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/Problem02_label51_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 08:16:41,561 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 08:16:41,564 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 08:16:41,577 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 08:16:41,577 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 08:16:41,578 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 08:16:41,580 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 08:16:41,587 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 08:16:41,589 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 08:16:41,590 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 08:16:41,591 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 08:16:41,591 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 08:16:41,592 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 08:16:41,593 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 08:16:41,594 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 08:16:41,595 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 08:16:41,596 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 08:16:41,598 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 08:16:41,600 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 08:16:41,601 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 08:16:41,603 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 08:16:41,604 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 08:16:41,606 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-21 08:16:41,607 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-21 08:16:41,607 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-21 08:16:41,608 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-21 08:16:41,609 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-21 08:16:41,610 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-21 08:16:41,610 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-21 08:16:41,612 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-21 08:16:41,612 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-21 08:16:41,613 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-21 08:16:41,613 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-21 08:16:41,613 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-21 08:16:41,614 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-21 08:16:41,615 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-21 08:16:41,615 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 08:16:41,635 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 08:16:41,635 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 08:16:41,636 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 08:16:41,636 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 08:16:41,636 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 08:16:41,637 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 08:16:41,637 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 08:16:41,637 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 08:16:41,637 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 08:16:41,637 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 08:16:41,637 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 08:16:41,638 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 08:16:41,638 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 08:16:41,639 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 08:16:41,640 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 08:16:41,640 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 08:16:41,640 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 08:16:41,640 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 08:16:41,641 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 08:16:41,641 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 08:16:41,641 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 08:16:41,641 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 08:16:41,641 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 08:16:41,642 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 08:16:41,642 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 08:16:41,642 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 08:16:41,642 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 08:16:41,642 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 08:16:41,643 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 08:16:41,643 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 08:16:41,643 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 08:16:41,643 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 08:16:41,643 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 08:16:41,643 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 08:16:41,644 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 08:16:41,692 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 08:16:41,704 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 08:16:41,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 08:16:41,711 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 08:16:41,711 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 08:16:41,712 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label51_true-unreach-call_false-termination.c [2018-07-21 08:16:42,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/c9856620f/39013f272481482a8c7f1ec255f03296/FLAG769bbddfb [2018-07-21 08:16:42,411 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 08:16:42,412 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label51_true-unreach-call_false-termination.c [2018-07-21 08:16:42,443 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/c9856620f/39013f272481482a8c7f1ec255f03296/FLAG769bbddfb [2018-07-21 08:16:42,463 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/c9856620f/39013f272481482a8c7f1ec255f03296 [2018-07-21 08:16:42,476 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 08:16:42,483 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 08:16:42,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 08:16:42,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 08:16:42,496 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 08:16:42,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:16:42" (1/1) ... [2018-07-21 08:16:42,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@100bb05f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:16:42, skipping insertion in model container [2018-07-21 08:16:42,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:16:42" (1/1) ... [2018-07-21 08:16:42,738 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 08:16:43,045 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 08:16:43,069 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 08:16:43,189 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 08:16:43,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:16:43 WrapperNode [2018-07-21 08:16:43,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 08:16:43,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 08:16:43,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 08:16:43,233 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 08:16:43,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:16:43" (1/1) ... [2018-07-21 08:16:43,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:16:43" (1/1) ... [2018-07-21 08:16:43,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 08:16:43,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 08:16:43,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 08:16:43,342 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 08:16:43,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:16:43" (1/1) ... [2018-07-21 08:16:43,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:16:43" (1/1) ... [2018-07-21 08:16:43,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:16:43" (1/1) ... [2018-07-21 08:16:43,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:16:43" (1/1) ... [2018-07-21 08:16:43,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:16:43" (1/1) ... [2018-07-21 08:16:43,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:16:43" (1/1) ... [2018-07-21 08:16:43,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:16:43" (1/1) ... [2018-07-21 08:16:43,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 08:16:43,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 08:16:43,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 08:16:43,449 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 08:16:43,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:16:43" (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 08:16:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 08:16:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 08:16:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-21 08:16:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-21 