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_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/loops/trex01_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 09:22:48,929 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 09:22:48,931 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 09:22:48,943 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 09:22:48,944 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 09:22:48,945 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 09:22:48,946 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 09:22:48,948 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 09:22:48,950 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 09:22:48,951 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 09:22:48,951 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 09:22:48,952 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 09:22:48,953 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 09:22:48,954 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 09:22:48,955 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 09:22:48,956 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 09:22:48,957 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 09:22:48,959 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 09:22:48,968 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 09:22:48,969 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 09:22:48,970 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 09:22:48,975 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 09:22:48,981 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 09:22:48,981 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 09:22:48,982 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 09:22:48,983 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 09:22:48,984 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 09:22:48,985 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 09:22:48,986 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 09:22:48,989 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 09:22:48,989 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 09:22:48,992 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 09:22:48,992 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 09:22:48,992 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 09:22:48,995 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 09:22:48,997 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 09:22:48,997 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-15 09:22:49,026 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 09:22:49,026 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 09:22:49,027 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 09:22:49,027 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 09:22:49,027 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 09:22:49,027 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 09:22:49,028 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 09:22:49,028 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 09:22:49,029 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 09:22:49,029 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 09:22:49,029 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 09:22:49,030 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 09:22:49,030 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 09:22:49,030 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 09:22:49,030 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 09:22:49,031 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 09:22:49,031 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 09:22:49,031 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 09:22:49,031 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 09:22:49,031 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 09:22:49,032 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 09:22:49,032 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 09:22:49,032 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 09:22:49,032 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 09:22:49,034 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 09:22:49,035 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 09:22:49,035 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 09:22:49,035 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 09:22:49,035 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 09:22:49,035 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 09:22:49,036 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 09:22:49,036 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 09:22:49,036 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 09:22:49,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 09:22:49,122 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 09:22:49,126 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 09:22:49,127 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 09:22:49,128 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 09:22:49,129 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex01_true-unreach-call_true-termination.i [2018-09-15 09:22:49,523 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dbf62750/8d64a710112d48bd9c7e58fe3ae28ae4/FLAGc9ebf284f [2018-09-15 09:22:49,685 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 09:22:49,685 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex01_true-unreach-call_true-termination.i [2018-09-15 09:22:49,693 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dbf62750/8d64a710112d48bd9c7e58fe3ae28ae4/FLAGc9ebf284f [2018-09-15 09:22:49,722 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dbf62750/8d64a710112d48bd9c7e58fe3ae28ae4 [2018-09-15 09:22:49,736 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 09:22:49,741 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 09:22:49,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 09:22:49,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 09:22:49,750 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 09:22:49,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 09:22:49" (1/1) ... [2018-09-15 09:22:49,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e7252dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:22:49, skipping insertion in model container [2018-09-15 09:22:49,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 09:22:49" (1/1) ... [2018-09-15 09:22:49,769 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 09:22:49,979 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 09:22:49,998 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 09:22:50,007 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 09:22:50,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:22:50 WrapperNode [2018-09-15 09:22:50,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 09:22:50,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 09:22:50,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 09:22:50,024 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 09:22:50,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:22:50" (1/1) ... [2018-09-15 09:22:50,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:22:50" (1/1) ... [2018-09-15 09:22:50,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 09:22:50,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 09:22:50,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 09:22:50,049 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 09:22:50,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:22:50" (1/1) ... [2018-09-15 09:22:50,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:22:50" (1/1) ... [2018-09-15 09:22:50,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:22:50" (1/1) ... [2018-09-15 09:22:50,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:22:50" (1/1) ... [2018-09-15 09:22:50,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:22:50" (1/1) ... [2018-09-15 09:22:50,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:22:50" (1/1) ... [2018-09-15 09:22:50,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:22:50" (1/1) ... [2018-09-15 09:22:50,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 09:22:50,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 09:22:50,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 09:22:50,074 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 09:22:50,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:22:50" (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 09:22:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 09:22:50,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 09:22:50,148 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-09-15 09:22:50,148 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-09-15 09:22:50,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 09:22:50,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 09:22:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 09:22:50,149 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 09:22:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-15 09:22:50,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-15 09:22:50,634 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 09:22:50,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 09:22:50 BoogieIcfgContainer [2018-09-15 09:22:50,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 09:22:50,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 09:22:50,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 09:22:50,641 