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_INTCON-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-lit/afnp2014_true-unreach-call_true-termination.c.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 21:03:56,711 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 21:03:56,713 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 21:03:56,725 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 21:03:56,725 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 21:03:56,726 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 21:03:56,727 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 21:03:56,729 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 21:03:56,731 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 21:03:56,731 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 21:03:56,732 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 21:03:56,733 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 21:03:56,734 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 21:03:56,735 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 21:03:56,736 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 21:03:56,737 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 21:03:56,737 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 21:03:56,739 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 21:03:56,741 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 21:03:56,743 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 21:03:56,744 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 21:03:56,745 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 21:03:56,750 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 21:03:56,750 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 21:03:56,750 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 21:03:56,751 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 21:03:56,752 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 21:03:56,753 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 21:03:56,754 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 21:03:56,755 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 21:03:56,755 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 21:03:56,756 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 21:03:56,756 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 21:03:56,757 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 21:03:56,758 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 21:03:56,758 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 21:03:56,759 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf [2018-09-15 21:03:56,785 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 21:03:56,786 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 21:03:56,786 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 21:03:56,787 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 21:03:56,787 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 21:03:56,787 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 21:03:56,787 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 21:03:56,788 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-15 21:03:56,788 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 21:03:56,788 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 21:03:56,788 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 21:03:56,789 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 21:03:56,789 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 21:03:56,789 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 21:03:56,789 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 21:03:56,790 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 21:03:56,790 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 21:03:56,790 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 21:03:56,790 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 21:03:56,790 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 21:03:56,791 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 21:03:56,791 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 21:03:56,791 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 21:03:56,791 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 21:03:56,792 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 21:03:56,792 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 21:03:56,792 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 21:03:56,792 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 21:03:56,792 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 21:03:56,792 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 21:03:56,793 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 21:03:56,793 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 21:03:56,793 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 21:03:56,871 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 21:03:56,885 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 21:03:56,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 21:03:56,891 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 21:03:56,891 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 21:03:56,892 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/afnp2014_true-unreach-call_true-termination.c.i [2018-09-15 21:03:57,246 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80c5a8df9/eda8898e96f34847a933a7746c8416c9/FLAGc86ad23f8 [2018-09-15 21:03:57,364 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 21:03:57,364 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/afnp2014_true-unreach-call_true-termination.c.i [2018-09-15 21:03:57,370 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80c5a8df9/eda8898e96f34847a933a7746c8416c9/FLAGc86ad23f8 [2018-09-15 21:03:57,385 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80c5a8df9/eda8898e96f34847a933a7746c8416c9 [2018-09-15 21:03:57,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 21:03:57,400 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 21:03:57,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 21:03:57,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 21:03:57,414 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 21:03:57,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 09:03:57" (1/1) ... [2018-09-15 21:03:57,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2176d288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:57, skipping insertion in model container [2018-09-15 21:03:57,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 09:03:57" (1/1) ... [2018-09-15 21:03:57,430 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 21:03:57,641 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 21:03:57,661 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 21:03:57,667 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 21:03:57,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:57 WrapperNode [2018-09-15 21:03:57,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 21:03:57,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 21:03:57,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 21:03:57,683 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 21:03:57,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:57" (1/1) ... [2018-09-15 21:03:57,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:57" (1/1) ... [2018-09-15 21:03:57,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 21:03:57,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 21:03:57,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 21:03:57,707 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 21:03:57,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:57" (1/1) ... [2018-09-15 21:03:57,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:57" (1/1) ... [2018-09-15 21:03:57,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:57" (1/1) ... [2018-09-15 21:03:57,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:57" (1/1) ... [2018-09-15 21:03:57,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:57" (1/1) ... [2018-09-15 21:03:57,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:57" (1/1) ... [2018-09-15 21:03:57,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:57" (1/1) ... [2018-09-15 21:03:57,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 21:03:57,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 21:03:57,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 21:03:57,729 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 21:03:57,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:57" (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 [2018-09-15 21:03:57,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 21:03:57,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 21:03:57,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 21:03:57,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 21:03:57,793 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 21:03:57,794 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 