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/Problem02_label16_false-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 18:24:57,387 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 18:24:57,389 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 18:24:57,403 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 18:24:57,404 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 18:24:57,405 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 18:24:57,406 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 18:24:57,408 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 18:24:57,410 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 18:24:57,411 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 18:24:57,412 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 18:24:57,412 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 18:24:57,413 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 18:24:57,414 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 18:24:57,415 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 18:24:57,416 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 18:24:57,416 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 18:24:57,418 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 18:24:57,420 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 18:24:57,422 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 18:24:57,423 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 18:24:57,424 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 18:24:57,427 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 18:24:57,427 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 18:24:57,428 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 18:24:57,429 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 18:24:57,430 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 18:24:57,431 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 18:24:57,431 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 18:24:57,433 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 18:24:57,433 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 18:24:57,434 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 18:24:57,434 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 18:24:57,434 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 18:24:57,435 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 18:24:57,436 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 18:24:57,436 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 18:24:57,452 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 18:24:57,453 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 18:24:57,454 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 18:24:57,454 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 18:24:57,454 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 18:24:57,454 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 18:24:57,454 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 18:24:57,455 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 18:24:57,455 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 18:24:57,455 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 18:24:57,455 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 18:24:57,456 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 18:24:57,457 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 18:24:57,457 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 18:24:57,457 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 18:24:57,457 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 18:24:57,457 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 18:24:57,458 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 18:24:57,458 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 18:24:57,458 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 18:24:57,460 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 18:24:57,460 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 18:24:57,461 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 18:24:57,461 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 18:24:57,461 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 18:24:57,461 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 18:24:57,462 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 18:24:57,462 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 18:24:57,462 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 18:24:57,462 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 18:24:57,463 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 18:24:57,463 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 18:24:57,463 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 18:24:57,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 18:24:57,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 18:24:57,546 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 18:24:57,548 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 18:24:57,549 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 18:24:57,550 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label16_false-unreach-call_false-termination.c [2018-07-23 18:24:57,943 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90497bde2/a6fc9954a71748688b9fb71238398484/FLAG6896291cd [2018-07-23 18:24:58,268 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 18:24:58,269 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label16_false-unreach-call_false-termination.c [2018-07-23 18:24:58,287 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90497bde2/a6fc9954a71748688b9fb71238398484/FLAG6896291cd [2018-07-23 18:24:58,304 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90497bde2/a6fc9954a71748688b9fb71238398484 [2018-07-23 18:24:58,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 18:24:58,319 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 18:24:58,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 18:24:58,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 18:24:58,328 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 18:24:58,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:24:58" (1/1) ... [2018-07-23 18:24:58,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eba4ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:58, skipping insertion in model container [2018-07-23 18:24:58,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:24:58" (1/1) ... [2018-07-23 18:24:58,557 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 18:24:58,822 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 18:24:58,839 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 18:24:58,984 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 18:24:59,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:59 WrapperNode [2018-07-23 18:24:59,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 18:24:59,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 18:24:59,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 18:24:59,034 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 18:24:59,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:59" (1/1) ... [2018-07-23 18:24:59,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:59" (1/1) ... [2018-07-23 18:24:59,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 18:24:59,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 18:24:59,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 18:24:59,122 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 18:24:59,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:59" (1/1) ... [2018-07-23 18:24:59,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:59" (1/1) ... [2018-07-23 18:24:59,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:59" (1/1) ... [2018-07-23 18:24:59,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:59" (1/1) ... [2018-07-23 18:24:59,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:59" (1/1) ... [2018-07-23 18:24:59,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:59" (1/1) ... [2018-07-23 18:24:59,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:59" (1/1) ... [2018-07-23 18:24:59,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 18:24:59,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 18:24:59,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 18:24:59,354 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 18:24:59,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:59" (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 18:24:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 18:24:59,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 18:24:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 18:24:59,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 18:24:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 18:24:59,448 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 18:24:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_output [2018-07-23 