java -Xss4m -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label47_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 04:28:51,310 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 04:28:51,313 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 04:28:51,326 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 04:28:51,327 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 04:28:51,328 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 04:28:51,329 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 04:28:51,331 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 04:28:51,332 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 04:28:51,333 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 04:28:51,334 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 04:28:51,334 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 04:28:51,335 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 04:28:51,336 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 04:28:51,337 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 04:28:51,340 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 04:28:51,341 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 04:28:51,343 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 04:28:51,345 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 04:28:51,347 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 04:28:51,348 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 04:28:51,350 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 04:28:51,352 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-21 04:28:51,353 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-21 04:28:51,353 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-21 04:28:51,354 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-21 04:28:51,355 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-21 04:28:51,355 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-21 04:28:51,356 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-21 04:28:51,357 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-21 04:28:51,357 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-21 04:28:51,358 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-21 04:28:51,358 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-21 04:28:51,358 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-21 04:28:51,359 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-21 04:28:51,360 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-21 04:28:51,360 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 04:28:51,376 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 04:28:51,377 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 04:28:51,378 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 04:28:51,378 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 04:28:51,378 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 04:28:51,378 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 04:28:51,379 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 04:28:51,379 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 04:28:51,379 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 04:28:51,379 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 04:28:51,379 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 04:28:51,380 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 04:28:51,380 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 04:28:51,382 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 04:28:51,382 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 04:28:51,382 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 04:28:51,382 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 04:28:51,382 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 04:28:51,383 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 04:28:51,383 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 04:28:51,383 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 04:28:51,383 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 04:28:51,383 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 04:28:51,384 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 04:28:51,384 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 04:28:51,384 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 04:28:51,384 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 04:28:51,384 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 04:28:51,385 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 04:28:51,385 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 04:28:51,385 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 04:28:51,385 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 04:28:51,385 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 04:28:51,386 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 04:28:51,386 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 04:28:51,437 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 04:28:51,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 04:28:51,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 04:28:51,470 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 04:28:51,470 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 04:28:51,471 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label47_false-unreach-call.c [2018-07-21 04:28:51,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/4a9159894/dc94e288fbb84f26a95f9a7a1d00c940/FLAG572b37ee0 [2018-07-21 04:28:52,384 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 04:28:52,385 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label47_false-unreach-call.c [2018-07-21 04:28:52,453 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/4a9159894/dc94e288fbb84f26a95f9a7a1d00c940/FLAG572b37ee0 [2018-07-21 04:28:52,671 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/4a9159894/dc94e288fbb84f26a95f9a7a1d00c940 [2018-07-21 04:28:52,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 04:28:52,689 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 04:28:52,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 04:28:52,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 04:28:52,702 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 04:28:52,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:28:52" (1/1) ... [2018-07-21 04:28:52,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52fa1d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:28:52, skipping insertion in model container [2018-07-21 