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/Problem15_label32_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 18:27:24,455 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 18:27:24,458 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 18:27:24,473 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 18:27:24,474 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 18:27:24,475 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 18:27:24,476 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 18:27:24,481 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 18:27:24,482 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 18:27:24,484 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 18:27:24,485 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 18:27:24,485 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 18:27:24,486 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 18:27:24,487 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 18:27:24,492 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 18:27:24,493 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 18:27:24,494 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 18:27:24,508 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 18:27:24,510 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 18:27:24,511 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 18:27:24,512 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 18:27:24,513 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 18:27:24,516 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-21 18:27:24,527 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-21 18:27:24,527 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-21 18:27:24,532 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-21 18:27:24,533 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-21 18:27:24,533 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 18:27:24,557 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 18:27:24,557 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 18:27:24,558 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 18:27:24,560 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 18:27:24,560 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 18:27:24,561 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 18:27:24,561 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 18:27:24,561 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 18:27:24,561 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 18:27:24,561 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 18:27:24,562 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 18:27:24,562 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 18:27:24,562 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 18:27:24,563 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 18:27:24,563 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 18:27:24,563 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 18:27:24,563 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 18:27:24,563 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 18:27:24,564 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 18:27:24,565 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 18:27:24,565 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 18:27:24,565 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 18:27:24,565 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 18:27:24,566 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 18:27:24,566 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 18:27:24,566 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 18:27:24,566 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 18:27:24,566 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 18:27:24,567 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 18:27:24,567 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 18:27:24,567 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 18:27:24,567 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 18:27:24,567 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 18:27:24,568 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 18:27:24,568 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 18:27:24,619 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 18:27:24,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 18:27:24,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 18:27:24,642 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 18:27:24,642 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 18:27:24,643 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label32_true-unreach-call.c [2018-07-21 18:27:25,014 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/1c3281228/005e70ddf9a84194a7ab3ff5515e6de2/FLAG1163c965f [2018-07-21 18:27:25,400 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 18:27:25,401 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label32_true-unreach-call.c [2018-07-21 18:27:25,428 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/1c3281228/005e70ddf9a84194a7ab3ff5515e6de2/FLAG1163c965f [2018-07-21 18:27:25,482 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/1c3281228/005e70ddf9a84194a7ab3ff5515e6de2 [2018-07-21 18:27:25,491 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 18:27:25,496 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 18:27:25,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 18:27:25,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 18:27:25,505 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 18:27:25,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 06:27:25" (1/1) ... [2018-07-21 18:27:25,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dcdf00a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:27:25, skipping insertion in model container [2018-07-21 18:27:25,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 06:27:25" (1/1) ... [2018-07-21 18:27:25,793 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 18:27:26,542 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 18:27:26,568 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 18:27:26,962 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 18:27:27,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:27:27 WrapperNode [2018-07-21 18:27:27,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 18:27:27,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 18:27:27,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 18:27:27,083 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 18:27:27,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:27:27" (1/1) ... [2018-07-21 18:27:27,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:27:27" (1/1) ... [2018-07-21 18:27:27,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 18:27:27,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 18:27:27,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 18:27:27,321 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 18:27:27,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:27:27" (1/1) ... [2018-07-21 18:27:27,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:27:27" (1/1) ... [2018-07-21 18:27:27,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:27:27" (1/1) ... [2018-07-21 18:27:27,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:27:27" (1/1) ... [2018-07-21 18:27:27,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:27:27" (1/1) ... [2018-07-21 18:27:27,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:27:27" (1/1) ... [2018-07-21 18:27:27,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:27:27" (1/1) ... [2018-07-21 18:27:28,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 18:27:28,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 18:27:28,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 18:27:28,128 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 18:27:28,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:27:27" (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 18:27:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 18:27:28,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 18:27:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 18:27:28,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 18:27:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 18:27:28,201 