java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label40_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 19:57:53,401 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 19:57:53,404 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 19:57:53,422 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 19:57:53,422 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 19:57:53,424 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 19:57:53,425 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 19:57:53,428 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 19:57:53,430 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 19:57:53,433 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 19:57:53,435 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 19:57:53,435 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 19:57:53,436 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 19:57:53,437 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 19:57:53,441 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 19:57:53,441 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 19:57:53,442 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 19:57:53,446 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 19:57:53,455 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 19:57:53,459 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 19:57:53,460 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 19:57:53,467 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 19:57:53,469 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 19:57:53,470 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 19:57:53,470 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 19:57:53,471 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 19:57:53,474 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 19:57:53,475 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 19:57:53,476 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 19:57:53,477 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 19:57:53,477 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 19:57:53,478 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 19:57:53,478 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 19:57:53,478 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 19:57:53,482 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 19:57:53,482 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 19:57:53,483 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 19:57:53,509 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 19:57:53,512 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 19:57:53,513 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 19:57:53,513 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 19:57:53,513 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 19:57:53,516 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 19:57:53,516 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 19:57:53,516 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 19:57:53,517 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 19:57:53,517 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 19:57:53,517 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 19:57:53,518 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 19:57:53,518 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 19:57:53,519 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 19:57:53,519 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 19:57:53,520 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 19:57:53,520 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 19:57:53,520 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 19:57:53,520 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 19:57:53,521 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 19:57:53,521 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 19:57:53,521 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 19:57:53,523 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 19:57:53,523 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 19:57:53,523 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 19:57:53,524 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 19:57:53,524 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 19:57:53,524 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 19:57:53,524 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 19:57:53,525 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 19:57:53,525 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 19:57:53,525 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 19:57:53,525 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 19:57:53,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 19:57:53,613 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 19:57:53,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 19:57:53,621 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 19:57:53,622 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 19:57:53,623 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label40_false-unreach-call.c [2018-07-23 19:57:53,995 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7b477506/07bc3b115d714afc818696d2e3ffecef/FLAG31cf7eb6a [2018-07-23 19:57:54,460 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 19:57:54,461 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label40_false-unreach-call.c [2018-07-23 19:57:54,505 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7b477506/07bc3b115d714afc818696d2e3ffecef/FLAG31cf7eb6a [2018-07-23 19:57:54,528 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7b477506/07bc3b115d714afc818696d2e3ffecef [2018-07-23 19:57:54,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 19:57:54,544 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 19:57:54,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 19:57:54,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 19:57:54,556 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 19:57:54,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 07:57:54" (1/1) ... [2018-07-23 19:57:54,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e42c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:57:54, skipping insertion in model container [2018-07-23 19:57:54,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 07:57:54" (1/1) ... [2018-07-23 19:57:54,878 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 19:57:55,707 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 19:57:55,725 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 19:57:56,209 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 19:57:56,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:57:56 WrapperNode [2018-07-23 19:57:56,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 19:57:56,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 19:57:56,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 19:57:56,412 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 19:57:56,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:57:56" (1/1) ... [2018-07-23 19:57:56,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:57:56" (1/1) ... [2018-07-23 19:57:56,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 19:57:56,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 19:57:56,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 19:57:56,692 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 19:57:57,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:57:56" (1/1) ... [2018-07-23 19:57:57,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:57:56" (1/1) ... [2018-07-23 19:57:57,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:57:56" (1/1) ... [2018-07-23 