04:28:52,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:28:52" (1/1) ... [2018-07-21 04:28:52,993 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 04:28:53,724 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 04:28:53,742 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 04:28:54,263 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 04:28:54,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:28:54 WrapperNode [2018-07-21 04:28:54,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 04:28:54,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 04:28:54,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 04:28:54,400 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 04:28:54,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:28:54" (1/1) ... [2018-07-21 04:28:54,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:28:54" (1/1) ... [2018-07-21 04:28:54,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 04:28:54,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 04:28:54,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 04:28:54,677 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 04:28:54,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:28:54" (1/1) ... [2018-07-21 04:28:54,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:28:54" (1/1) ... [2018-07-21 04:28:54,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:28:54" (1/1) ... [2018-07-21 04:28:54,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:28:54" (1/1) ... [2018-07-21 04:28:54,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:28:54" (1/1) ... [2018-07-21 04:28:55,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:28:54" (1/1) ... [2018-07-21 04:28:55,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:28:54" (1/1) ... [2018-07-21 04:28:55,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 04:28:55,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 04:28:55,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 04:28:55,427 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 04:28:55,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:28:54" (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 04:28:55,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 04:28:55,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 04:28:55,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 04:28:55,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 04:28:55,504 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 04:28:55,504 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 04:28:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 04:28:55,504 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 04:28:55,504 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 04:28:55,505 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 04:29:03,612 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 04:29:03,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:29:03 BoogieIcfgContainer [2018-07-21 04:29:03,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 04:29:03,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 04:29:03,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 04:29:03,617 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 04:29:03,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 04:28:52" (1/3) ... [2018-07-21 04:29:03,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8780fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:29:03, skipping insertion in model container [2018-07-21 04:29:03,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:28:54" (2/3) ... [2018-07-21 04:29:03,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8780fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:29:03, skipping insertion in model container [2018-07-21 04:29:03,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:29:03" (3/3) ... [2018-07-21 04:29:03,621 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label47_false-unreach-call.c [2018-07-21 04:29:03,629 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 04:29:03,637 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 04:29:03,695 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 04:29:03,696 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 04:29:03,696 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 04:29:03,696 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 04:29:03,696 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 04:29:03,697 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 04:29:03,697 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 04:29:03,697 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 04:29:03,697 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 04:29:03,737 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-07-21 04:29:03,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-21 04:29:03,743 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:29:03,744 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 04:29:03,745 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 04:29:03,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1172263404, now seen corresponding path program 1 times [2018-07-21 04:29:03,751 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:29:03,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:29:03,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:29:03,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:29:03,805 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:29:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:29:04,019 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 04:29:04,024 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:29:04,024 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-21 04:29:04,024 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:29:04,028 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-21 04:29:04,043 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-21 04:29:04,044 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 04:29:04,046 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 3 states. [2018-07-21 04:29:08,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:29:08,628 INFO L93 Difference]: Finished difference Result 1188 states and 2146 transitions. [2018-07-21 04:29:08,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-21 04:29:08,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-07-21 04:29:08,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:29:08,655 INFO L225 Difference]: With dead ends: 1188 [2018-07-21 