21:03:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-15 21:03:57,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-15 21:03:58,088 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 21:03:58,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 09:03:58 BoogieIcfgContainer [2018-09-15 21:03:58,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 21:03:58,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 21:03:58,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 21:03:58,101 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 21:03:58,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 09:03:57" (1/3) ... [2018-09-15 21:03:58,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433a2f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 09:03:58, skipping insertion in model container [2018-09-15 21:03:58,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:03:57" (2/3) ... [2018-09-15 21:03:58,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433a2f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 09:03:58, skipping insertion in model container [2018-09-15 21:03:58,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 09:03:58" (3/3) ... [2018-09-15 21:03:58,116 INFO L112 eAbstractionObserver]: Analyzing ICFG afnp2014_true-unreach-call_true-termination.c.i [2018-09-15 21:03:58,147 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 21:03:58,166 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 21:03:58,229 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 21:03:58,230 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 21:03:58,230 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 21:03:58,230 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 21:03:58,230 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 21:03:58,230 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 21:03:58,231 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 21:03:58,231 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 21:03:58,231 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 21:03:58,249 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2018-09-15 21:03:58,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-15 21:03:58,258 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 21:03:58,259 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 21:03:58,260 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 21:03:58,266 INFO L82 PathProgramCache]: Analyzing trace with hash -2008095039, now seen corresponding path program 1 times [2018-09-15 21:03:58,269 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 21:03:58,270 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 11 with the following transitions: [2018-09-15 21:03:58,272 INFO L202 CegarAbsIntRunner]: [0], [4], [23], [28], [31], [33], [39], [40], [41], [43] [2018-09-15 21:03:58,316 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 21:03:58,316 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 21:03:58,382 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 21:03:58,383 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Never found a fixpoint. Largest state had 2 variables. [2018-09-15 21:03:58,401 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 21:03:58,451 INFO L224 lantSequenceWeakener]: Could never weaken! [2018-09-15 21:03:58,451 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 21:03:58,460 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 21:03:58,462 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 21:03:58,462 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-15 21:03:58,462 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 21:03:58,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-15 21:03:58,472 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-15 21:03:58,473 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-15 21:03:58,475 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2018-09-15 21:03:58,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 21:03:58,537 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2018-09-15 21:03:58,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-15 21:03:58,539 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-09-15 21:03:58,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 21:03:58,549 INFO L225 Difference]: With dead ends: 41 [2018-09-15 21:03:58,549 INFO L226 Difference]: Without dead ends: 19 [2018-09-15 21:03:58,553 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-15 21:03:58,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-09-15 21:03:58,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 14. [2018-09-15 21:03:58,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-09-15 21:03:58,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2018-09-15 21:03:58,599 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 10 [2018-09-15 21:03:58,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 21:03:58,600 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2018-09-15 21:03:58,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-15 21:03:58,600 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-09-15 21:03:58,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-15 21:03:58,601 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 21:03:58,601 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 21:03:58,602 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 21:03:58,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1404763780, now seen corresponding path program 1 times [2018-09-15 21:03:58,603 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 21:03:58,603 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 14 with the following transitions: [2018-09-15 21:03:58,603 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [10], [13], [19], [28], [31], [33], [39], [40], [41], [43] [2018-09-15 21:03:58,605 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 21:03:58,605 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 21:03:58,637 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-15 21:03:58,638 INFO L272 AbstractInterpreter]: Visited 13 different actions 13 times. Never merged. Never widened. Never found a fixpoint. Largest state had 4 variables. [2018-09-15 21:03:58,664 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-15 21:03:58,683 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-15 21:03:58,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 09:03:58 BoogieIcfgContainer [2018-09-15 21:03:58,684 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 21:03:58,685 INFO L168 Benchmark]: Toolchain (without parser) took 1287.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -751.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 21:03:58,688 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-09-15 21:03:58,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.72 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. [2018-09-15 21:03:58,690 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.89 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. [2018-09-15 21:03:58,691 INFO L168 Benchmark]: Boogie Preprocessor took 22.45 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. [2018-09-15 21:03:58,691 INFO L168 Benchmark]: RCFGBuilder took 360.07 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -794.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-09-15 21:03:58,693 INFO L168 Benchmark]: TraceAbstraction took 587.27 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: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. [2018-09-15 21:03:58,697 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 277.72 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 22.89 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 22.45 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 360.07 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -794.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 587.27 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: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 5]: 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: [L11] int x = 1; [L12] int y = 0; [L13] y < 1000 && __VERIFIER_nondet_int() [L13] COND TRUE y < 1000 && __VERIFIER_nondet_int() [L13] y < 1000 && __VERIFIER_nondet_int() [L13] COND FALSE !(y < 1000 && __VERIFIER_nondet_int()) [L17] CALL __VERIFIER_assert(x >= y) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 21 locations, 1 error locations. UNKNOWN Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 21 SDtfs, 7 SDslu, 19 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 0.4444444444444444 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 5 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/afnp2014_true-unreach-call_true-termination.c.i_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_21-03-58-715.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/afnp2014_true-unreach-call_true-termination.c.i_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_21-03-58-715.csv Received shutdown request...