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 18:27:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-21 18:27:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-21 18:27:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-21 18:27:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-21 18:27:35,540 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 18:27:35,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 06:27:35 BoogieIcfgContainer [2018-07-21 18:27:35,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 18:27:35,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 18:27:35,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 18:27:35,545 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 18:27:35,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 06:27:25" (1/3) ... [2018-07-21 18:27:35,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95d824d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 06:27:35, skipping insertion in model container [2018-07-21 18:27:35,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:27:27" (2/3) ... [2018-07-21 18:27:35,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95d824d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 06:27:35, skipping insertion in model container [2018-07-21 18:27:35,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 06:27:35" (3/3) ... [2018-07-21 18:27:35,549 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label32_true-unreach-call.c [2018-07-21 18:27:35,558 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 18:27:35,568 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 18:27:35,629 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 18:27:35,630 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 18:27:35,630 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 18:27:35,630 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 18:27:35,630 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 18:27:35,630 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 18:27:35,630 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 18:27:35,630 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 18:27:35,631 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 18:27:35,662 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-07-21 18:27:35,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-07-21 18:27:35,674 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 18:27:35,675 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 18:27:35,675 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 18:27:35,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1807497972, now seen corresponding path program 1 times [2018-07-21 18:27:35,682 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 18:27:35,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 18:27:35,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 18:27:35,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 18:27:35,736 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 18:27:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 18:27:36,159 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 18:27:36,269 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 18:27:36,272 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 18:27:36,272 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-21 18:27:36,272 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 18:27:36,276 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-21 18:27:36,292 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-21 18:27:36,292 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 18:27:36,295 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 3 states. [2018-07-21 18:27:40,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 18:27:40,131 INFO L93 Difference]: Finished difference Result 1192 states and 2147 transitions. [2018-07-21 18:27:40,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-21 18:27:40,133 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2018-07-21 18:27:40,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 18:27:40,157 INFO L225 Difference]: With dead ends: 1192 [2018-07-21 18:27:40,157 INFO L226 Difference]: Without dead ends: 752 [2018-07-21 18:27:40,168 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 18:27:40,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2018-07-21 18:27:40,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 752. [2018-07-21 18:27:40,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2018-07-21 18:27:40,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1322 transitions. [2018-07-21 18:27:40,270 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1322 transitions. Word has length 56 [2018-07-21 18:27:40,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 18:27:40,270 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 1322 transitions. [2018-07-21 18:27:40,270 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-21 18:27:40,271 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1322 transitions. [2018-07-21 18:27:40,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-07-21 18:27:40,282 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 18:27:40,283 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, 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] [2018-07-21 18:27:40,283 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 18:27:40,283 INFO L82 PathProgramCache]: Analyzing trace with hash 913796746, now seen corresponding path program 1 times [2018-07-21 18:27:40,283 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 18:27:40,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 18:27:40,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 18:27:40,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 18:27:40,287 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 18:27:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 18:27:40,724 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 18:27:40,724 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 18:27:40,746 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 18:27:40,747 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 138 with the following transitions: [2018-07-21 18:27:40,749 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [98], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [570], [578], [586], [591], [595], [606], [610], [614], [618], [622], [626], [630], [634], [638], [641], [1659], [1660], [1661], [1662], [1664], [1665] [2018-07-21 18:27:40,819 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 18:27:40,819 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 18:27:46,834 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 18:27:46,902 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 18:27:46,903 INFO L272 AbstractInterpreter]: Visited 85 different actions 85 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-07-21 18:27:46,924 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 18:27:52,291 INFO L232 lantSequenceWeakener]: Weakened 132 states. On average, predicates are now at 78.68% of their original sizes. [2018-07-21 18:27:52,313 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 18:27:53,048 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 18:27:53,049 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 18:27:53,050 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2018-07-21 18:27:53,050 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 18:27:53,052 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-21 18:27:53,052 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-21 18:27:53,053 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-21 18:27:53,053 INFO L87 Difference]: Start difference. First operand 752 states and 1322 transitions. Second operand 7 states. [2018-07-21 18:30:50,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 18:30:50,547 INFO L93 Difference]: Finished difference Result 1808 states and 3199 transitions. [2018-07-21 18:30:50,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 18:30:50,547 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 137 [2018-07-21 18:30:50,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 18:30:50,558 INFO L225 Difference]: With dead ends: 1808 [2018-07-21 18:30:50,558 INFO L226 Difference]: Without dead ends: 1062 [2018-07-21 18:30:50,562 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 137 