java -Xmx8000000000 -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 csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label25_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 22:02:14,569 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 22:02:14,572 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 22:02:14,588 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 22:02:14,588 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 22:02:14,591 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 22:02:14,593 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 22:02:14,595 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 22:02:14,597 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 22:02:14,600 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 22:02:14,601 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 22:02:14,601 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 22:02:14,604 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 22:02:14,605 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 22:02:14,611 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 22:02:14,612 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 22:02:14,613 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 22:02:14,623 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 22:02:14,625 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 22:02:14,630 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 22:02:14,631 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 22:02:14,634 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 22:02:14,637 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 22:02:14,638 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 22:02:14,638 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 22:02:14,639 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 22:02:14,640 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 22:02:14,641 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 22:02:14,642 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 22:02:14,643 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 22:02:14,643 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 22:02:14,644 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 22:02:14,647 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 22:02:14,647 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 22:02:14,648 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 22:02:14,649 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 22:02:14,649 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 22:02:14,665 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 22:02:14,666 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 22:02:14,667 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 22:02:14,667 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 22:02:14,667 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 22:02:14,667 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 22:02:14,667 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 22:02:14,668 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 22:02:14,668 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 22:02:14,668 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 22:02:14,668 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 22:02:14,669 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 22:02:14,669 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 22:02:14,669 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 22:02:14,670 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 22:02:14,670 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 22:02:14,670 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 22:02:14,670 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 22:02:14,670 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 22:02:14,671 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 22:02:14,671 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 22:02:14,671 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 22:02:14,671 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 22:02:14,671 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 22:02:14,672 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 22:02:14,672 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 22:02:14,672 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 22:02:14,672 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 22:02:14,672 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 22:02:14,673 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 22:02:14,673 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 22:02:14,673 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 22:02:14,673 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 22:02:14,737 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 22:02:14,755 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 22:02:14,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 22:02:14,762 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 22:02:14,763 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 22:02:14,764 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label25_true-unreach-call.c [2018-07-23 22:02:15,129 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d9ece4a/a54ec66976844b6485220bcbcbf0fe6e/FLAG40dc8a3c3 [2018-07-23 22:02:15,445 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 22:02:15,446 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label25_true-unreach-call.c [2018-07-23 22:02:15,471 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d9ece4a/a54ec66976844b6485220bcbcbf0fe6e/FLAG40dc8a3c3 [2018-07-23 22:02:15,494 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d9ece4a/a54ec66976844b6485220bcbcbf0fe6e [2018-07-23 22:02:15,508 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 22:02:15,510 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 22:02:15,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 22:02:15,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 22:02:15,518 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 22:02:15,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:02:15" (1/1) ... [2018-07-23 22:02:15,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e5971b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:02:15, skipping insertion in model container [2018-07-23 22:02:15,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:02:15" (1/1) ... [2018-07-23 22:02:15,729 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 22:02:16,157 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:02:16,177 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 22:02:16,360 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:02:16,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:02:16 WrapperNode [2018-07-23 22:02:16,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 22:02:16,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 22:02:16,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 22:02:16,448 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 22:02:16,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:02:16" (1/1) ... [2018-07-23 22:02:16,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:02:16" (1/1) ... [2018-07-23 22:02:16,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 22:02:16,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 22:02:16,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 22:02:16,651 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 22:02:16,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:02:16" (1/1) ... [2018-07-23 22:02:16,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:02:16" (1/1) ... [2018-07-23 22:02:16,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:02:16" (1/1) ... [2018-07-23 22:02:16,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:02:16" (1/1) ... [2018-07-23 22:02:16,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:02:16" (1/1) ... [2018-07-23 22:02:16,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:02:16" (1/1) ... [2018-07-23 22:02:17,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:02:16" (1/1) ... [2018-07-23 22:02:17,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 22:02:17,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 22:02:17,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 22:02:17,038 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 22:02:17,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:02:16" (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 [2018-07-23 22:02:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 22:02:17,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 22:02:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-23 22:02:17,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-23 22:02:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 