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/Problem16_label46_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 04:57:50,436 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 04:57:50,450 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 04:57:50,468 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 04:57:50,469 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 04:57:50,470 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 04:57:50,471 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 04:57:50,473 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 04:57:50,475 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 04:57:50,477 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 04:57:50,478 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 04:57:50,478 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 04:57:50,479 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 04:57:50,482 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 04:57:50,483 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 04:57:50,484 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 04:57:50,484 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 04:57:50,497 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 04:57:50,499 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 04:57:50,500 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 04:57:50,501 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 04:57:50,505 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 04:57:50,508 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-21 04:57:50,508 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-21 04:57:50,508 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-21 04:57:50,509 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-21 04:57:50,510 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-21 04:57:50,513 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-21 04:57:50,514 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-21 04:57:50,515 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-21 04:57:50,515 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-21 04:57:50,522 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-21 04:57:50,522 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-21 04:57:50,522 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-21 04:57:50,523 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-21 04:57:50,524 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-21 04:57:50,525 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 04:57:50,574 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 04:57:50,574 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 04:57:50,575 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 04:57:50,575 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 04:57:50,576 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 04:57:50,576 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 04:57:50,577 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 04:57:50,577 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 04:57:50,577 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 04:57:50,577 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 04:57:50,577 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 04:57:50,577 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 04:57:50,578 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 04:57:50,578 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 04:57:50,579 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 04:57:50,579 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 04:57:50,579 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 04:57:50,579 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 04:57:50,579 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 04:57:50,580 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 04:57:50,581 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 04:57:50,581 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 04:57:50,582 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 04:57:50,582 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 04:57:50,582 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 04:57:50,582 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 04:57:50,582 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 04:57:50,582 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 04:57:50,583 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 04:57:50,583 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 04:57:50,583 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 04:57:50,583 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 04:57:50,583 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 04:57:50,583 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 04:57:50,584 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 04:57:50,634 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 04:57:50,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 04:57:50,737 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 04:57:50,739 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 04:57:50,739 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 04:57:50,748 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label46_false-unreach-call.c [2018-07-21 04:57:51,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/9c5c71c2e/3d049a25dc1e48fa842ded9c879e1877/FLAG9949f22ba [2018-07-21 04:57:52,476 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 04:57:52,477 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label46_false-unreach-call.c [2018-07-21 04:57:52,647 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/9c5c71c2e/3d049a25dc1e48fa842ded9c879e1877/FLAG9949f22ba [2018-07-21 04:57:52,882 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/9c5c71c2e/3d049a25dc1e48fa842ded9c879e1877 [2018-07-21 04:57:52,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 04:57:53,305 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 04:57:53,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 04:57:53,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 04:57:53,319 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 04:57:53,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:57:52" (1/1) ... [2018-07-21 04:57:53,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577a04ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:57:53, skipping insertion in model container [2018-07-21 04:57:53,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:57:52" (1/1) ... [2018-07-21 04:57:53,866 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 04:57:54,682 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 04:57:54,776 