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/Problem14_label07_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 22:28:16,317 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 22:28:16,320 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 22:28:16,332 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 22:28:16,332 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 22:28:16,333 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 22:28:16,335 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 22:28:16,337 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 22:28:16,338 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 22:28:16,339 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 22:28:16,340 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 22:28:16,341 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 22:28:16,342 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 22:28:16,343 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 22:28:16,344 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 22:28:16,344 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 22:28:16,345 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 22:28:16,347 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 22:28:16,349 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 22:28:16,351 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 22:28:16,352 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 22:28:16,357 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 22:28:16,360 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 22:28:16,360 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 22:28:16,361 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 22:28:16,361 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 22:28:16,362 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 22:28:16,363 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 22:28:16,364 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 22:28:16,365 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 22:28:16,365 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 22:28:16,366 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 22:28:16,366 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 22:28:16,366 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 22:28:16,367 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 22:28:16,368 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 22:28:16,368 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 22:28:16,383 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 22:28:16,383 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 22:28:16,384 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 22:28:16,384 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 22:28:16,384 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 22:28:16,384 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 22:28:16,385 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 22:28:16,385 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 22:28:16,385 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 22:28:16,385 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 22:28:16,385 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 22:28:16,386 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 22:28:16,386 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 22:28:16,386 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 22:28:16,387 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 22:28:16,387 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 22:28:16,387 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 22:28:16,387 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 22:28:16,387 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 22:28:16,388 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 22:28:16,388 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 22:28:16,388 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 22:28:16,388 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 22:28:16,388 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 22:28:16,389 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 22:28:16,389 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 22:28:16,389 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 22:28:16,389 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 22:28:16,389 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 22:28:16,389 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 22:28:16,390 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 22:28:16,390 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 22:28:16,390 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 22:28:16,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 22:28:16,450 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 22:28:16,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 22:28:16,455 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 22:28:16,456 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 22:28:16,457 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-07-23 22:28:16,802 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a256540/1e26612355004bdf9ed36c27c82cab01/FLAGf198d2651 [2018-07-23 22:28:17,124 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 22:28:17,125 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-07-23 22:28:17,158 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a256540/1e26612355004bdf9ed36c27c82cab01/FLAGf198d2651 [2018-07-23 22:28:17,180 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a256540/1e26612355004bdf9ed36c27c82cab01 [2018-07-23 22:28:17,195 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 22:28:17,197 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 22:28:17,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 22:28:17,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 22:28:17,210 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 22:28:17,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:28:17" (1/1) ... [2018-07-23 22:28:17,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a3acb40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:28:17, skipping insertion in model container [2018-07-23 22:28:17,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:28:17" (1/1) ... [2018-07-23 22:28:17,440 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 22:28:17,768 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:28:17,787 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 22:28:17,960 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:28:18,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:28:18 WrapperNode [2018-07-23 22:28:18,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 22:28:18,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 22:28:18,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 22:28:18,030 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 22:28:18,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:28:18" (1/1) ... [2018-07-23 22:28:18,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:28:18" (1/1) ... [2018-07-23 22:28:18,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 