19:57:57,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:57:56" (1/1) ... [2018-07-23 19:57:57,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:57:56" (1/1) ... [2018-07-23 19:57:57,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:57:56" (1/1) ... [2018-07-23 19:57:57,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:57:56" (1/1) ... [2018-07-23 19:57:57,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 19:57:57,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 19:57:57,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 19:57:57,588 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 19:57:57,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:57:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 19:57:57,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 19:57:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 19:57:57,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 19:57:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 19:57:57,656 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 19:57:57,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 19:57:57,657 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-23 19:57:57,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-23 19:57:57,657 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-23 19:57:57,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-23 19:58:08,347 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 19:58:08,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 07:58:08 BoogieIcfgContainer [2018-07-23 19:58:08,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 19:58:08,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 19:58:08,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 19:58:08,353 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 19:58:08,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 07:57:54" (1/3) ... [2018-07-23 19:58:08,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e526d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 07:58:08, skipping insertion in model container [2018-07-23 19:58:08,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:57:56" (2/3) ... [2018-07-23 19:58:08,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e526d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 07:58:08, skipping insertion in model container [2018-07-23 19:58:08,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 07:58:08" (3/3) ... [2018-07-23 19:58:08,356 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label40_false-unreach-call.c [2018-07-23 19:58:08,365 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 19:58:08,374 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 19:58:08,430 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 19:58:08,431 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 19:58:08,431 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 19:58:08,431 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 19:58:08,432 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 19:58:08,432 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 19:58:08,432 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 19:58:08,432 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 19:58:08,432 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 19:58:08,467 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-07-23 19:58:08,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-07-23 19:58:08,475 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:58:08,476 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:58:08,476 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:58:08,482 INFO L82 PathProgramCache]: Analyzing trace with hash 559416358, now seen corresponding path program 1 times [2018-07-23 19:58:08,485 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:58:08,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:58:08,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:58:08,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:58:08,541 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:58:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:58:08,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:58:08,945 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:58:08,946 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 19:58:08,946 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:58:08,953 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 19:58:08,970 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 19:58:08,971 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 19:58:08,975 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-07-23 19:58:19,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:58:19,914 INFO L93 Difference]: Finished difference Result 2125 states and 3954 transitions. [2018-07-23 19:58:19,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 19:58:19,917 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2018-07-23 19:58:19,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:58:19,948 INFO L225 Difference]: With dead ends: 2125 [2018-07-23 19:58:19,948 INFO L226 Difference]: Without dead ends: 1515 [2018-07-23 19:58:19,959 INFO L573 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 [2018-07-23 19:58:19,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2018-07-23 19:58:20,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1043. [2018-07-23 19:58:20,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2018-07-23 19:58:20,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1647 transitions. [2018-07-23 19:58:20,090 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1647 transitions. Word has length 29 [2018-07-23 19:58:20,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:58:20,091 INFO L471 AbstractCegarLoop]: Abstraction has 1043 states and 1647 transitions. [2018-07-23 19:58:20,091 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 19:58:20,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1647 transitions. [2018-07-23 19:58:20,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-07-23 19:58:20,096 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:58:20,097 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:58:20,097 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:58:20,098 INFO L82 PathProgramCache]: Analyzing trace with hash 766393591, now seen corresponding path program 1 times [2018-07-23 19:58:20,098 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:58:20,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:58:20,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:58:20,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:58:20,099 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:58:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:58:20,451 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:58:20,452 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:58:20,452 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 19:58:20,452 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:58:20,454 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 19:58:20,454 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 19:58:20,455 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-07-23 19:58:20,455 INFO L87 Difference]: Start difference. First operand 1043 states and 1647 transitions. Second operand 6 states. [2018-07-23 19:58:39,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:58:39,048 INFO L93 Difference]: Finished difference Result 3918 states and 6355 transitions. [2018-07-23 19:58:39,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 19:58:39,049 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2018-07-23 19:58:39,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:58:39,071 