18:24:59,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_output [2018-07-23 18:25:02,867 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 18:25:02,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:25:02 BoogieIcfgContainer [2018-07-23 18:25:02,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 18:25:02,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 18:25:02,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 18:25:02,879 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 18:25:02,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 06:24:58" (1/3) ... [2018-07-23 18:25:02,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e3d87aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:25:02, skipping insertion in model container [2018-07-23 18:25:02,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:24:59" (2/3) ... [2018-07-23 18:25:02,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e3d87aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:25:02, skipping insertion in model container [2018-07-23 18:25:02,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:25:02" (3/3) ... [2018-07-23 18:25:02,888 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label16_false-unreach-call_false-termination.c [2018-07-23 18:25:02,896 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 18:25:02,906 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 18:25:02,964 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 18:25:02,965 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 18:25:02,965 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 18:25:02,965 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 18:25:02,966 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 18:25:02,966 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 18:25:02,966 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 18:25:02,966 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 18:25:02,966 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 18:25:02,995 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-07-23 18:25:03,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-07-23 18:25:03,009 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:25:03,010 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:25:03,011 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:25:03,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1950406224, now seen corresponding path program 1 times [2018-07-23 18:25:03,019 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:25:03,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:25:03,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:25:03,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:25:03,074 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:25:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:25:03,618 WARN L169 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 18:25:03,754 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 18:25:03,757 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:25:03,757 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 18:25:03,758 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:25:03,765 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 18:25:03,785 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 18:25:03,786 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 18:25:03,789 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-07-23 18:25:05,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:25:05,333 INFO L93 Difference]: Finished difference Result 621 states and 1059 transitions. [2018-07-23 18:25:05,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 18:25:05,335 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2018-07-23 18:25:05,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:25:05,358 INFO L225 Difference]: With dead ends: 621 [2018-07-23 18:25:05,358 INFO L226 Difference]: Without dead ends: 382 [2018-07-23 18:25:05,367 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 18:25:05,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-07-23 18:25:05,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-07-23 18:25:05,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-07-23 18:25:05,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 608 transitions. [2018-07-23 18:25:05,460 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 608 transitions. Word has length 94 [2018-07-23 18:25:05,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:25:05,462 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 608 transitions. [2018-07-23 18:25:05,462 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 18:25:05,462 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 608 transitions. [2018-07-23 18:25:05,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-07-23 18:25:05,469 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:25:05,469 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 18:25:05,470 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:25:05,470 INFO L82 PathProgramCache]: Analyzing trace with hash 716546101, now seen corresponding path program 1 times [2018-07-23 18:25:05,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:25:05,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:25:05,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:25:05,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:25:05,473 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:25:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:25:05,713 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:25:05,714 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:25:05,714 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 18:25:05,714 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:25:05,717 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 18:25:05,717 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 18:25:05,717 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 18:25:05,718 INFO L87 Difference]: Start difference. First operand 382 states and 608 transitions. Second operand 3 states. [2018-07-23 18:25:07,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:25:07,060 INFO L93 Difference]: Finished difference Result 1057 states and 1749 transitions. [2018-07-23 18:25:07,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 18:25:07,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2018-07-23 18:25:07,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:25:07,071 INFO L225 Difference]: With dead ends: 1057 [2018-07-23 18:25:07,071 INFO L226 Difference]: Without dead ends: 681 [2018-07-23 18:25:07,075 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 18:25:07,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2018-07-23 18:25:07,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 676. [2018-07-23 18:25:07,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2018-07-23 18:25:07,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1044 transitions. [2018-07-23 18:25:07,122 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1044 transitions. Word has length 103 [2018-07-23 18:25:07,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:25:07,123 INFO L471 AbstractCegarLoop]: Abstraction has 676 states and 1044 transitions. [2018-07-23 18:25:07,123 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 18:25:07,124 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1044 transitions. [2018-07-23 18:25:07,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-07-23 18:25:07,130 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:25:07,130 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 18:25:07,130 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:25:07,131 INFO L82 PathProgramCache]: Analyzing trace with hash 223227689, now seen corresponding path program 1 times [2018-07-23 18:25:07,131 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:25:07,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:25:07,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:25:07,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:25:07,136 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:25:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:25:07,429 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:25:07,430 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:25:07,430 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 18:25:07,430 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:25:07,431 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 18:25:07,432 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 18:25:07,432 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 18:25:07,432 INFO L87 Difference]: Start difference. First operand 676 states and 1044 transitions. Second operand 4 states. [2018-07-23 18:25:10,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:25:10,339 INFO L93 Difference]: Finished difference Result 2514 states and 4088 transitions. [2018-07-23 18:25:10,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 