java -Xss4m -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/loops/terminator_02_false-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-20 21:04:14,306 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-20 21:04:14,308 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-20 21:04:14,321 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-20 21:04:14,321 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-20 21:04:14,322 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-20 21:04:14,323 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-20 21:04:14,327 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-20 21:04:14,329 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-20 21:04:14,330 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-20 21:04:14,332 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-20 21:04:14,332 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-20 21:04:14,333 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-20 21:04:14,333 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-20 21:04:14,334 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-20 21:04:14,339 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-20 21:04:14,339 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-20 21:04:14,342 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-20 21:04:14,343 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-20 21:04:14,345 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-20 21:04:14,345 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-20 21:04:14,347 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-20 21:04:14,349 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-20 21:04:14,349 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-20 21:04:14,349 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-20 21:04:14,350 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-20 21:04:14,351 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-20 21:04:14,352 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-20 21:04:14,353 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-20 21:04:14,354 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-20 21:04:14,354 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-20 21:04:14,354 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-20 21:04:14,355 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-20 21:04:14,355 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-20 21:04:14,356 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-20 21:04:14,356 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-20 21:04:14,357 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-07-20 21:04:14,376 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-20 21:04:14,376 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-20 21:04:14,377 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-20 21:04:14,377 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-20 21:04:14,377 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-20 21:04:14,377 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-20 21:04:14,378 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-20 21:04:14,378 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-20 21:04:14,378 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-20 21:04:14,378 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-20 21:04:14,378 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-20 21:04:14,378 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-20 21:04:14,379 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-20 21:04:14,379 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-20 21:04:14,379 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-20 21:04:14,383 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-20 21:04:14,383 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-20 21:04:14,383 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-20 21:04:14,384 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-20 21:04:14,384 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-20 21:04:14,384 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-20 21:04:14,384 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-20 21:04:14,384 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-20 21:04:14,385 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-20 21:04:14,385 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-20 21:04:14,385 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-20 21:04:14,385 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-20 21:04:14,385 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-20 21:04:14,386 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-20 21:04:14,386 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-20 21:04:14,386 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-20 21:04:14,386 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-20 21:04:14,386 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-20 21:04:14,387 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-20 21:04:14,387 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-20 21:04:14,439 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-20 21:04:14,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-20 21:04:14,469 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-20 21:04:14,470 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-20 21:04:14,471 INFO L276 PluginConnector]: CDTParser initialized [2018-07-20 21:04:14,471 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_02_false-unreach-call_true-termination.i [2018-07-20 21:04:14,854 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/51edde6aa/435eaf07e71d4ad38dbbf3d6800a4b9b/FLAG54da4e51a [2018-07-20 21:04:15,033 INFO L276 CDTParser]: Found 1 translation units. [2018-07-20 21:04:15,034 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/loops/terminator_02_false-unreach-call_true-termination.i [2018-07-20 21:04:15,041 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/51edde6aa/435eaf07e71d4ad38dbbf3d6800a4b9b/FLAG54da4e51a [2018-07-20 21:04:15,060 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/51edde6aa/435eaf07e71d4ad38dbbf3d6800a4b9b [2018-07-20 21:04:15,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-20 21:04:15,075 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-20 21:04:15,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-20 21:04:15,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-20 21:04:15,086 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-20 21:04:15,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 09:04:15" (1/1) ... [2018-07-20 21:04:15,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@454a0b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:04:15, skipping insertion in model container [2018-07-20 21:04:15,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 09:04:15" (1/1) ... [2018-07-20 21:04:15,241 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-20 21:04:15,275 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-20 21:04:15,293 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-20 21:04:15,299 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-20 21:04:15,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:04:15 WrapperNode [2018-07-20 21:04:15,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-20 21:04:15,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-20 21:04:15,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-20 21:04:15,325 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-20 21:04:15,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:04:15" (1/1) ... [2018-07-20 21:04:15,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:04:15" (1/1) ... [2018-07-20 21:04:15,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-20 21:04:15,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-20 21:04:15,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-20 21:04:15,349 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-20 21:04:15,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:04:15" (1/1) ... [2018-07-20 21:04:15,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:04:15" (1/1) ... [2018-07-20 21:04:15,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:04:15" (1/1) ... [2018-07-20 21:04:15,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:04:15" (1/1) ... [2018-07-20 21:04:15,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:04:15" (1/1) ... [2018-07-20 21:04:15,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:04:15" (1/1) ... [2018-07-20 21:04:15,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:04:15" (1/1) ... [2018-07-20 21:04:15,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-20 21:04:15,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-20 21:04:15,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-20 21:04:15,371 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-20 21:04:15,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:04:15" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-20 21:04:15,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-20 21:04:15,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-20 21:04:15,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-20 