04:29:08,655 INFO L226 Difference]: Without dead ends: 748 [2018-07-21 04:29:08,665 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 04:29:08,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2018-07-21 04:29:08,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 746. [2018-07-21 04:29:08,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2018-07-21 04:29:08,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1128 transitions. [2018-07-21 04:29:08,765 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1128 transitions. Word has length 16 [2018-07-21 04:29:08,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:29:08,767 INFO L471 AbstractCegarLoop]: Abstraction has 746 states and 1128 transitions. [2018-07-21 04:29:08,767 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-21 04:29:08,767 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1128 transitions. [2018-07-21 04:29:08,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-07-21 04:29:08,773 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:29:08,774 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-21 04:29:08,774 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 04:29:08,774 INFO L82 PathProgramCache]: Analyzing trace with hash -721610537, now seen corresponding path program 1 times [2018-07-21 04:29:08,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:29:08,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:29:08,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:29:08,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:29:08,776 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:29:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:29:09,071 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 04:29:09,071 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:29:09,072 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-21 04:29:09,072 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:29:09,074 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-21 04:29:09,074 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-21 04:29:09,075 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 04:29:09,075 INFO L87 Difference]: Start difference. First operand 746 states and 1128 transitions. Second operand 4 states. [2018-07-21 04:29:16,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:29:16,085 INFO L93 Difference]: Finished difference Result 2736 states and 4249 transitions. [2018-07-21 04:29:16,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-21 04:29:16,086 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 86 [2018-07-21 04:29:16,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:29:16,106 INFO L225 Difference]: With dead ends: 2736 [2018-07-21 04:29:16,106 INFO L226 Difference]: Without dead ends: 1996 [2018-07-21 04:29:16,114 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 04:29:16,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states. [2018-07-21 04:29:16,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1991. [2018-07-21 04:29:16,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1991 states. [2018-07-21 04:29:16,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 1991 states and 2770 transitions. [2018-07-21 04:29:16,243 INFO L78 Accepts]: Start accepts. Automaton has 1991 states and 2770 transitions. Word has length 86 [2018-07-21 04:29:16,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:29:16,244 INFO L471 AbstractCegarLoop]: Abstraction has 1991 states and 2770 transitions. [2018-07-21 04:29:16,244 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-21 04:29:16,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 2770 transitions. [2018-07-21 04:29:16,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-07-21 04:29:16,267 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:29:16,267 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-21 04:29:16,267 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 04:29:16,268 INFO L82 PathProgramCache]: Analyzing trace with hash 786364858, now seen corresponding path program 1 times [2018-07-21 04:29:16,268 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:29:16,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:29:16,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:29:16,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:29:16,270 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:29:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:29:16,831 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 21 proven. 87 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-07-21 04:29:16,831 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 04:29:16,832 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 04:29:16,833 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 237 with the following transitions: [2018-07-21 04:29:16,835 INFO L201 CegarAbsIntRunner]: [0], [1], [77], [81], [87], [91], [93], [98], [105], [113], [121], [125], [127], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [570], [578], [586], [591], [595], [606], [610], [614], [618], [622], [626], [630], [634], [638], [642], [646], [650], [654], [665], [669], [673], [677], [681], [692], [696], [700], [704], [708], [712], [715], [716], [720], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [822], [833], [837], [840], [845], [847], [1659], [1660], [1661], [1662], [1664], [1665] [2018-07-21 04:29:16,934 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 04:29:16,936 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 04:29:25,401 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 04:29:38,951 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 04:29:38,953 INFO L272 AbstractInterpreter]: Visited 130 different actions 377 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-21 04:29:39,005 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 04:29:44,073 INFO L232 lantSequenceWeakener]: Weakened 232 states. On average, predicates are now at 77.37% of their original sizes. [2018-07-21 04:29:44,074 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 04:29:48,473 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 04:29:48,474 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 04:29:48,474 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-07-21 04:29:48,475 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:29:48,476 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-21 04:29:48,476 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-21 04:29:48,477 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2018-07-21 