22:02:17,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 22:02:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 22:02:17,110 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 22:02:22,629 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 22:02:22,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:02:22 BoogieIcfgContainer [2018-07-23 22:02:22,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 22:02:22,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 22:02:22,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 22:02:22,641 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 22:02:22,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 10:02:15" (1/3) ... [2018-07-23 22:02:22,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d458f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:02:22, skipping insertion in model container [2018-07-23 22:02:22,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:02:16" (2/3) ... [2018-07-23 22:02:22,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d458f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:02:22, skipping insertion in model container [2018-07-23 22:02:22,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:02:22" (3/3) ... [2018-07-23 22:02:22,646 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label25_true-unreach-call.c [2018-07-23 22:02:22,659 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 22:02:22,672 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 22:02:22,732 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 22:02:22,733 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 22:02:22,733 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 22:02:22,734 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 22:02:22,734 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 22:02:22,734 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 22:02:22,734 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 22:02:22,734 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 22:02:22,735 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 22:02:22,767 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-07-23 22:02:22,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-07-23 22:02:22,775 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:02:22,776 INFO L353 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] [2018-07-23 22:02:22,777 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:02:22,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1384704100, now seen corresponding path program 1 times [2018-07-23 22:02:22,787 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:02:22,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:02:22,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:02:22,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:02:22,837 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:02:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:02:23,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:02:23,231 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:02:23,231 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 22:02:23,232 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:02:23,238 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 22:02:23,254 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 22:02:23,254 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:02:23,257 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 4 states. [2018-07-23 22:02:26,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:02:26,463 INFO L93 Difference]: Finished difference Result 982 states and 1758 transitions. [2018-07-23 22:02:26,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 22:02:26,465 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2018-07-23 22:02:26,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:02:26,490 INFO L225 Difference]: With dead ends: 982 [2018-07-23 22:02:26,490 INFO L226 Difference]: Without dead ends: 683 [2018-07-23 22:02:26,499 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:02:26,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2018-07-23 22:02:26,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 683. [2018-07-23 22:02:26,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 683 states. [2018-07-23 22:02:26,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 1005 transitions. [2018-07-23 22:02:26,599 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 1005 transitions. Word has length 38 [2018-07-23 22:02:26,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:02:26,600 INFO L471 AbstractCegarLoop]: Abstraction has 683 states and 1005 transitions. [2018-07-23 22:02:26,600 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 22:02:26,600 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1005 transitions. [2018-07-23 22:02:26,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-07-23 22:02:26,607 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:02:26,607 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:02:26,608 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:02:26,608 INFO L82 PathProgramCache]: Analyzing trace with hash -689587928, now seen corresponding path program 1 times [2018-07-23 22:02:26,608 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:02:26,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:02:26,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:02:26,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:02:26,610 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:02:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:02:26,899 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:02:26,899 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:02:26,899 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 22:02:26,900 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:02:26,902 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 22:02:26,902 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 22:02:26,902 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:02:26,903 INFO L87 Difference]: Start difference. First operand 683 states and 1005 transitions. Second operand 4 states. [2018-07-23 22:02:31,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:02:31,289 INFO L93 Difference]: Finished difference Result 2516 states and 3860 transitions. [2018-07-23 22:02:31,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 22:02:31,292 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2018-07-23 22:02:31,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:02:31,309 INFO L225 Difference]: With dead ends: 2516 [2018-07-23 22:02:31,309 INFO L226 Difference]: Without dead ends: 1839 [2018-07-23 22:02:31,316 INFO L573 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 [2018-07-23 22:02:31,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1839 states. [2018-07-23 22:02:31,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1839 to 1821. [2018-07-23 22:02:31,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1821 states. [2018-07-23 22:02:31,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1821 states and 2605 transitions. [2018-07-23 22:02:31,427 INFO L78 Accepts]: Start accepts. Automaton has 1821 states and 2605 transitions. Word has length 112 [2018-07-23 22:02:31,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:02:31,429 INFO L471 AbstractCegarLoop]: Abstraction has 1821 states and 2605 transitions. [2018-07-23 22:02:31,429 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 22:02:31,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2605 transitions. [2018-07-23 22:02:31,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-07-23 22:02:31,445 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:02:31,445 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:02:31,446 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:02:31,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1395577671, now seen corresponding path program 1 times [2018-07-23 22:02:31,446 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:02:31,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:02:31,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:02:31,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:02:31,448 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:02:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:02:31,780 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:02:31,781 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:02:31,781 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:02:31,782 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 134 with the following transitions: [2018-07-23 22:02:31,784 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], [205], [207], [210], [218], [226], [234], [242], [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], [594], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-07-23 22:02:31,853 