22:28:18,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 22:28:18,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 22:28:18,185 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 22:28:18,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:28:18" (1/1) ... [2018-07-23 22:28:18,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:28:18" (1/1) ... [2018-07-23 22:28:18,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:28:18" (1/1) ... [2018-07-23 22:28:18,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:28:18" (1/1) ... [2018-07-23 22:28:18,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:28:18" (1/1) ... [2018-07-23 22:28:18,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:28:18" (1/1) ... [2018-07-23 22:28:18,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:28:18" (1/1) ... [2018-07-23 22:28:18,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 22:28:18,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 22:28:18,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 22:28:18,487 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 22:28:18,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:28:18" (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 22:28:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-23 22:28:18,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-23 22:28:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 22:28:18,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 22:28:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 22:28:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 22:28:18,558 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 22:28:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 22:28:22,438 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 22:28:22,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:28:22 BoogieIcfgContainer [2018-07-23 22:28:22,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 22:28:22,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 22:28:22,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 22:28:22,448 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 22:28:22,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 10:28:17" (1/3) ... [2018-07-23 22:28:22,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144174be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:28:22, skipping insertion in model container [2018-07-23 22:28:22,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:28:18" (2/3) ... [2018-07-23 22:28:22,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144174be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:28:22, skipping insertion in model container [2018-07-23 22:28:22,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:28:22" (3/3) ... [2018-07-23 22:28:22,452 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label07_true-unreach-call_false-termination.c [2018-07-23 22:28:22,461 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 22:28:22,470 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 22:28:22,526 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 22:28:22,527 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 22:28:22,527 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 22:28:22,527 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 22:28:22,527 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 22:28:22,528 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 22:28:22,528 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 22:28:22,528 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 22:28:22,528 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 22:28:22,555 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-07-23 22:28:22,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-07-23 22:28:22,565 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:28:22,566 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:28:22,567 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:28:22,572 INFO L82 PathProgramCache]: Analyzing trace with hash 696412100, now seen corresponding path program 1 times [2018-07-23 22:28:22,576 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:28:22,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:28:22,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:28:22,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:28:22,623 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:28:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:28:23,010 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 22:28:23,127 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 22:28:23,130 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:28:23,130 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 22:28:23,131 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:28:23,137 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 22:28:23,155 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 22:28:23,156 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 22:28:23,159 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-07-23 22:28:24,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:28:24,923 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-07-23 22:28:24,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 22:28:24,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-07-23 22:28:24,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:28:24,946 INFO L225 Difference]: With dead ends: 691 [2018-07-23 22:28:24,947 INFO L226 Difference]: Without dead ends: 434 [2018-07-23 22:28:24,955 INFO L573 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 [2018-07-23 22:28:24,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-07-23 22:28:25,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-07-23 22:28:25,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-07-23 22:28:25,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 765 transitions. [2018-07-23 22:28:25,053 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 765 transitions. Word has length 54 [2018-07-23 22:28:25,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:28:25,054 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 765 transitions. [2018-07-23 22:28:25,054 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 22:28:25,054 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 765 transitions. [2018-07-23 22:28:25,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-07-23 22:28:25,062 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:28:25,062 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, 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 22:28:25,063 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:28:25,063 INFO L82 PathProgramCache]: Analyzing trace with hash 947265864, now seen corresponding path program 1 times [2018-07-23 22:28:25,063 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:28:25,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:28:25,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:28:25,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:28:25,065 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:28:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:28:25,449 