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-07-21 18:30:50,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2018-07-21 18:30:50,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1060. [2018-07-21 18:30:50,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1060 states. [2018-07-21 18:30:50,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1637 transitions. [2018-07-21 18:30:50,654 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1637 transitions. Word has length 137 [2018-07-21 18:30:50,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 18:30:50,655 INFO L471 AbstractCegarLoop]: Abstraction has 1060 states and 1637 transitions. [2018-07-21 18:30:50,655 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-21 18:30:50,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1637 transitions. [2018-07-21 18:30:50,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-07-21 18:30:50,673 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 18:30:50,673 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, 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, 1, 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 18:30:50,673 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 18:30:50,674 INFO L82 PathProgramCache]: Analyzing trace with hash 2028734977, now seen corresponding path program 1 times [2018-07-21 18:30:50,674 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 18:30:50,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 18:30:50,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 18:30:50,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 18:30:50,675 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 18:30:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 18:30:51,638 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 48 proven. 124 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-07-21 18:30:51,638 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 18:30:51,639 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 18:30:51,639 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 234 with the following transitions: [2018-07-21 18:30:51,639 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [98], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [570], [578], [586], [591], [595], [606], [610], [614], [618], [622], [626], [630], [634], [638], [641], [642], [646], [650], [654], [665], [669], [673], [677], [681], [692], [696], [700], [704], [708], [712], [715], [1659], [1660], [1661], [1662], [1664], [1665] [2018-07-21 18:30:51,645 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 18:30:51,646 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-07-21 18:30:52,468 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-21 18:30:52,469 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-21 18:30:52,470 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-21 18:30:52,470 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 18:30:52,470 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 18:30:52,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 18:30:52,482 INFO L282 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-21 18:30:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 18:30:52,597 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 18:30:52,633 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-21 18:30:52,834 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 18:30:52,835 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 18:30:52,840 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 18:30:52,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 06:30:52 BoogieIcfgContainer [2018-07-21 18:30:52,841 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 18:30:52,842 INFO L168 Benchmark]: Toolchain (without parser) took 207350.50 ms. Allocated memory was 307.2 MB in the beginning and 3.1 GB in the end (delta: 2.8 GB). Free memory was 247.1 MB in the beginning and 1.2 GB in the end (delta: -937.1 MB). Peak memory consumption was 1.9 GB. Max. memory is 5.3 GB. [2018-07-21 18:30:52,843 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 307.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 18:30:52,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1585.07 ms. Allocated memory was 307.2 MB in the beginning and 330.3 MB in the end (delta: 23.1 MB). Free memory was 247.1 MB in the beginning and 235.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 71.6 MB. Max. memory is 5.3 GB. [2018-07-21 18:30:52,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 237.91 ms. Allocated memory is still 330.3 MB. Free memory was 235.6 MB in the beginning and 198.2 MB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 5.3 GB. [2018-07-21 18:30:52,848 INFO L168 Benchmark]: Boogie Preprocessor took 806.11 ms. Allocated memory was 330.3 MB in the beginning and 588.3 MB in the end (delta: 257.9 MB). Free memory was 198.2 MB in the beginning and 522.6 MB in the end (delta: -324.4 MB). Peak memory consumption was 64.7 MB. Max. memory is 5.3 GB. [2018-07-21 18:30:52,848 INFO L168 Benchmark]: RCFGBuilder took 7413.35 ms. Allocated memory was 588.3 MB in the beginning and 591.9 MB in the end (delta: 3.7 MB). Free memory was 522.6 MB in the beginning and 394.5 MB in the end (delta: 128.1 MB). Peak memory consumption was 203.9 MB. Max. memory is 5.3 GB. [2018-07-21 18:30:52,849 INFO L168 Benchmark]: TraceAbstraction took 197299.13 ms. Allocated memory was 591.9 MB in the beginning and 3.1 GB in the end (delta: 2.5 GB). Free memory was 394.5 MB in the beginning and 1.2 GB in the end (delta: -789.8 MB). Peak memory consumption was 1.7 GB. Max. memory is 5.3 GB. [2018-07-21 18:30:52,860 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 307.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 1585.07 ms. Allocated memory was 307.2 MB in the beginning and 330.3 MB in the end (delta: 23.1 MB). Free memory was 247.1 MB in the beginning and 235.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 71.6 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 237.91 ms. Allocated memory is still 330.3 MB. Free memory was 235.6 MB in the beginning and 198.2 MB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 806.11 ms. Allocated memory was 330.3 MB in the beginning and 588.3 MB in the end (delta: 257.9 MB). Free memory was 198.2 MB in the beginning and 522.6 MB in the end (delta: -324.4 MB). Peak memory consumption was 64.7 MB. Max. memory is 5.3 GB. * RCFGBuilder took 7413.35 ms. Allocated memory was 588.3 MB in the beginning and 591.9 MB in the end (delta: 3.7 MB). Free memory was 522.6 MB in the beginning and 394.5 MB in the end (delta: 128.1 MB). Peak memory consumption was 203.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 197299.13 ms. Allocated memory was 591.9 MB in the beginning and 3.1 GB in the end (delta: 2.5 GB). Free memory was 394.5 MB in the beginning and 1.2 GB in the end (delta: -789.8 MB). Peak memory consumption was 1.7 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 154]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 154). Cancelled while BasicCegarLoop was analyzing trace of length 234 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 13 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 197.2s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 181.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 668 SDtfs, 972 SDslu, 465 SDs, 0 SdLazy, 2274 SolverSat, 709 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 146.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 142 GetRequests, 133 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1060occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.0s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9938325873827794 AbsIntWeakeningRatio, 0.14705882352941177 AbsIntAvgWeakeningVarsNumRemoved, 37.669117647058826 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 193 NumberOfCodeBlocks, 193 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 191 ConstructedInterpolants, 0 QuantifiedInterpolants, 90106 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/49 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/Problem15_label32_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_18-30-52-875.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem15_label32_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_18-30-52-875.csv Completed graceful shutdown