04:29:48,477 INFO L87 Difference]: Start difference. First operand 1991 states and 2770 transitions. Second operand 19 states. [2018-07-21 04:31:06,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:31:06,866 INFO L93 Difference]: Finished difference Result 5231 states and 7032 transitions. [2018-07-21 04:31:06,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-21 04:31:06,866 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 236 [2018-07-21 04:31:06,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:31:06,887 INFO L225 Difference]: With dead ends: 5231 [2018-07-21 04:31:06,887 INFO L226 Difference]: Without dead ends: 3246 [2018-07-21 04:31:06,896 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 248 GetRequests, 216 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=234, Invalid=758, Unknown=0, NotChecked=0, Total=992 [2018-07-21 04:31:06,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3246 states. [2018-07-21 04:31:07,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3246 to 3235. [2018-07-21 04:31:07,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3235 states. [2018-07-21 04:31:07,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3235 states to 3235 states and 4057 transitions. [2018-07-21 04:31:07,039 INFO L78 Accepts]: Start accepts. Automaton has 3235 states and 4057 transitions. Word has length 236 [2018-07-21 04:31:07,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:31:07,041 INFO L471 AbstractCegarLoop]: Abstraction has 3235 states and 4057 transitions. [2018-07-21 04:31:07,041 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-21 04:31:07,041 INFO L276 IsEmpty]: Start isEmpty. Operand 3235 states and 4057 transitions. [2018-07-21 04:31:07,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-07-21 04:31:07,055 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:31:07,056 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:31:07,056 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 04:31:07,057 INFO L82 PathProgramCache]: Analyzing trace with hash -3037427, now seen corresponding path program 1 times [2018-07-21 04:31:07,057 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:31:07,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:31:07,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:31:07,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:31:07,059 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:31:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:31:08,042 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-07-21 04:31:08,042 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:31:08,042 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-21 04:31:08,042 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:31:08,043 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-21 04:31:08,044 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-21 04:31:08,045 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-21 04:31:08,045 INFO L87 Difference]: Start difference. First operand 3235 states and 4057 transitions. Second operand 5 states. [2018-07-21 04:31:14,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:31:14,531 INFO L93 Difference]: Finished difference Result 7213 states and 9663 transitions. [2018-07-21 04:31:14,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-21 04:31:14,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 378 [2018-07-21 04:31:14,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:31:14,571 INFO L225 Difference]: With dead ends: 7213 [2018-07-21 04:31:14,572 INFO L226 Difference]: Without dead ends: 5228 [2018-07-21 04:31:14,583 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 04:31:14,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5228 states. [2018-07-21 04:31:14,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5228 to 5191. [2018-07-21 04:31:14,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5191 states. [2018-07-21 04:31:14,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5191 states to 5191 states and 6405 transitions. [2018-07-21 04:31:14,811 INFO L78 Accepts]: Start accepts. Automaton has 5191 states and 6405 transitions. Word has length 378 [2018-07-21 04:31:14,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:31:14,813 INFO L471 AbstractCegarLoop]: Abstraction has 5191 states and 6405 transitions. [2018-07-21 04:31:14,814 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-21 04:31:14,814 INFO L276 IsEmpty]: Start isEmpty. Operand 5191 states and 6405 transitions. [2018-07-21 04:31:14,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-07-21 04:31:14,824 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:31:14,824 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 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 04:31:14,825 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 04:31:14,825 INFO L82 PathProgramCache]: Analyzing trace with hash -2089966598, now seen corresponding path program 1 times [2018-07-21 04:31:14,825 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:31:14,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:31:14,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:31:14,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:31:14,828 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:31:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:31:15,430 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 04:31:15,431 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 04:31:15,431 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 04:31:15,431 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 379 with the following transitions: [2018-07-21 04:31:15,432 INFO L201 CegarAbsIntRunner]: [0], [1], [77], [81], [87], [91], [93], [98], [105], [113], [121], [125], [127], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [570], [578], [586], [591], [595], [606], [610], [614], [618], [622], [626], [630], [634], [638], [642], [646], [650], [654], [657], [662], [664], [665], [669], [673], [677], [681], [692], [696], [700], [704], [708], [712], [716], [720], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [822], [833], [837], [848], [859], [863], [874], [878], [889], [893], [897], [901], [905], [909], [920], [924], [928], [932], [936], [940], [944], [948], [959], [963], [967], [971], [975], [979], [983], [987], [991], [995], [999], [1003], [1007], [1011], [1015], [1026], [1030], [1034], [1038], [1042], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1184], [1188], [1192], [1196], [1200], [1204], [1215], [1226], [1230], [1234], [1238], [1242], [1253], [1257], [1261], [1265], [1269], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1360], [1364], [1368], [1372], [1376], [1380], [1391], [1395], [1399], [1403], [1407], [1418], [1422], [1426], [1430], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1476], [1480], [1484], [1495], [1499], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1562], [1566], [1570], [1574], [1578], [1582], [1585], [1659], [1660], [1661], [1662], [1664], [1665] [2018-07-21 