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:28:25,449 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:28:25,449 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 22:28:25,449 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:28:25,452 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 22:28:25,452 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 22:28:25,452 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 22:28:25,453 INFO L87 Difference]: Start difference. First operand 434 states and 765 transitions. Second operand 6 states. [2018-07-23 22:28:29,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:28:29,091 INFO L93 Difference]: Finished difference Result 1588 states and 2935 transitions. [2018-07-23 22:28:29,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 22:28:29,094 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2018-07-23 22:28:29,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:28:29,106 INFO L225 Difference]: With dead ends: 1588 [2018-07-23 22:28:29,107 INFO L226 Difference]: Without dead ends: 1160 [2018-07-23 22:28:29,111 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 22:28:29,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2018-07-23 22:28:29,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1153. [2018-07-23 22:28:29,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1153 states. [2018-07-23 22:28:29,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1887 transitions. [2018-07-23 22:28:29,180 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1887 transitions. Word has length 124 [2018-07-23 22:28:29,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:28:29,181 INFO L471 AbstractCegarLoop]: Abstraction has 1153 states and 1887 transitions. [2018-07-23 22:28:29,181 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 22:28:29,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1887 transitions. [2018-07-23 22:28:29,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-07-23 22:28:29,196 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:28:29,197 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:29,197 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:28:29,197 INFO L82 PathProgramCache]: Analyzing trace with hash -7879032, now seen corresponding path program 1 times [2018-07-23 22:28:29,197 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:28:29,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:28:29,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:28:29,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:28:29,199 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:28:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:28:29,771 WARN L169 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 10 [2018-07-23 22:28:29,956 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:28:29,956 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:28:29,956 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-07-23 22:28:29,957 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:28:29,957 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 22:28:29,958 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 22:28:29,958 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-07-23 22:28:29,958 INFO L87 Difference]: Start difference. First operand 1153 states and 1887 transitions. Second operand 7 states. [2018-07-23 22:28:35,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:28:35,678 INFO L93 Difference]: Finished difference Result 4187 states and 7206 transitions. [2018-07-23 22:28:35,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 22:28:35,680 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 220 [2018-07-23 22:28:35,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:28:35,706 INFO L225 Difference]: With dead ends: 4187 [2018-07-23 22:28:35,706 INFO L226 Difference]: Without dead ends: 3040 [2018-07-23 22:28:35,722 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-07-23 22:28:35,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3040 states. [2018-07-23 22:28:35,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3040 to 2856. [2018-07-23 22:28:35,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2856 states. [2018-07-23 22:28:35,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 2856 states and 4081 transitions. [2018-07-23 22:28:35,847 INFO L78 Accepts]: Start accepts. Automaton has 2856 states and 4081 transitions. Word has length 220 [2018-07-23 22:28:35,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:28:35,848 INFO L471 AbstractCegarLoop]: Abstraction has 2856 states and 4081 transitions. [2018-07-23 22:28:35,848 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 22:28:35,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2856 states and 4081 transitions. [2018-07-23 22:28:35,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2018-07-23 22:28:35,862 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:28:35,862 INFO L353 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, 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, 2, 2, 2, 2, 2, 2, 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] [2018-07-23 22:28:35,862 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:28:35,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1091742600, now seen corresponding path program 1 times [2018-07-23 22:28:35,863 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:28:35,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:28:35,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:28:35,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:28:35,864 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:28:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:28:36,187 WARN L169 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 22:28:36,805 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 147 proven. 191 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-07-23 22:28:36,805 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:28:36,806 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:28:36,807 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 397 with the following transitions: [2018-07-23 22:28:36,809 INFO L201 CegarAbsIntRunner]: [0], [7], [15], [23], [31], [39], [47], [55], [63], [71], [79], [87], [95], [103], [111], [119], [127], [135], [143], [151], [159], [167], [175], [183], [191], [199], [207], [215], [223], [231], [239], [247], [255], [263], [271], [279], [287], [295], [303], [311], [319], [327], [331], [333], [336], [344], [352], [360], [368], [376], [384], [392], [400], [408], [416], [424], [432], [440], [448], [456], [464], [472], [480], [488], [493], [497], [501], [505], [509], [513], [517], [521], [525], [529], [532], [533], [537], [541], [545], [549], [553], [557], [561], [565], [569], [573], [577], [581], [585], [589], [593], [597], [601], [605], [609], [613], [617], [621], [625], [629], [633], [637], [641], [645], [649], [652], [653], [657], [661], [665], [669], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [820], [946], [947], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-07-23 22:28:36,920 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:28:36,920 