different actions 581 times. Merged at 7 different actions 30 times. Widened at 1 different actions 1 times. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-07-21 17:56:48,760 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 17:56:50,989 INFO L232 lantSequenceWeakener]: Weakened 262 states. On average, predicates are now at 77.82% of their original sizes. [2018-07-21 17:56:50,989 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 17:56:51,278 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 17:56:51,278 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 17:56:51,278 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2018-07-21 17:56:51,278 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:56:51,279 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-21 17:56:51,279 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-21 17:56:51,280 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-07-21 17:56:51,280 INFO L87 Difference]: Start difference. First operand 1349 states and 1890 transitions. Second operand 11 states. [2018-07-21 17:57:25,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 17:57:25,640 INFO L93 Difference]: Finished difference Result 2888 states and 4191 transitions. [2018-07-21 17:57:25,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-21 17:57:25,641 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 264 [2018-07-21 17:57:25,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 17:57:25,653 INFO L225 Difference]: With dead ends: 2888 [2018-07-21 17:57:25,653 INFO L226 Difference]: Without dead ends: 1728 [2018-07-21 17:57:25,661 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 272 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2018-07-21 17:57:25,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2018-07-21 17:57:25,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1721. [2018-07-21 17:57:25,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1721 states. [2018-07-21 17:57:25,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 2308 transitions. [2018-07-21 17:57:25,741 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 2308 transitions. Word has length 264 [2018-07-21 17:57:25,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 17:57:25,742 INFO L471 AbstractCegarLoop]: Abstraction has 1721 states and 2308 transitions. [2018-07-21 17:57:25,742 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-21 17:57:25,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2308 transitions. [2018-07-21 17:57:25,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-07-21 17:57:25,751 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:57:25,752 INFO L358 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 17:57:25,752 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:57:25,752 INFO L82 PathProgramCache]: Analyzing trace with hash -28254966, now seen corresponding path program 1 times [2018-07-21 17:57:25,752 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:57:25,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:57:25,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:57:25,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:57:25,754 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:57:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:57:27,151 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 209 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 17:57:27,151 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 17:57:27,151 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 17:57:27,151 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 374 with the following transitions: [2018-07-21 17:57:27,152 INFO L201 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], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [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], [566], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [738], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-07-21 17:57:27,158 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 17:57:27,158 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-07-21 17:57:44,015 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-21 17:57:44,016 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-21 17:57:44,017 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-21 17:57:44,017 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 17:57:44,017 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/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 [2018-07-21 17:57:44,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:57:44,029 INFO L282 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-21 17:57:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:57:44,172 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 17:57:44,223 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-21 17:57:44,424 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 17:57:44,424 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 17:57:44,428 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 17:57:44,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 05:57:44 BoogieIcfgContainer [2018-07-21 17:57:44,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 17:57:44,429 INFO L168 Benchmark]: Toolchain (without parser) took 221138.90 ms. Allocated memory was 303.6 MB in the beginning and 2.6 GB in the end (delta: 2.3 GB). Free memory was 246.1 MB in the beginning and 841.3 MB in the end (delta: -595.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 5.3 GB. [2018-07-21 17:57:44,430 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 303.6 MB. Free memory is still 267.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 17:57:44,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 843.15 ms. Allocated memory is still 303.6 MB. Free memory was 245.1 MB in the beginning and 202.0 MB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 5.3 GB. [2018-07-21 17:57:44,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.94 ms. Allocated memory is still 303.6 MB. Free memory was 202.0 MB in the beginning and 192.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-07-21 17:57:44,432 INFO L168 Benchmark]: Boogie Preprocessor took 128.69 ms. Allocated memory is still 303.6 MB. Free memory was 192.0 MB in the beginning and 186.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 5.3 GB. [2018-07-21 17:57:44,432 INFO L168 Benchmark]: RCFGBuilder took 4215.36 ms. Allocated memory was 303.6 MB in the beginning and 441.5 MB in the end (delta: 137.9 MB). Free memory was 185.9 MB in the beginning and 276.6 MB in the end (delta: -90.7 MB). Peak memory consumption was 63.4 MB. Max. memory is 5.3 GB. [2018-07-21 17:57:44,433 INFO L168 Benchmark]: TraceAbstraction took 215800.75 ms. Allocated memory was 441.5 MB in the beginning and 2.6 GB in the end (delta: 2.2 GB). Free memory was 274.3 MB in the beginning and 841.3 MB in the end (delta: -567.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 5.3 GB. [2018-07-21 17:57:44,436 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 303.6 MB. Free memory is still 267.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 843.15 ms. Allocated memory is still 303.6 MB. Free memory was 245.1 MB in the beginning and 202.0 MB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 139.94 ms. Allocated memory is still 303.6 MB. Free memory was 202.0 MB in the beginning and 192.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 128.69 ms. Allocated memory is still 303.6 MB. Free memory was 192.0 MB in the beginning and 186.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 4215.36 ms. Allocated memory was 303.6 MB in the beginning and 441.5 MB in the end (delta: 137.9 MB). Free memory was 185.9 MB in the beginning and 276.6 MB in the end (delta: -90.7 MB). Peak memory consumption was 63.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 215800.75 ms. Allocated memory was 441.5 MB in the beginning and 2.6 GB in the end (delta: 2.2 GB). Free memory was 274.3 MB in the beginning and 841.3 MB in the end (delta: -567.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 112]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 112). Cancelled while BasicCegarLoop was analyzing trace of length 374 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 15 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. TIMEOUT Result, 215.7s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 124.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1252 SDtfs, 3414 SDslu, 1424 SDs, 0 SdLazy, 6777 SolverSat, 1079 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 81.7s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 683 GetRequests, 591 SyntacticMatches, 40 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1721occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 69.3s AbstIntTime, 4 AbstIntIterations, 3 AbstIntStrong, 0.9950959144660798 AbsIntWeakeningRatio, 0.11042944785276074 AbsIntAvgWeakeningVarsNumRemoved, 403.52914110429447 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 210 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 825 NumberOfCodeBlocks, 825 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 820 ConstructedInterpolants, 0 QuantifiedInterpolants, 859219 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 255/411 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem14_label45_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_17-57-44-448.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem14_label45_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_17-57-44-448.csv Completed graceful shutdown