INFO L225 Difference]: With dead ends: 3918 [2018-07-23 19:58:39,071 INFO L226 Difference]: Without dead ends: 2881 [2018-07-23 19:58:39,082 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-07-23 19:58:39,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2881 states. [2018-07-23 19:58:39,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2881 to 2874. [2018-07-23 19:58:39,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2874 states. [2018-07-23 19:58:39,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 2874 states and 3839 transitions. [2018-07-23 19:58:39,183 INFO L78 Accepts]: Start accepts. Automaton has 2874 states and 3839 transitions. Word has length 101 [2018-07-23 19:58:39,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:58:39,184 INFO L471 AbstractCegarLoop]: Abstraction has 2874 states and 3839 transitions. [2018-07-23 19:58:39,184 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 19:58:39,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2874 states and 3839 transitions. [2018-07-23 19:58:39,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-23 19:58:39,190 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:58:39,191 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:58:39,191 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:58:39,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1473411399, now seen corresponding path program 1 times [2018-07-23 19:58:39,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:58:39,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:58:39,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:58:39,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:58:39,193 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:58:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:58:39,517 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:58:39,518 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 19:58:39,518 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 19:58:39,519 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 105 with the following transitions: [2018-07-23 19:58:39,521 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [735], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [866], [868], [871], [879], [887], [895], [903], [911], [919], [927], [935], [943], [951], [959], [967], [975], [983], [991], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1207], [1215], [1223], [1228], [1232], [1236], [1240], [1244], [1247], [2303], [2304], [2305], [2306], [2308], [2309] [2018-07-23 19:58:39,582 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 19:58:39,583 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 19:59:12,967 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 19:59:52,958 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 19:59:52,960 INFO L272 AbstractInterpreter]: Visited 82 different actions 233 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-07-23 19:59:52,975 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 19:59:55,090 INFO L232 lantSequenceWeakener]: Weakened 102 states. On average, predicates are now at 75.53% of their original sizes. [2018-07-23 19:59:55,090 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 19:59:57,417 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 19:59:57,419 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 19:59:57,419 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2018-07-23 19:59:57,419 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:59:57,420 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 19:59:57,420 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 19:59:57,420 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-07-23 19:59:57,420 INFO L87 Difference]: Start difference. First operand 2874 states and 3839 transitions. Second operand 11 states. Received shutdown request... [2018-07-23 20:01:34,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 20:01:34,997 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 20:01:35,002 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 20:01:35,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 08:01:35 BoogieIcfgContainer [2018-07-23 20:01:35,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 20:01:35,004 INFO L168 Benchmark]: Toolchain (without parser) took 220461.63 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -487.8 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-07-23 20:01:35,006 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 20:01:35,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1863.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Peak memory consumption was 192.9 MB. Max. memory is 7.1 GB. [2018-07-23 20:01:35,007 INFO L168 Benchmark]: Boogie Procedure Inliner took 279.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-23 20:01:35,008 INFO L168 Benchmark]: Boogie Preprocessor took 895.67 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 932.7 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. [2018-07-23 20:01:35,009 INFO L168 Benchmark]: RCFGBuilder took 10760.75 ms. Allocated memory is still 2.5 GB. Free memory was 2.3 GB in the beginning and 1.8 GB in the end (delta: 499.2 MB). Peak memory consumption was 499.2 MB. Max. memory is 7.1 GB. [2018-07-23 20:01:35,010 INFO L168 Benchmark]: TraceAbstraction took 206654.37 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 1.8 GB in the beginning and 1.9 GB in the end (delta: -63.5 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-07-23 20:01:35,015 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1863.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Peak memory consumption was 192.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 279.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 895.67 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 932.7 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10760.75 ms. Allocated memory is still 2.5 GB. Free memory was 2.3 GB in the beginning and 1.8 GB in the end (delta: 499.2 MB). Peak memory consumption was 499.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 206654.37 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 1.8 GB in the beginning and 1.9 GB in the end (delta: -63.5 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 74). Cancelled while BasicCegarLoop was constructing difference of abstraction (2874states) and interpolant automaton (currently 13 states, 11 states before enhancement), while ReachableStatesComputation was computing reachable states (3044 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 206.5s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 127.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1031 SDtfs, 4523 SDslu, 1210 SDs, 0 SdLazy, 9447 SolverSat, 1821 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 78.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 124 GetRequests, 84 SyntacticMatches, 17 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2874occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 73.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9913517550410755 AbsIntWeakeningRatio, 0.20388349514563106 AbsIntAvgWeakeningVarsNumRemoved, 506.99029126213594 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 479 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 231 ConstructedInterpolants, 0 QuantifiedInterpolants, 102721 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 22/44 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem17_label40_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_20-01-35-030.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem17_label40_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_20-01-35-030.csv Completed graceful shutdown