21:04:15,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-20 21:04:15,447 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-20 21:04:15,447 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-20 21:04:15,447 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loops_terminator____false_unreach_call_true_termination_i____VERIFIER_assert [2018-07-20 21:04:15,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loops_terminator____false_unreach_call_true_termination_i____VERIFIER_assert [2018-07-20 21:04:15,907 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-20 21:04:15,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 09:04:15 BoogieIcfgContainer [2018-07-20 21:04:15,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-20 21:04:15,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-20 21:04:15,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-20 21:04:15,917 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-20 21:04:15,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 09:04:15" (1/3) ... [2018-07-20 21:04:15,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c761142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 09:04:15, skipping insertion in model container [2018-07-20 21:04:15,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:04:15" (2/3) ... [2018-07-20 21:04:15,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c761142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 09:04:15, skipping insertion in model container [2018-07-20 21:04:15,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 09:04:15" (3/3) ... [2018-07-20 21:04:15,930 INFO L112 eAbstractionObserver]: Analyzing ICFG terminator_02_false-unreach-call_true-termination.i [2018-07-20 21:04:15,946 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-20 21:04:15,963 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-20 21:04:16,014 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-20 21:04:16,015 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-20 21:04:16,015 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-20 21:04:16,015 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-20 21:04:16,015 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-20 21:04:16,015 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-20 21:04:16,015 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-20 21:04:16,016 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-20 21:04:16,016 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-20 21:04:16,036 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-07-20 21:04:16,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-20 21:04:16,041 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 21:04:16,042 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 21:04:16,042 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loops_terminator____false_unreach_call_true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 21:04:16,048 INFO L82 PathProgramCache]: Analyzing trace with hash -147882559, now seen corresponding path program 1 times [2018-07-20 21:04:16,051 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 21:04:16,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:04:16,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 21:04:16,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:04:16,099 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 21:04:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 21:04:16,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 21:04:16,177 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 21:04:16,177 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-20 21:04:16,177 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 21:04:16,179 INFO L450 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-07-20 21:04:16,189 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-07-20 21:04:16,189 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-20 21:04:16,192 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2018-07-20 21:04:16,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 21:04:16,213 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2018-07-20 21:04:16,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-07-20 21:04:16,214 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-07-20 21:04:16,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 21:04:16,220 INFO L225 Difference]: With dead ends: 32 [2018-07-20 21:04:16,221 INFO L226 Difference]: Without dead ends: 13 [2018-07-20 21:04:16,225 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-20 21:04:16,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-07-20 21:04:16,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-07-20 21:04:16,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-07-20 21:04:16,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-07-20 21:04:16,261 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 10 [2018-07-20 21:04:16,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 21:04:16,262 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2018-07-20 21:04:16,262 INFO L472 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-07-20 21:04:16,262 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-07-20 21:04:16,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-07-20 21:04:16,263 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 21:04:16,263 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 21:04:16,263 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loops_terminator____false_unreach_call_true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 21:04:16,263 INFO L82 PathProgramCache]: Analyzing trace with hash -717461825, now seen corresponding path program 1 times [2018-07-20 21:04:16,264 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 21:04:16,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:04:16,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 21:04:16,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:04:16,265 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 21:04:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-07-20 21:04:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-07-20 21:04:16,309 INFO L424 BasicCegarLoop]: Counterexample might be feasible [2018-07-20 21:04:16,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 09:04:16 BoogieIcfgContainer [2018-07-20 21:04:16,338 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-20 21:04:16,342 INFO L168 Benchmark]: Toolchain (without parser) took 1269.22 ms. Allocated memory was 303.6 MB in the beginning and 470.3 MB in the end (delta: 166.7 MB). Free memory was 250.6 MB in the beginning and 419.6 MB in the end (delta: -169.0 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-07-20 21:04:16,344 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 303.6 MB. Free memory is still 269.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-20 21:04:16,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.95 ms. Allocated memory is still 303.6 MB. Free memory was 249.6 MB in the beginning and 240.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 5.3 GB. [2018-07-20 21:04:16,345 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.37 ms. Allocated memory is still 303.6 MB. Free memory was 240.0 MB in the beginning and 239.0 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB. [2018-07-20 21:04:16,348 INFO L168 Benchmark]: Boogie Preprocessor took 21.82 ms. Allocated memory is still 303.6 MB. Free memory was 239.0 MB in the beginning and 238.0 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-07-20 21:04:16,348 INFO L168 Benchmark]: RCFGBuilder took 536.93 ms. Allocated memory was 303.6 MB in the beginning and 470.3 MB in the end (delta: 166.7 MB). Free memory was 238.0 MB in the beginning and 440.5 MB in the end (delta: -202.5 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-07-20 21:04:16,349 INFO L168 Benchmark]: TraceAbstraction took 423.94 ms. Allocated memory is still 470.3 MB. Free memory was 440.1 MB in the beginning and 419.6 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 5.3 GB. [2018-07-20 21:04:16,353 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 303.6 MB. Free memory is still 269.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 247.95 ms. Allocated memory is still 303.6 MB. Free memory was 249.6 MB in the beginning and 240.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 23.37 ms. Allocated memory is still 303.6 MB. Free memory was 240.0 MB in the beginning and 239.0 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB. * Boogie Preprocessor took 21.82 ms. Allocated memory is still 303.6 MB. Free memory was 239.0 MB in the beginning and 238.0 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 536.93 ms. Allocated memory was 303.6 MB in the beginning and 470.3 MB in the end (delta: 166.7 MB). Free memory was 238.0 MB in the beginning and 440.5 MB in the end (delta: -202.5 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 423.94 ms. Allocated memory is still 470.3 MB. Free memory was 440.1 MB in the beginning and 419.6 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int x=__VERIFIER_nondet_int(); [L15] int y=__VERIFIER_nondet_int(); [L16] int z=__VERIFIER_nondet_int(); [L18] COND FALSE !(x<100 && 100