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 04:57:55,131 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 04:57:55,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:57:55 WrapperNode [2018-07-21 04:57:55,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 04:57:55,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 04:57:55,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 04:57:55,224 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 04:57:55,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:57:55" (1/1) ... [2018-07-21 04:57:55,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:57:55" (1/1) ... [2018-07-21 04:57:55,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 04:57:55,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 04:57:55,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 04:57:55,439 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 04:57:55,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:57:55" (1/1) ... [2018-07-21 04:57:55,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:57:55" (1/1) ... [2018-07-21 04:57:55,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:57:55" (1/1) ... [2018-07-21 04:57:55,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:57:55" (1/1) ... [2018-07-21 04:57:55,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:57:55" (1/1) ... [2018-07-21 04:57:55,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:57:55" (1/1) ... [2018-07-21 04:57:55,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:57:55" (1/1) ... [2018-07-21 04:57:56,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 04:57:56,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 04:57:56,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 04:57:56,005 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 04:57:56,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:57:55" (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 04:57:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 04:57:56,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 04:57:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 04:57:56,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 04:57:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-21 04:57:56,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-21 04:57:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 04:57:56,494 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 04:57:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-21 04:57:56,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-21 04:58:02,909 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 04:58:02,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:58:02 BoogieIcfgContainer [2018-07-21 04:58:02,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 04:58:02,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 04:58:02,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 04:58:02,975 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 04:58:02,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 04:57:52" (1/3) ... [2018-07-21 04:58:02,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195de7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:58:02, skipping insertion in model container [2018-07-21 04:58:02,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:57:55" (2/3) ... [2018-07-21 04:58:02,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195de7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:58:02, skipping insertion in model container [2018-07-21 04:58:02,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:58:02" (3/3) ... [2018-07-21 04:58:02,979 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label46_false-unreach-call.c [2018-07-21 04:58:03,075 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 04:58:03,103 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 04:58:03,533 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 04:58:03,533 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 04:58:03,533 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 04:58:03,534 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 04:58:03,534 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 04:58:03,534 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 04:58:03,534 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 04:58:03,534 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 04:58:03,534 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 04:58:03,682 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-07-21 04:58:03,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-07-21 04:58:03,700 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:58:03,702 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] [2018-07-21 04:58:03,702 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:58:03,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1231801221, now seen corresponding path program 1 times [2018-07-21 04:58:03,742 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:58:03,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:58:03,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:58:03,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:58:03,883 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:58:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:58:04,368 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 04:58:04,375 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:58:04,375 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-21 04:58:04,375 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:58:04,379 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-21 04:58:04,448 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-21 04:58:04,449 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 04:58:04,488 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 4 states. [2018-07-21 04:58:11,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:58:11,197 INFO L93 Difference]: Finished difference Result 1513 states and 2838 transitions. [2018-07-21 04:58:11,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-21 04:58:11,208 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-07-21 04:58:11,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:58:11,248 INFO L225 Difference]: With dead ends: 1513 [2018-07-21 04:58:11,249 INFO L226 Difference]: Without dead ends: 1097 [2018-07-21 04:58:11,264 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 04:58:11,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2018-07-21 04:58:11,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2018-07-21 04:58:11,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1097 states. [2018-07-21 04:58:11,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1954 transitions. [2018-07-21 