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:28:47,133 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 22:28:47,135 INFO L272 AbstractInterpreter]: Visited 158 different actions 158 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-07-23 22:28:47,179 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 22:28:55,217 INFO L232 lantSequenceWeakener]: Weakened 385 states. On average, predicates are now at 77.77% of their original sizes. [2018-07-23 22:28:55,217 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 22:28:55,681 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 22:28:55,682 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 22:28:55,683 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-07-23 22:28:55,683 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:28:55,684 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-23 22:28:55,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-23 22:28:55,685 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-07-23 22:28:55,685 INFO L87 Difference]: Start difference. First operand 2856 states and 4081 transitions. Second operand 8 states. [2018-07-23 22:29:08,058 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 22:29:16,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:29:16,010 INFO L93 Difference]: Finished difference Result 5891 states and 8386 transitions. [2018-07-23 22:29:16,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 22:29:16,011 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 396 [2018-07-23 22:29:16,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:29:16,030 INFO L225 Difference]: With dead ends: 5891 [2018-07-23 22:29:16,030 INFO L226 Difference]: Without dead ends: 3041 [2018-07-23 22:29:16,039 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 397 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-07-23 22:29:16,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3041 states. [2018-07-23 22:29:16,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3041 to 3039. [2018-07-23 22:29:16,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3039 states. [2018-07-23 22:29:16,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3039 states to 3039 states and 4272 transitions. [2018-07-23 22:29:16,134 INFO L78 Accepts]: Start accepts. Automaton has 3039 states and 4272 transitions. Word has length 396 [2018-07-23 22:29:16,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:29:16,135 INFO L471 AbstractCegarLoop]: Abstraction has 3039 states and 4272 transitions. [2018-07-23 22:29:16,135 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-23 22:29:16,135 INFO L276 IsEmpty]: Start isEmpty. Operand 3039 states and 4272 transitions. [2018-07-23 22:29:16,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2018-07-23 22:29:16,152 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:29:16,153 INFO L353 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 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] [2018-07-23 22:29:16,153 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:29:16,154 INFO L82 PathProgramCache]: Analyzing trace with hash 874753685, now seen corresponding path program 1 times [2018-07-23 22:29:16,154 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:29:16,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:29:16,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:29:16,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:29:16,155 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:29:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:29:16,885 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 281 proven. 186 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2018-07-23 22:29:16,885 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:29:16,885 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:29:16,886 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 482 with the following transitions: [2018-07-23 22:29:16,886 INFO L201 CegarAbsIntRunner]: [0], [7], [15], [23], [31], [39], [47], [55], [63], [71], [79], [87], [95], [103], [111], [119], [127], [135], [143], [151], [159], [167], [175], [183], [191], [199], [207], [215], [223], [231], [239], [247], [255], [263], [271], [279], [287], [295], [303], [311], [319], [327], [331], [333], [336], [344], [352], [360], [368], [376], [384], [392], [400], [408], [416], [424], [432], [440], [448], [456], [464], [472], [480], [488], [493], [497], [501], [505], [509], [513], [517], [521], [525], [529], [532], [533], [537], [541], [545], [549], [552], [553], [557], [561], [565], [569], [573], [577], [581], [585], [589], [593], [597], [601], [605], [609], [613], [617], [621], [625], [629], [633], [637], [641], [645], [649], [652], [653], [657], [661], [665], [669], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [820], [946], [947], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-07-23 22:29:16,898 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:29:16,899 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:29:42,538 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 22:29:42,538 INFO L272 AbstractInterpreter]: Visited 162 different actions 317 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-23 22:29:42,544 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 22:29:58,149 INFO L232 lantSequenceWeakener]: Weakened 479 states. On average, predicates are now at 77.72% of their original sizes. [2018-07-23 22:29:58,149 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 22:30:00,054 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 22:30:00,054 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 22:30:00,054 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2018-07-23 22:30:00,055 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:30:00,055 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 22:30:00,056 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 22:30:00,056 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-07-23 22:30:00,057 INFO L87 Difference]: Start difference. First operand 3039 states and 4272 transitions. Second operand 12 states. [2018-07-23 22:30:46,140 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 22:31:14,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:31:14,649 INFO L93 Difference]: Finished difference Result 6261 states and 8819 transitions. [2018-07-23 22:31:14,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 22:31:14,649 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 481 [2018-07-23 22:31:14,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:31:14,667 INFO L225 Difference]: With dead ends: 6261 [2018-07-23 22:31:14,667 INFO L226 Difference]: Without dead ends: 3411 [2018-07-23 22:31:14,677 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 488 GetRequests, 428 SyntacticMatches, 42 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-07-23 22:31:14,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3411 states. [2018-07-23 22:31:14,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3411 to 3408. [2018-07-23 22:31:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3408 states. [2018-07-23 22:31:14,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3408 states to 3408 states