04:31:15,447 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 04:31:15,447 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 04:31:35,213 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-07-21 04:32:21,602 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-21 04:32:21,603 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-21 04:32:21,604 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-21 04:32:21,604 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 04:32:21,604 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 04:32:21,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:32:21,615 INFO L282 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-21 04:32:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:32:21,811 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 04:32:21,863 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-21 04:32:22,064 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 04:32:22,064 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 04:32:22,070 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 04:32:22,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 04:32:22 BoogieIcfgContainer [2018-07-21 04:32:22,070 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 04:32:22,071 INFO L168 Benchmark]: Toolchain (without parser) took 209386.70 ms. Allocated memory was 303.0 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 243.9 MB in the beginning and 970.8 MB in the end (delta: -726.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 5.3 GB. [2018-07-21 04:32:22,073 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 303.0 MB. Free memory is still 268.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 04:32:22,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1708.52 ms. Allocated memory was 303.0 MB in the beginning and 330.3 MB in the end (delta: 27.3 MB). Free memory was 243.9 MB in the beginning and 234.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 73.0 MB. Max. memory is 5.3 GB. [2018-07-21 04:32:22,074 INFO L168 Benchmark]: Boogie Procedure Inliner took 276.13 ms. Allocated memory is still 330.3 MB. Free memory was 234.5 MB in the beginning and 195.7 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 5.3 GB. [2018-07-21 04:32:22,075 INFO L168 Benchmark]: Boogie Preprocessor took 749.47 ms. Allocated memory was 330.3 MB in the beginning and 573.0 MB in the end (delta: 242.7 MB). Free memory was 195.7 MB in the beginning and 504.2 MB in the end (delta: -308.5 MB). Peak memory consumption was 55.7 MB. Max. memory is 5.3 GB. [2018-07-21 04:32:22,076 INFO L168 Benchmark]: RCFGBuilder took 8186.49 ms. Allocated memory was 573.0 MB in the beginning and 579.3 MB in the end (delta: 6.3 MB). Free memory was 504.2 MB in the beginning and 378.3 MB in the end (delta: 126.0 MB). Peak memory consumption was 201.2 MB. Max. memory is 5.3 GB. [2018-07-21 04:32:22,078 INFO L168 Benchmark]: TraceAbstraction took 198456.57 ms. Allocated memory was 579.3 MB in the beginning and 2.3 GB in the end (delta: 1.8 GB). Free memory was 378.3 MB in the beginning and 970.8 MB in the end (delta: -592.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 5.3 GB. [2018-07-21 04:32:22,083 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 303.0 MB. Free memory is still 268.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 1708.52 ms. Allocated memory was 303.0 MB in the beginning and 330.3 MB in the end (delta: 27.3 MB). Free memory was 243.9 MB in the beginning and 234.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 73.0 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 276.13 ms. Allocated memory is still 330.3 MB. Free memory was 234.5 MB in the beginning and 195.7 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 749.47 ms. Allocated memory was 330.3 MB in the beginning and 573.0 MB in the end (delta: 242.7 MB). Free memory was 195.7 MB in the beginning and 504.2 MB in the end (delta: -308.5 MB). Peak memory consumption was 55.7 MB. Max. memory is 5.3 GB. * RCFGBuilder took 8186.49 ms. Allocated memory was 573.0 MB in the beginning and 579.3 MB in the end (delta: 6.3 MB). Free memory was 504.2 MB in the beginning and 378.3 MB in the end (delta: 126.0 MB). Peak memory consumption was 201.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 198456.57 ms. Allocated memory was 579.3 MB in the beginning and 2.3 GB in the end (delta: 1.8 GB). Free memory was 378.3 MB in the beginning and 970.8 MB in the end (delta: -592.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 34]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 34). Cancelled while BasicCegarLoop was analyzing trace of length 379 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 6 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 198.3s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 96.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1290 SDtfs, 6177 SDslu, 793 SDs, 0 SdLazy, 7500 SolverSat, 1600 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 46.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 267 GetRequests, 227 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5191occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 88.3s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9951665124884369 AbsIntWeakeningRatio, 0.1148936170212766 AbsIntAvgWeakeningVarsNumRemoved, 516.1659574468085 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 4 MinimizatonAttempts, 55 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 716 NumberOfCodeBlocks, 716 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 712 ConstructedInterpolants, 0 QuantifiedInterpolants, 777744 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 176/263 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem15_label47_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_04-32-22-104.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem15_label47_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_04-32-22-104.csv Completed graceful shutdown