04:58:11,581 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1954 transitions. Word has length 23 [2018-07-21 04:58:11,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:58:11,583 INFO L471 AbstractCegarLoop]: Abstraction has 1097 states and 1954 transitions. [2018-07-21 04:58:11,583 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-21 04:58:11,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1954 transitions. [2018-07-21 04:58:11,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-07-21 04:58:11,593 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:58:11,594 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] [2018-07-21 04:58:11,594 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:58:11,594 INFO L82 PathProgramCache]: Analyzing trace with hash -461214851, now seen corresponding path program 1 times [2018-07-21 04:58:11,594 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:58:11,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:58:11,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:58:11,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:58:11,596 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:58:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:58:11,939 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 04:58:11,940 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:58:11,940 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 04:58:11,940 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:58:11,942 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 04:58:11,942 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 04:58:11,943 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 04:58:11,945 INFO L87 Difference]: Start difference. First operand 1097 states and 1954 transitions. Second operand 6 states. [2018-07-21 04:58:17,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:58:17,733 INFO L93 Difference]: Finished difference Result 3259 states and 5952 transitions. [2018-07-21 04:58:17,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 04:58:17,738 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-07-21 04:58:17,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:58:17,763 INFO L225 Difference]: With dead ends: 3259 [2018-07-21 04:58:17,763 INFO L226 Difference]: Without dead ends: 2168 [2018-07-21 04:58:17,770 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 04:58:17,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2168 states. [2018-07-21 04:58:17,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2168 to 2142. [2018-07-21 04:58:17,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2142 states. [2018-07-21 04:58:17,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 2142 states and 3739 transitions. [2018-07-21 04:58:17,967 INFO L78 Accepts]: Start accepts. Automaton has 2142 states and 3739 transitions. Word has length 94 [2018-07-21 04:58:17,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:58:17,968 INFO L471 AbstractCegarLoop]: Abstraction has 2142 states and 3739 transitions. [2018-07-21 04:58:17,968 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 04:58:17,968 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 3739 transitions. [2018-07-21 04:58:17,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-07-21 04:58:17,978 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:58:17,979 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] [2018-07-21 04:58:17,979 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:58:17,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1474998027, now seen corresponding path program 1 times [2018-07-21 04:58:17,979 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:58:17,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:58:17,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:58:17,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:58:17,984 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:58:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:58:18,317 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 04:58:18,318 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:58:18,318 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 04:58:18,318 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:58:18,319 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 04:58:18,321 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 04:58:18,321 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 04:58:18,321 INFO L87 Difference]: Start difference. First operand 2142 states and 3739 transitions. Second operand 6 states. [2018-07-21 04:58:22,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:58:22,438 INFO L93 Difference]: Finished difference Result 6327 states and 11142 transitions. [2018-07-21 04:58:22,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 04:58:22,439 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 122 [2018-07-21 04:58:22,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:58:22,473 INFO L225 Difference]: With dead ends: 6327 [2018-07-21 04:58:22,473 INFO L226 Difference]: Without dead ends: 4191 [2018-07-21 04:58:22,494 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 04:58:22,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4191 states. [2018-07-21 04:58:22,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4191 to 4168. [2018-07-21 04:58:22,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4168 states. [2018-07-21 04:58:22,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4168 states to 4168 states and 6351 transitions. [2018-07-21 04:58:22,678 INFO L78 Accepts]: Start accepts. Automaton has 4168 states and 6351 transitions. Word has length 122 [2018-07-21 04:58:22,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:58:22,678 INFO L471 AbstractCegarLoop]: Abstraction has 4168 states and 6351 transitions. [2018-07-21 04:58:22,679 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 04:58:22,680 INFO L276 IsEmpty]: Start isEmpty. Operand 4168 states and 6351 transitions. [2018-07-21 04:58:22,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-07-21 04:58:22,692 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:58:22,692 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, 1, 1] [2018-07-21 04:58:22,692 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:58:22,692 INFO L82 PathProgramCache]: Analyzing trace with hash 494446713, now seen corresponding path program 1 times [2018-07-21 04:58:22,692 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:58:22,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:58:22,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:58:22,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:58:22,694 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:58:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:58:22,925 