java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf -i ../../../trunk/examples/svcomp/loops/terminator_02_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 05:01:04,833 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 05:01:04,835 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 05:01:04,849 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 05:01:04,849 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 05:01:04,851 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 05:01:04,852 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 05:01:04,854 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 05:01:04,856 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 05:01:04,857 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 05:01:04,858 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 05:01:04,858 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 05:01:04,859 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 05:01:04,860 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 05:01:04,861 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 05:01:04,862 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 05:01:04,863 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 05:01:04,865 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 05:01:04,867 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 05:01:04,868 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 05:01:04,870 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 05:01:04,871 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 05:01:04,873 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 05:01:04,874 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 05:01:04,874 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 05:01:04,876 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 05:01:04,877 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 05:01:04,881 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 05:01:04,882 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 05:01:04,883 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 05:01:04,884 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 05:01:04,884 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-19 05:01:04,887 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf [2018-09-19 05:01:04,902 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 05:01:04,902 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 05:01:04,903 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 05:01:04,903 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 05:01:04,903 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 05:01:04,904 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 05:01:04,904 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 05:01:04,904 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 05:01:04,904 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-19 05:01:04,904 INFO L133 SettingsManager]: * Abstract domain=IntervalDomain [2018-09-19 05:01:04,905 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 05:01:04,905 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 05:01:04,905 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 05:01:04,906 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 05:01:04,906 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 05:01:04,906 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 05:01:04,906 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 05:01:04,906 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 05:01:04,907 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 05:01:04,907 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 05:01:04,907 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 05:01:04,907 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 05:01:04,907 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 05:01:04,908 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 05:01:04,908 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 05:01:04,908 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 05:01:04,908 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 05:01:04,908 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 05:01:04,909 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 05:01:04,909 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 05:01:04,909 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 05:01:04,909 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 05:01:04,909 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 05:01:04,910 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 05:01:04,910 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 05:01:04,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 05:01:04,971 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 05:01:04,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 05:01:04,977 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 05:01:04,977 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 05:01:04,978 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_02_true-unreach-call_true-termination.i [2018-09-19 05:01:05,363 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87034d685/471e897d67d444c683a20264f3713100/FLAG6c60cb885 [2018-09-19 05:01:05,509 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 05:01:05,513 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_02_true-unreach-call_true-termination.i [2018-09-19 05:01:05,520 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87034d685/471e897d67d444c683a20264f3713100/FLAG6c60cb885 [2018-09-19 05:01:05,535 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87034d685/471e897d67d444c683a20264f3713100 [2018-09-19 05:01:05,545 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 05:01:05,548 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 05:01:05,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 05:01:05,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 05:01:05,559 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 05:01:05,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:01:05" (1/1) ... [2018-09-19 05:01:05,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aabe07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:05, skipping insertion in model container [2018-09-19 05:01:05,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:01:05" (1/1) ... [2018-09-19 05:01:05,576 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 05:01:05,829 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 05:01:05,851 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 05:01:05,861 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 05:01:05,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:05 WrapperNode [2018-09-19 05:01:05,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 05:01:05,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 05:01:05,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 05:01:05,882 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 05:01:05,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:05" (1/1) ... [2018-09-19 05:01:05,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:05" (1/1) ... [2018-09-19 05:01:05,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 05:01:05,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 05:01:05,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 05:01:05,908 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 05:01:05,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:05" (1/1) ... [2018-09-19 05:01:05,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:05" (1/1) ... [2018-09-19 05:01:05,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:05" (1/1) ... [2018-09-19 05:01:05,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:05" (1/1) ... [2018-09-19 05:01:05,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:05" (1/1) ... [2018-09-19 05:01:05,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:05" (1/1) ... [2018-09-19 05:01:05,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:05" (1/1) ... [2018-09-19 05:01:05,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 05:01:05,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 05:01:05,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 05:01:05,944 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 05:01:05,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:05" (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 [2018-09-19 05:01:06,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 05:01:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 05:01:06,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 05:01:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 05:01:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 05:01:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 05:01:06,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-19 