08:16:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 08:16:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 08:16:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 08:16:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 08:16:47,283 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 08:16:47,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:16:47 BoogieIcfgContainer [2018-07-21 08:16:47,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 08:16:47,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 08:16:47,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 08:16:47,288 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 08:16:47,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 08:16:42" (1/3) ... [2018-07-21 08:16:47,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f15730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:16:47, skipping insertion in model container [2018-07-21 08:16:47,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:16:43" (2/3) ... [2018-07-21 08:16:47,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f15730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:16:47, skipping insertion in model container [2018-07-21 08:16:47,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:16:47" (3/3) ... [2018-07-21 08:16:47,292 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label51_true-unreach-call_false-termination.c [2018-07-21 08:16:47,309 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 08:16:47,321 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 08:16:47,392 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 08:16:47,393 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 08:16:47,393 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 08:16:47,393 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 08:16:47,394 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 08:16:47,394 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 08:16:47,394 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 08:16:47,394 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 08:16:47,394 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 08:16:47,422 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-07-21 08:16:47,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-07-21 08:16:47,436 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 08:16:47,437 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:16:47,438 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 08:16:47,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1195562327, now seen corresponding path program 1 times [2018-07-21 08:16:47,444 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 08:16:47,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 08:16:47,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 08:16:47,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 08:16:47,498 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 08:16:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 08:16:48,102 WARN L169 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 08:16:48,219 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 08:16:48,221 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 08:16:48,222 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-21 08:16:48,222 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 08:16:48,226 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-21 08:16:48,244 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-21 08:16:48,244 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 08:16:48,247 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-07-21 08:16:49,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 08:16:49,683 INFO L93 Difference]: Finished difference Result 626 states and 1068 transitions. [2018-07-21 08:16:49,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-21 08:16:49,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2018-07-21 08:16:49,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 08:16:49,706 INFO L225 Difference]: With dead ends: 626 [2018-07-21 08:16:49,707 INFO L226 Difference]: Without dead ends: 387 [2018-07-21 08:16:49,713 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 08:16:49,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-07-21 08:16:49,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2018-07-21 08:16:49,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-07-21 08:16:49,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 644 transitions. [2018-07-21 08:16:49,806 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 644 transitions. Word has length 117 [2018-07-21 08:16:49,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 08:16:49,807 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 644 transitions. [2018-07-21 08:16:49,807 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-21 08:16:49,807 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 644 transitions. [2018-07-21 08:16:49,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-21 08:16:49,814 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 08:16:49,814 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-21 08:16:49,814 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 08:16:49,815 INFO L82 PathProgramCache]: Analyzing trace with hash -442775488, now seen corresponding path program 1 times [2018-07-21 08:16:49,815 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 08:16:49,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 08:16:49,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 08:16:49,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 08:16:49,817 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 08:16:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 08:16:49,975 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 08:16:49,976 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 08:16:49,976 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 08:16:49,976 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 08:16:49,978 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 08:16:49,978 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 08:16:49,979 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 08:16:49,979 INFO L87 Difference]: Start difference. First operand 383 states and 644 transitions. Second operand 6 states. [2018-07-21 08:16:51,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 08:16:51,750 INFO L93 Difference]: Finished difference Result 1195 states and 2114 transitions. [2018-07-21 08:16:51,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 08:16:51,753 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-07-21 08:16:51,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 08:16:51,764 INFO L225 Difference]: With dead ends: 1195 [2018-07-21 08:16:51,764 INFO L226 Difference]: Without dead ends: 818 [2018-07-21 08:16:51,768 INFO L578 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 [2018-07-21 08:16:51,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2018-07-21 08:16:51,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 799. [2018-07-21 08:16:51,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 799 states. [2018-07-21 08:16:51,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1290 transitions. [2018-07-21 08:16:51,838 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1290 transitions. Word has length 138 [2018-07-21 08:16:51,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 08:16:51,838 INFO L471 AbstractCegarLoop]: Abstraction has 799 states and 1290 transitions. [2018-07-21 08:16:51,839 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 08:16:51,839 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1290 transitions. [2018-07-21 08:16:51,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-07-21 08:16:51,846 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 08:16:51,846 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-07-21 08:16:51,846 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 08:16:51,847 INFO L82 PathProgramCache]: Analyzing trace with hash -343676147, now seen corresponding path program 1 times [2018-07-21 08:16:51,847 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 08:16:51,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 08:16:51,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 08:16:51,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 08:16:51,848 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 08:16:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 08:16:52,089 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 08:16:52,090 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 08:16:52,090 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 08:16:52,091 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-07-21 08:16:52,093 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [607], [609], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-07-21 08:16:52,166 