and 4658 transitions. [2018-07-23 22:31:14,763 INFO L78 Accepts]: Start accepts. Automaton has 3408 states and 4658 transitions. Word has length 481 [2018-07-23 22:31:14,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:31:14,764 INFO L471 AbstractCegarLoop]: Abstraction has 3408 states and 4658 transitions. [2018-07-23 22:31:14,764 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 22:31:14,764 INFO L276 IsEmpty]: Start isEmpty. Operand 3408 states and 4658 transitions. [2018-07-23 22:31:14,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2018-07-23 22:31:14,784 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:31:14,784 INFO L353 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-07-23 22:31:14,785 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:31:14,785 INFO L82 PathProgramCache]: Analyzing trace with hash -851474879, now seen corresponding path program 1 times [2018-07-23 22:31:14,785 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:31:14,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:31:14,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:31:14,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:31:14,787 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:31:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:31:15,157 WARN L169 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-07-23 22:31:15,437 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 336 proven. 285 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-07-23 22:31:15,437 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:31:15,438 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:31:15,438 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 508 with the following transitions: [2018-07-23 22:31:15,438 INFO L201 CegarAbsIntRunner]: [0], [7], [15], [23], [31], [39], [47], [55], [63], [71], [79], [87], [95], [103], [111], [119], [127], [135], [143], [151], [159], [167], [175], [183], [191], [199], [207], [215], [223], [231], [239], [247], [255], [263], [271], [279], [287], [295], [303], [311], [319], [327], [331], [333], [336], [344], [352], [360], [368], [376], [384], [392], [400], [408], [416], [424], [432], [440], [448], [456], [464], [472], [480], [488], [493], [497], [501], [505], [509], [513], [517], [521], [525], [529], [532], [533], [537], [541], [545], [549], [553], [557], [561], [565], [569], [573], [577], [581], [585], [589], [593], [597], [601], [605], [609], [613], [617], [621], [625], [629], [633], [637], [641], [645], [649], [652], [653], [656], [657], [661], [665], [669], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [820], [946], [947], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-07-23 22:31:15,445 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:31:15,446 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:31:42,121 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-07-23 22:32:01,178 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-23 22:32:01,179 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-23 22:32:01,180 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-23 22:32:01,180 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:32:01,181 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 22:32:01,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:32:01,195 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-23 22:32:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:32:01,400 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 22:32:01,431 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-23 22:32:01,632 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 22:32:01,632 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 22:32:01,637 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 22:32:01,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 10:32:01 BoogieIcfgContainer [2018-07-23 22:32:01,638 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 22:32:01,639 INFO L168 Benchmark]: Toolchain (without parser) took 224442.97 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-07-23 22:32:01,640 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 22:32:01,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 830.69 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-07-23 22:32:01,641 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.44 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 22:32:01,642 INFO L168 Benchmark]: Boogie Preprocessor took 302.23 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 780.1 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -878.9 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. [2018-07-23 22:32:01,643 INFO L168 Benchmark]: RCFGBuilder took 3952.37 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 140.3 MB). Peak memory consumption was 140.3 MB. Max. memory is 7.1 GB. [2018-07-23 22:32:01,644 INFO L168 Benchmark]: TraceAbstraction took 219197.91 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.5 GB in the end (delta: -382.1 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-07-23 22:32:01,649 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 830.69 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 154.44 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 302.23 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 780.1 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -878.9 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3952.37 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 140.3 MB). Peak memory consumption was 140.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 219197.91 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.5 GB in the end (delta: -382.1 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 145]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 145). Cancelled while BasicCegarLoop was analyzing trace of length 508 with TraceHistMax 5, 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, 255 locations, 1 error locations. TIMEOUT Result, 219.1s OverallTime, 6 OverallIterations, 5 TraceHistogramMax, 106.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 760 SDtfs, 3498 SDslu, 805 SDs, 0 SdLazy, 5631 SolverSat, 1178 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 71.6s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 916 GetRequests, 823 SyntacticMatches, 47 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3408occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 81.7s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9967204968944098 AbsIntWeakeningRatio, 0.08 AbsIntAvgWeakeningVarsNumRemoved, 423.04914285714284 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 196 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1275 NumberOfCodeBlocks, 1275 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1270 ConstructedInterpolants, 0 QuantifiedInterpolants, 1472114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 836/1213 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/Problem14_label07_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_22-32-01-663.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem14_label07_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_22-32-01-663.csv Completed graceful shutdown