18:25:10,340 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2018-07-23 18:25:10,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:25:10,360 INFO L225 Difference]: With dead ends: 2514 [2018-07-23 18:25:10,360 INFO L226 Difference]: Without dead ends: 1844 [2018-07-23 18:25:10,366 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 18:25:10,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1844 states. [2018-07-23 18:25:10,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1844 to 1837. [2018-07-23 18:25:10,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1837 states. [2018-07-23 18:25:10,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1837 states and 2656 transitions. [2018-07-23 18:25:10,471 INFO L78 Accepts]: Start accepts. Automaton has 1837 states and 2656 transitions. Word has length 109 [2018-07-23 18:25:10,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:25:10,472 INFO L471 AbstractCegarLoop]: Abstraction has 1837 states and 2656 transitions. [2018-07-23 18:25:10,472 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 18:25:10,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2656 transitions. [2018-07-23 18:25:10,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-07-23 18:25:10,480 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:25:10,481 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2018-07-23 18:25:10,481 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:25:10,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1304051185, now seen corresponding path program 1 times [2018-07-23 18:25:10,481 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:25:10,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:25:10,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:25:10,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:25:10,483 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:25:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:25:10,930 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:25:10,930 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 18:25:10,931 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 18:25:10,932 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 128 with the following transitions: [2018-07-23 18:25:10,935 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [77], [88], [92], [96], [99], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [164], [168], [172], [176], [180], [184], [195], [199], [203], [207], [211], [215], [219], [223], [234], [238], [242], [246], [257], [261], [265], [269], [273], [277], [281], [292], [296], [307], [311], [322], [333], [337], [341], [345], [349], [353], [357], [368], [372], [376], [380], [384], [388], [392], [396], [403], [411], [419], [427], [435], [443], [447], [449], [887], [888], [889], [890], [892], [893] [2018-07-23 18:25:11,043 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 18:25:11,043 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 18:26:26,984 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 18:26:26,986 INFO L272 AbstractInterpreter]: Visited 98 different actions 190 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-07-23 18:26:26,999 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 18:26:40,508 INFO L232 lantSequenceWeakener]: Weakened 125 states. On average, predicates are now at 80.65% of their original sizes. [2018-07-23 18:26:40,509 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 18:26:43,332 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 18:26:43,334 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 18:26:43,334 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-07-23 18:26:43,334 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:26:43,335 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-23 18:26:43,336 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-23 18:26:43,336 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-07-23 18:26:43,336 INFO L87 Difference]: Start difference. First operand 1837 states and 2656 transitions. Second operand 15 states. [2018-07-23 18:26:44,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 18:26:44,687 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: There is no value of variable ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__a25~0. at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalState.getValue(NonrelationalState.java:148) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.SingletonVariableExpressionEvaluator.lambda$0(SingletonVariableExpressionEvaluator.java:86) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.util.typeutils.TypeUtils.applyVariableFunctionPerType(TypeUtils.java:114) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.util.typeutils.TypeUtils.applyVariableFunction(TypeUtils.java:103) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.SingletonVariableExpressionEvaluator.evaluate(SingletonVariableExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.SingletonVariableExpressionEvaluator.evaluate(SingletonVariableExpressionEvaluator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.handleAssumeStatement(NonrelationalStatementProcessor.java:370) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.processStatement(NonrelationalStatementProcessor.java:159) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:141) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:127) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:362) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:353) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:125) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.applyInternally(CompoundDomainPostOperator.java:309) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:129) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:363) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:443) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternalTransitionWithValidState(AbsIntHoareTripleChecker.java:343) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternalAbsInt(AbsIntHoareTripleChecker.java:240) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternal(AbsIntHoareTripleChecker.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:359) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor2(BasicAbstractInterpolantAutomaton.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:72) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1066) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:968) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:641) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:570) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:309) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:151) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-07-23 18:26:44,694 INFO L168 Benchmark]: Toolchain (without parser) took 106375.90 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-07-23 18:26:44,696 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 18:26:44,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-07-23 18:26:44,697 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.59 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 18:26:44,697 INFO L168 Benchmark]: Boogie Preprocessor took 231.60 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 769.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -858.9 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. [2018-07-23 18:26:44,699 INFO L168 Benchmark]: RCFGBuilder took 3514.99 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 121.4 MB). Peak memory consumption was 121.4 MB. Max. memory is 7.1 GB. [2018-07-23 18:26:44,699 INFO L168 Benchmark]: TraceAbstraction took 101823.11 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.7 GB in the end (delta: -620.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-07-23 18:26:44,705 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 712.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 87.59 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 231.60 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 769.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -858.9 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3514.99 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 121.4 MB). Peak memory consumption was 121.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 101823.11 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.7 GB in the end (delta: -620.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: There is no value of variable ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__a25~0. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: There is no value of variable ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__a25~0.: de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalState.getValue(NonrelationalState.java:148) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem02_label16_false-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_18-26-44-719.csv Received shutdown request...