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:02:31,854 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:02:44,499 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 22:02:44,501 INFO L272 AbstractInterpreter]: Visited 99 different actions 99 times. Never merged. Never widened. Never found a fixpoint. Largest state had 28 variables. [2018-07-23 22:02:44,537 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 22:02:50,007 INFO L232 lantSequenceWeakener]: Weakened 128 states. On average, predicates are now at 73.62% of their original sizes. [2018-07-23 22:02:50,008 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 22:02:50,536 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 22:02:50,537 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 22:02:50,537 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2018-07-23 22:02:50,537 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:02:50,538 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 22:02:50,538 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 22:02:50,538 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-23 22:02:50,539 INFO L87 Difference]: Start difference. First operand 1821 states and 2605 transitions. Second operand 7 states. [2018-07-23 22:03:17,029 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 22:04:06,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:04:06,345 INFO L93 Difference]: Finished difference Result 3828 states and 5458 transitions. [2018-07-23 22:04:06,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 22:04:06,345 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 133 [2018-07-23 22:04:06,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:04:06,357 INFO L225 Difference]: With dead ends: 3828 [2018-07-23 22:04:06,357 INFO L226 Difference]: Without dead ends: 2013 [2018-07-23 22:04:06,364 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 133 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-07-23 22:04:06,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2013 states. [2018-07-23 22:04:06,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2013 to 2011. [2018-07-23 22:04:06,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2011 states. [2018-07-23 22:04:06,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 2011 states and 2805 transitions. [2018-07-23 22:04:06,423 INFO L78 Accepts]: Start accepts. Automaton has 2011 states and 2805 transitions. Word has length 133 [2018-07-23 22:04:06,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:04:06,423 INFO L471 AbstractCegarLoop]: Abstraction has 2011 states and 2805 transitions. [2018-07-23 22:04:06,424 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 22:04:06,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 2805 transitions. [2018-07-23 22:04:06,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-07-23 22:04:06,430 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:04:06,430 INFO L353 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-23 22:04:06,431 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:04:06,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1119037538, now seen corresponding path program 1 times [2018-07-23 22:04:06,431 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:04:06,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:04:06,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:04:06,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:04:06,432 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:04:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:04:07,142 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-07-23 22:04:07,143 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:04:07,143 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:04:07,143 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 251 with the following transitions: [2018-07-23 22:04:07,144 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], [205], [207], [210], [218], [226], [234], [242], [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], [594], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-07-23 22:04:07,156 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:04:07,156 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:04:30,143 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-07-23 22:06:12,547 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-23 22:06:12,548 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-23 22:06:12,549 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-23 22:06:12,549 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:06:12,549 INFO L191 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 [2018-07-23 22:06:12,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:06:12,559 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-23 22:06:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:06:12,702 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 22:06:12,738 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-23 22:06:12,939 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 22:06:12,940 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 22:06:12,945 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 22:06:12,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 10:06:12 BoogieIcfgContainer [2018-07-23 22:06:12,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 22:06:12,948 INFO L168 Benchmark]: Toolchain (without parser) took 237438.98 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 863.2 MB in the end (delta: 570.2 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2018-07-23 22:06:12,950 INFO L168 Benchmark]: CDTParser took 0.26 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. [2018-07-23 22:06:12,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 935.75 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-07-23 22:06:12,952 INFO L168 Benchmark]: Boogie Procedure Inliner took 203.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 22:06:12,952 INFO L168 Benchmark]: Boogie Preprocessor took 386.69 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 834.1 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -957.2 MB). Peak memory consumption was 51.9 MB. Max. memory is 7.1 GB. [2018-07-23 22:06:12,953 INFO L168 Benchmark]: RCFGBuilder took 5592.47 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 197.1 MB). Peak memory consumption was 197.1 MB. Max. memory is 7.1 GB. [2018-07-23 22:06:12,954 INFO L168 Benchmark]: TraceAbstraction took 230310.82 ms. Allocated memory was 2.4 GB in the beginning and 3.7 GB in the end (delta: 1.4 GB). Free memory was 2.1 GB in the beginning and 863.2 MB in the end (delta: 1.2 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-07-23 22:06:12,959 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 935.75 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 203.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 386.69 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 834.1 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -957.2 MB). Peak memory consumption was 51.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5592.47 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 197.1 MB). Peak memory consumption was 197.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 230310.82 ms. Allocated memory was 2.4 GB in the beginning and 3.7 GB in the end (delta: 1.4 GB). Free memory was 2.1 GB in the beginning and 863.2 MB in the end (delta: 1.2 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 99). Cancelled while BasicCegarLoop was analyzing trace of length 251 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 7 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 230.2s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 83.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 933 SDtfs, 1330 SDslu, 480 SDs, 0 SdLazy, 2492 SolverSat, 791 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 68.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 144 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2011occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 138.1s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9940175565175564 AbsIntWeakeningRatio, 0.16666666666666666 AbsIntAvgWeakeningVarsNumRemoved, 1201.1969696969697 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 20 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 283 NumberOfCodeBlocks, 283 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 280 ConstructedInterpolants, 0 QuantifiedInterpolants, 87587 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 31/62 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/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label25_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_22-06-12-983.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label25_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_22-06-12-983.csv Completed graceful shutdown