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 04:58:22,925 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:58:22,925 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 04:58:22,926 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:58:22,926 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 04:58:22,926 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 04:58:22,927 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 04:58:22,927 INFO L87 Difference]: Start difference. First operand 4168 states and 6351 transitions. Second operand 6 states. [2018-07-21 04:58:27,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:58:27,504 INFO L93 Difference]: Finished difference Result 10464 states and 16541 transitions. [2018-07-21 04:58:27,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 04:58:27,505 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2018-07-21 04:58:27,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:58:27,547 INFO L225 Difference]: With dead ends: 10464 [2018-07-21 04:58:27,548 INFO L226 Difference]: Without dead ends: 6302 [2018-07-21 04:58:27,568 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-21 04:58:27,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6302 states. [2018-07-21 04:58:27,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6302 to 6257. [2018-07-21 04:58:27,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6257 states. [2018-07-21 04:58:27,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6257 states to 6257 states and 8681 transitions. [2018-07-21 04:58:27,867 INFO L78 Accepts]: Start accepts. Automaton has 6257 states and 8681 transitions. Word has length 140 [2018-07-21 04:58:27,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:58:27,868 INFO L471 AbstractCegarLoop]: Abstraction has 6257 states and 8681 transitions. [2018-07-21 04:58:27,868 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 04:58:27,868 INFO L276 IsEmpty]: Start isEmpty. Operand 6257 states and 8681 transitions. [2018-07-21 04:58:27,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-07-21 04:58:27,873 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:58:27,873 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:27,874 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:58:27,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1979868520, now seen corresponding path program 1 times [2018-07-21 04:58:27,878 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:58:27,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:58:27,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:58:27,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:58:27,879 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:58:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:58:28,246 WARN L169 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 04:58:28,373 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 04:58:28,374 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:58:28,374 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 04:58:28,374 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:58:28,374 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 04:58:28,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 04:58:28,375 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 04:58:28,375 INFO L87 Difference]: Start difference. First operand 6257 states and 8681 transitions. Second operand 6 states. [2018-07-21 04:58:33,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:58:33,302 INFO L93 Difference]: Finished difference Result 18905 states and 26688 transitions. [2018-07-21 04:58:33,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 04:58:33,302 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 187 [2018-07-21 04:58:33,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:58:33,370 INFO L225 Difference]: With dead ends: 18905 [2018-07-21 04:58:33,371 INFO L226 Difference]: Without dead ends: 12654 [2018-07-21 04:58:33,427 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-21 04:58:33,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12654 states. [2018-07-21 04:58:33,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12654 to 12600. [2018-07-21 04:58:33,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12600 states. [2018-07-21 04:58:33,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12600 states to 12600 states and 16922 transitions. [2018-07-21 04:58:33,788 INFO L78 Accepts]: Start accepts. Automaton has 12600 states and 16922 transitions. Word has length 187 [2018-07-21 04:58:33,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:58:33,789 INFO L471 AbstractCegarLoop]: Abstraction has 12600 states and 16922 transitions. [2018-07-21 04:58:33,789 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 04:58:33,789 INFO L276 IsEmpty]: Start isEmpty. Operand 12600 states and 16922 transitions. [2018-07-21 04:58:33,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-07-21 04:58:33,793 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:58:33,794 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:33,794 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:58:33,794 INFO L82 PathProgramCache]: Analyzing trace with hash -43862320, now seen corresponding path program 1 times [2018-07-21 04:58:33,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:58:33,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:58:33,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:58:33,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:58:33,795 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:58:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:58:34,159 WARN L169 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 04:58:34,276 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 04:58:34,276 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:58:34,276 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 04:58:34,276 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:58:34,277 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 04:58:34,277 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 04:58:34,277 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 04:58:34,277 INFO L87 Difference]: Start difference. First operand 12600 states and 16922 transitions. Second operand 6 states. [2018-07-21 04:58:37,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:58:37,705 INFO L93 Difference]: Finished difference Result 31976 states and 43944 transitions. [2018-07-21 04:58:37,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 04:58:37,749 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 207 [2018-07-21 04:58:37,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:58:37,846 