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 08:16:52,166 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 08:17:03,606 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 08:17:03,607 INFO L272 AbstractInterpreter]: Visited 63 different actions 63 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-07-21 08:17:03,623 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 08:17:09,833 INFO L232 lantSequenceWeakener]: Weakened 82 states. On average, predicates are now at 80.38% of their original sizes. [2018-07-21 08:17:09,833 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 08:17:11,125 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 08:17:11,126 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 08:17:11,126 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-07-21 08:17:11,126 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 08:17:11,127 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-21 08:17:11,127 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-21 08:17:11,128 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-07-21 08:17:11,128 INFO L87 Difference]: Start difference. First operand 799 states and 1290 transitions. Second operand 11 states. [2018-07-21 08:17:37,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 08:17:37,908 INFO L93 Difference]: Finished difference Result 1650 states and 2681 transitions. [2018-07-21 08:17:37,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-21 08:17:37,908 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2018-07-21 08:17:37,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 08:17:37,916 INFO L225 Difference]: With dead ends: 1650 [2018-07-21 08:17:37,916 INFO L226 Difference]: Without dead ends: 857 [2018-07-21 08:17:37,919 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 151 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2018-07-21 08:17:37,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2018-07-21 08:17:37,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 857. [2018-07-21 08:17:37,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2018-07-21 08:17:37,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1358 transitions. [2018-07-21 08:17:37,979 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1358 transitions. Word has length 147 [2018-07-21 08:17:37,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 08:17:37,979 INFO L471 AbstractCegarLoop]: Abstraction has 857 states and 1358 transitions. [2018-07-21 08:17:37,979 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-21 08:17:37,980 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1358 transitions. [2018-07-21 08:17:37,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-07-21 08:17:37,985 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 08:17:37,986 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-07-21 08:17:37,986 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 08:17:37,986 INFO L82 PathProgramCache]: Analyzing trace with hash 2001269209, now seen corresponding path program 1 times [2018-07-21 08:17:37,986 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 08:17:37,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 08:17:37,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 08:17:37,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 08:17:37,988 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 08:17:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 08:17:38,162 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 08:17:38,163 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 08:17:38,163 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 08:17:38,163 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-07-21 08:17:38,164 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [607], [609], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-07-21 08:17:38,176 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 08:17:38,176 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 08:18:50,955 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 08:18:50,955 INFO L272 AbstractInterpreter]: Visited 121 different actions 183 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-07-21 08:18:50,968 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 08:19:07,348 INFO L232 lantSequenceWeakener]: Weakened 131 states. On average, predicates are now at 81.08% of their original sizes. [2018-07-21 08:19:07,349 INFO L408 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-07-21 08:20:54,781 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 08:20:54,784 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 08:20:54,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 08:20:54 BoogieIcfgContainer [2018-07-21 08:20:54,785 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 08:20:54,786 INFO L168 Benchmark]: Toolchain (without parser) took 252309.58 ms. Allocated memory was 308.3 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 252.1 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 511.9 MB. Max. memory is 5.3 GB. [2018-07-21 08:20:54,787 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 308.3 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 08:20:54,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.85 ms. Allocated memory is still 308.3 MB. Free memory was 252.1 MB in the beginning and 220.1 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 5.3 GB. [2018-07-21 08:20:54,788 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.15 ms. Allocated memory is still 308.3 MB. Free memory was 220.1 MB in the beginning and 214.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 5.3 GB. [2018-07-21 08:20:54,788 INFO L168 Benchmark]: Boogie Preprocessor took 106.31 ms. Allocated memory is still 308.3 MB. Free memory was 214.1 MB in the beginning and 210.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. [2018-07-21 08:20:54,789 INFO L168 Benchmark]: RCFGBuilder took 3834.76 ms. Allocated memory was 308.3 MB in the beginning and 480.2 MB in the end (delta: 172.0 MB). Free memory was 210.1 MB in the beginning and 334.7 MB in the end (delta: -124.6 MB). Peak memory consumption was 63.6 MB. Max. memory is 5.3 GB. [2018-07-21 08:20:54,789 INFO L168 Benchmark]: TraceAbstraction took 247500.28 ms. Allocated memory was 480.2 MB in the beginning and 2.1 GB in the end (delta: 1.6 GB). Free memory was 334.7 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 422.5 MB. Max. memory is 5.3 GB. [2018-07-21 08:20:54,794 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 308.3 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 747.85 ms. Allocated memory is still 308.3 MB. Free memory was 252.1 MB in the beginning and 220.1 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 109.15 ms. Allocated memory is still 308.3 MB. Free memory was 220.1 MB in the beginning and 214.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 106.31 ms. Allocated memory is still 308.3 MB. Free memory was 214.1 MB in the beginning and 210.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 3834.76 ms. Allocated memory was 308.3 MB in the beginning and 480.2 MB in the end (delta: 172.0 MB). Free memory was 210.1 MB in the beginning and 334.7 MB in the end (delta: -124.6 MB). Peak memory consumption was 63.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 247500.28 ms. Allocated memory was 480.2 MB in the beginning and 2.1 GB in the end (delta: 1.6 GB). Free memory was 334.7 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 422.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 502]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 502). Cancelled while BasicCegarLoop was analyzing trace of length 153 with TraceHistMax 3, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 34 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. TIMEOUT Result, 247.4s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 30.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 589 SDtfs, 1140 SDslu, 630 SDs, 0 SdLazy, 2129 SolverSat, 446 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 166 GetRequests, 141 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=857occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 84.3s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9943053100947836 AbsIntWeakeningRatio, 0.22895622895622897 AbsIntAvgWeakeningVarsNumRemoved, 186.26599326599327 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 23 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 402 NumberOfCodeBlocks, 402 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 399 ConstructedInterpolants, 0 QuantifiedInterpolants, 120875 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 45/47 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/Problem02_label51_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_08-20-54-807.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem02_label51_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_08-20-54-807.csv Completed graceful shutdown