05:01:06,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-19 05:01:06,443 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 05:01:06,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:01:06 BoogieIcfgContainer [2018-09-19 05:01:06,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 05:01:06,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 05:01:06,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 05:01:06,460 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 05:01:06,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 05:01:05" (1/3) ... [2018-09-19 05:01:06,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36aab1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 05:01:06, skipping insertion in model container [2018-09-19 05:01:06,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:05" (2/3) ... [2018-09-19 05:01:06,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36aab1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 05:01:06, skipping insertion in model container [2018-09-19 05:01:06,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:01:06" (3/3) ... [2018-09-19 05:01:06,468 INFO L112 eAbstractionObserver]: Analyzing ICFG terminator_02_true-unreach-call_true-termination.i [2018-09-19 05:01:06,490 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 05:01:06,507 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 05:01:06,600 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 05:01:06,604 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 05:01:06,604 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 05:01:06,604 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 05:01:06,605 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 05:01:06,605 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 05:01:06,605 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 05:01:06,605 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 05:01:06,605 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 05:01:06,648 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-09-19 05:01:06,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-19 05:01:06,660 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 05:01:06,662 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 05:01:06,663 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 05:01:06,671 INFO L82 PathProgramCache]: Analyzing trace with hash -60552007, now seen corresponding path program 1 times [2018-09-19 05:01:06,674 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 05:01:06,675 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 15 with the following transitions: [2018-09-19 05:01:06,680 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [12], [16], [20], [38], [43], [46], [48], [54], [55], [56], [58] [2018-09-19 05:01:06,740 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 05:01:06,740 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 05:01:06,815 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 05:01:06,817 INFO L272 AbstractInterpreter]: Visited 10 different actions 10 times. Never merged. Never widened. Never found a fixpoint. Largest state had 4 variables. [2018-09-19 05:01:06,869 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 05:01:06,919 INFO L224 lantSequenceWeakener]: Could never weaken! [2018-09-19 05:01:06,919 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 05:01:07,043 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 05:01:07,045 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 05:01:07,045 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-19 05:01:07,045 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 05:01:07,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-19 05:01:07,058 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-19 05:01:07,059 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-09-19 05:01:07,062 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 7 states. [2018-09-19 05:01:07,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 05:01:07,325 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2018-09-19 05:01:07,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-19 05:01:07,327 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-09-19 05:01:07,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 05:01:07,338 INFO L225 Difference]: With dead ends: 61 [2018-09-19 05:01:07,338 INFO L226 Difference]: Without dead ends: 29 [2018-09-19 05:01:07,342 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-09-19 05:01:07,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-09-19 05:01:07,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 17. [2018-09-19 05:01:07,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-09-19 05:01:07,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-09-19 05:01:07,381 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 14 [2018-09-19 05:01:07,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 05:01:07,381 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2018-09-19 05:01:07,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-19 05:01:07,382 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-09-19 05:01:07,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-19 05:01:07,383 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 05:01:07,383 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 05:01:07,383 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 05:01:07,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1989785303, now seen corresponding path program 1 times [2018-09-19 05:01:07,384 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 05:01:07,384 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 16 with the following transitions: [2018-09-19 05:01:07,384 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [12], [16], [20], [24], [28], [43], [46], [48], [54], [55], [56], [58] [2018-09-19 05:01:07,386 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 05:01:07,386 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 05:01:07,401 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-19 05:01:07,401 INFO L272 AbstractInterpreter]: Visited 15 different actions 15 times. Never merged. Never widened. Never found a fixpoint. Largest state had 4 variables. [2018-09-19 05:01:07,442 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-19 05:01:07,461 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-19 05:01:07,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 05:01:07 BoogieIcfgContainer [2018-09-19 05:01:07,462 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 05:01:07,463 INFO L168 Benchmark]: Toolchain (without parser) took 1917.63 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -735.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 05:01:07,465 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-09-19 05:01:07,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.82 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 05:01:07,467 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.89 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. [2018-09-19 05:01:07,468 INFO L168 Benchmark]: Boogie Preprocessor took 34.82 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. [2018-09-19 05:01:07,468 INFO L168 Benchmark]: RCFGBuilder took 500.82 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -790.0 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2018-09-19 05:01:07,470 INFO L168 Benchmark]: TraceAbstraction took 1010.47 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 7.1 GB. [2018-09-19 05:01:07,474 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 330.82 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 26.89 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 34.82 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. * RCFGBuilder took 500.82 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -790.0 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1010.47 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L15] int x=__VERIFIER_nondet_int(); [L16] int z=__VERIFIER_nondet_int(); [L17] COND FALSE !(!(x>-100)) [L18] COND FALSE !(!(x<200)) [L19] COND FALSE !(!(z>100)) [L20] COND FALSE !(!(z<200)) [L21] COND FALSE !(x<100 && z>100) [L32] CALL __VERIFIER_assert(x>=100 || z<=100) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 locations, 1 error locations. UNKNOWN Result, 0.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 28 SDtfs, 41 SDslu, 50 SDs, 0 SdLazy, 43 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 0.3076923076923077 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/terminator_02_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_05-01-07-487.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/terminator_02_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_05-01-07-487.csv Received shutdown request...