INFO L225 Difference]: With dead ends: 31976 [2018-07-21 04:58:37,846 INFO L226 Difference]: Without dead ends: 19382 [2018-07-21 04:58:38,097 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-21 04:58:38,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19382 states. [2018-07-21 04:58:38,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19382 to 19336. [2018-07-21 04:58:38,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19336 states. [2018-07-21 04:58:38,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19336 states to 19336 states and 25364 transitions. [2018-07-21 04:58:38,549 INFO L78 Accepts]: Start accepts. Automaton has 19336 states and 25364 transitions. Word has length 207 [2018-07-21 04:58:38,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:58:38,549 INFO L471 AbstractCegarLoop]: Abstraction has 19336 states and 25364 transitions. [2018-07-21 04:58:38,549 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 04:58:38,550 INFO L276 IsEmpty]: Start isEmpty. Operand 19336 states and 25364 transitions. [2018-07-21 04:58:38,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-07-21 04:58:38,571 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:58:38,572 INFO L358 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:38,572 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:58:38,573 INFO L82 PathProgramCache]: Analyzing trace with hash -371519870, now seen corresponding path program 1 times [2018-07-21 04:58:38,573 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:58:38,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:58:38,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:58:38,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:58:38,574 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:58:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:58:39,419 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 73 proven. 37 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-07-21 04:58:39,419 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 04:58:39,420 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 04:58:39,421 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 388 with the following transitions: [2018-07-21 04:58:39,423 INFO L201 CegarAbsIntRunner]: [0], [1], [183], [187], [193], [197], [199], [204], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [287], [289], [292], [300], [308], [316], [324], [332], [340], [348], [356], [364], [372], [380], [388], [396], [404], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [676], [684], [692], [696], [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], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [936], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1072], [1576], [1577], [1578], [1579], [1581], [1582] [2018-07-21 04:58:39,635 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 04:58:39,635 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 04:58:44,973 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 04:58:57,438 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 04:58:57,440 INFO L272 AbstractInterpreter]: Visited 170 different actions 170 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-07-21 04:58:57,456 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 04:59:11,934 INFO L232 lantSequenceWeakener]: Weakened 376 states. On average, predicates are now at 77.4% of their original sizes. [2018-07-21 04:59:11,934 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 04:59:12,974 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 04:59:12,976 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 04:59:12,976 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-07-21 04:59:12,976 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:59:12,977 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-21 04:59:12,977 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-21 04:59:12,977 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-07-21 04:59:12,977 INFO L87 Difference]: Start difference. First operand 19336 states and 25364 transitions. Second operand 10 states. [2018-07-21 05:01:04,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 05:01:04,876 INFO L93 Difference]: Finished difference Result 39006 states and 51111 transitions. [2018-07-21 05:01:04,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-21 05:01:04,876 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 387 [2018-07-21 05:01:04,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 05:01:04,954 INFO L225 Difference]: With dead ends: 39006 [2018-07-21 05:01:04,954 INFO L226 Difference]: Without dead ends: 19676 [2018-07-21 05:01:05,010 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 390 GetRequests, 378 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-07-21 05:01:05,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19676 states. [2018-07-21 05:01:05,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19676 to 19674. [2018-07-21 05:01:05,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19674 states. [2018-07-21 05:01:05,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19674 states to 19674 states and 25711 transitions. [2018-07-21 05:01:05,441 INFO L78 Accepts]: Start accepts. Automaton has 19674 states and 25711 transitions. Word has length 387 [2018-07-21 05:01:05,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 05:01:05,441 INFO L471 AbstractCegarLoop]: Abstraction has 19674 states and 25711 transitions. [2018-07-21 05:01:05,441 INFO L472 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-21 05:01:05,441 INFO L276 IsEmpty]: Start isEmpty. Operand 19674 states and 25711 transitions. [2018-07-21 05:01:05,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2018-07-21 05:01:05,467 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 05:01:05,467 INFO L358 BasicCegarLoop]: trace histogram [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, 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, 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] [2018-07-21 05:01:05,468 INFO L414 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 05:01:05,470 INFO L82 PathProgramCache]: Analyzing trace with hash 640834271, now seen corresponding path program 1 times [2018-07-21 05:01:05,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 05:01:05,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 05:01:05,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 05:01:05,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 05:01:05,471 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 05:01:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 05:01:05,893 WARN L169 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-07-21 05:01:06,589 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 141 proven. 265 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-07-21 05:01:06,592 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 05:01:06,633 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 05:01:06,633 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 480 with the following transitions: [2018-07-21 05:01:06,634 INFO L201 CegarAbsIntRunner]: [0], [1], [183], [187], [193], [197], [199], [204], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [287], [289], [292], [300], [308], [316], [324], [332], [340], [348], [356], [364], [372], [380], [388], [396], [404], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [676], [684], [692], [696], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [784], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [936], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1072], [1576], [1577], [1578], [1579], [1581], [1582] [2018-07-21 05:01:06,647 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 05:01:06,647 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 05:01:12,921 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-07-21 05:01:19,883 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-21 05:01:19,884 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-21 05:01:20,033 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-21 05:01:20,033 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 05:01:20,033 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 05:01:21,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 05:01:21,109 INFO L282 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-21 05:01:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 05:01:21,389 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 05:01:21,572 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-21 05:01:21,773 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 05:01:21,773 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 05:01:21,777 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 05:01:21,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 05:01:21 BoogieIcfgContainer [2018-07-21 05:01:21,777 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 05:01:21,778 INFO L168 Benchmark]: Toolchain (without parser) took 208886.47 ms. Allocated memory was 310.4 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 250.6 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 566.8 MB. Max. memory is 5.3 GB. [2018-07-21 05:01:21,779 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 310.4 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 05:01:21,779 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1913.02 ms. Allocated memory is still 310.4 MB. Free memory was 249.6 MB in the beginning and 242.7 MB in the end (delta: 6.9 MB). Peak memory consumption was 72.4 MB. Max. memory is 5.3 GB. [2018-07-21 05:01:21,780 INFO L168 Benchmark]: Boogie Procedure Inliner took 214.15 ms. Allocated memory is still 310.4 MB. Free memory was 242.7 MB in the beginning and 220.3 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 5.3 GB. [2018-07-21 05:01:21,781 INFO L168 Benchmark]: Boogie Preprocessor took 565.57 ms. Allocated memory was 310.4 MB in the beginning and 415.2 MB in the end (delta: 104.9 MB). Free memory was 220.3 MB in the beginning and 364.8 MB in the end (delta: -144.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. [2018-07-21 05:01:21,781 INFO L168 Benchmark]: RCFGBuilder took 6905.94 ms. Allocated memory was 415.2 MB in the beginning and 492.3 MB in the end (delta: 77.1 MB). Free memory was 364.8 MB in the beginning and 408.0 MB in the end (delta: -43.2 MB). Peak memory consumption was 155.9 MB. Max. memory is 5.3 GB. [2018-07-21 05:01:21,782 INFO L168 Benchmark]: TraceAbstraction took 198865.86 ms. Allocated memory was 492.3 MB in the beginning and 2.8 GB in the end (delta: 2.4 GB). Free memory was 408.0 MB in the beginning and 2.2 GB in the end (delta: -1.8 GB). Peak memory consumption was 542.3 MB. Max. memory is 5.3 GB. [2018-07-21 05:01:21,788 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 310.4 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 1913.02 ms. Allocated memory is still 310.4 MB. Free memory was 249.6 MB in the beginning and 242.7 MB in the end (delta: 6.9 MB). Peak memory consumption was 72.4 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 214.15 ms. Allocated memory is still 310.4 MB. Free memory was 242.7 MB in the beginning and 220.3 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 565.57 ms. Allocated memory was 310.4 MB in the beginning and 415.2 MB in the end (delta: 104.9 MB). Free memory was 220.3 MB in the beginning and 364.8 MB in the end (delta: -144.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. * RCFGBuilder took 6905.94 ms. Allocated memory was 415.2 MB in the beginning and 492.3 MB in the end (delta: 77.1 MB). Free memory was 364.8 MB in the beginning and 408.0 MB in the end (delta: -43.2 MB). Peak memory consumption was 155.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 198865.86 ms. Allocated memory was 492.3 MB in the beginning and 2.8 GB in the end (delta: 2.4 GB). Free memory was 408.0 MB in the beginning and 2.2 GB in the end (delta: -1.8 GB). Peak memory consumption was 542.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 55]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 55). Cancelled while BasicCegarLoop was analyzing trace of length 480 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 5 procedures, 410 locations, 1 error locations. TIMEOUT Result, 198.3s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 142.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1044 SDtfs, 11506 SDslu, 1013 SDs, 0 SdLazy, 14166 SolverSat, 4274 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 102.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 446 GetRequests, 392 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19674occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 31.2s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.99694469475107 AbsIntWeakeningRatio, 0.08290155440414508 AbsIntAvgWeakeningVarsNumRemoved, 30.093264248704664 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 196 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1160 NumberOfCodeBlocks, 1160 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1153 ConstructedInterpolants, 0 QuantifiedInterpolants, 1575513 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 361/398 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/Problem16_label46_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_05-01-21-806.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem16_label46_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_05-01-21-806.csv Completed graceful shutdown