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 09:22:50,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 09:22:49" (1/3) ... [2018-09-15 09:22:50,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539f2a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 09:22:50, skipping insertion in model container [2018-09-15 09:22:50,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:22:50" (2/3) ... [2018-09-15 09:22:50,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539f2a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 09:22:50, skipping insertion in model container [2018-09-15 09:22:50,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 09:22:50" (3/3) ... [2018-09-15 09:22:50,645 INFO L112 eAbstractionObserver]: Analyzing ICFG trex01_true-unreach-call_true-termination.i [2018-09-15 09:22:50,656 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 09:22:50,665 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 09:22:50,712 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 09:22:50,713 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 09:22:50,713 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 09:22:50,713 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 09:22:50,713 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 09:22:50,713 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 09:22:50,713 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 09:22:50,714 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 09:22:50,714 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 09:22:50,732 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2018-09-15 09:22:50,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-15 09:22:50,739 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 09:22:50,740 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 09:22:50,741 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 09:22:50,748 INFO L82 PathProgramCache]: Analyzing trace with hash -623240960, now seen corresponding path program 1 times [2018-09-15 09:22:50,750 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 09:22:50,752 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 15 with the following transitions: [2018-09-15 09:22:50,757 INFO L202 CegarAbsIntRunner]: [0], [1], [6], [18], [59], [65], [70], [73], [75], [81], [83], [84], [85], [89] [2018-09-15 09:22:50,813 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 09:22:50,813 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 09:22:50,906 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 09:22:50,938 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 09:22:50,939 INFO L272 AbstractInterpreter]: Visited 10 different actions 10 times. Never merged. Never widened. Never found a fixpoint. Largest state had 9 variables. [2018-09-15 09:22:50,964 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 09:22:51,039 INFO L232 lantSequenceWeakener]: Weakened 3 states. On average, predicates are now at 83.33% of their original sizes. [2018-09-15 09:22:51,039 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 09:22:51,125 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 09:22:51,127 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 09:22:51,127 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-15 09:22:51,127 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 09:22:51,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-15 09:22:51,138 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-15 09:22:51,139 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-09-15 09:22:51,141 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2018-09-15 09:22:51,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 09:22:51,408 INFO L93 Difference]: Finished difference Result 92 states and 141 transitions. [2018-09-15 09:22:51,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-15 09:22:51,410 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-09-15 09:22:51,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 09:22:51,418 INFO L225 Difference]: With dead ends: 92 [2018-09-15 09:22:51,418 INFO L226 Difference]: Without dead ends: 28 [2018-09-15 09:22:51,422 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 09:22:51,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-09-15 09:22:51,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 17. [2018-09-15 09:22:51,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-09-15 09:22:51,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-09-15 09:22:51,460 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 14 [2018-09-15 09:22:51,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 09:22:51,461 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2018-09-15 09:22:51,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-15 09:22:51,461 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-09-15 09:22:51,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-15 09:22:51,463 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 09:22:51,464 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 09:22:51,464 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 09:22:51,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1863782436, now seen corresponding path program 1 times [2018-09-15 09:22:51,466 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 09:22:51,466 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 16 with the following transitions: [2018-09-15 09:22:51,466 INFO L202 CegarAbsIntRunner]: [0], [1], [6], [10], [14], [59], [65], [70], [73], [75], [81], [83], [84], [85], [89] [2018-09-15 09:22:51,471 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 09:22:51,471 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 09:22:51,476 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 09:22:51,497 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 09:22:51,497 INFO L272 AbstractInterpreter]: Visited 14 different actions 14 times. Never merged. Never widened. Never found a fixpoint. Largest state had 9 variables. [2018-09-15 09:22:51,512 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 09:22:51,554 INFO L232 lantSequenceWeakener]: Weakened 6 states. On average, predicates are now at 72.22% of their original sizes. [2018-09-15 09:22:51,555 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 09:22:51,821 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 09:22:51,822 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 09:22:51,822 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-15 09:22:51,822 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 09:22:51,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-15 09:22:51,823 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-15 09:22:51,824 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-09-15 09:22:51,824 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 8 states. [2018-09-15 09:22:52,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 09:22:52,148 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2018-09-15 09:22:52,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-15 09:22:52,149 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2018-09-15 09:22:52,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 09:22:52,150 INFO L225 Difference]: With dead ends: 32 [2018-09-15 09:22:52,150 INFO L226 Difference]: Without dead ends: 26 [2018-09-15 09:22:52,152 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-09-15 09:22:52,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-09-15 09:22:52,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 19. [2018-09-15 09:22:52,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-09-15 09:22:52,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2018-09-15 09:22:52,159 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 15 [2018-09-15 09:22:52,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 09:22:52,159 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2018-09-15 09:22:52,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-15 09:22:52,159 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-09-15 09:22:52,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-15 09:22:52,160 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 09:22:52,161 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 09:22:52,161 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 09:22:52,161 INFO L82 PathProgramCache]: Analyzing trace with hash -215585110, now seen corresponding path program 1 times [2018-09-15 09:22:52,161 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 09:22:52,162 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 18 with the following transitions: [2018-09-15 09:22:52,162 INFO L202 CegarAbsIntRunner]: [0], [1], [6], [10], [14], [16], [59], [65], [70], [73], [75], [81], [83], [84], [85], [89] [2018-09-15 09:22:52,164 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 09:22:52,164 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 09:22:52,167 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 09:22:52,279 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 09:22:52,279 INFO L272 AbstractInterpreter]: Visited 15 different actions 75 times. Merged at 3 different actions 30 times. Widened at 1 different actions 6 times. Found 1 fixpoints after 1 different actions. Largest state had 9 variables. [2018-09-15 09:22:52,297 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 09:22:52,333 INFO L232 lantSequenceWeakener]: Weakened 8 states. On average, predicates are now at 70.83% of their original sizes. [2018-09-15 09:22:52,333 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 09:22:52,513 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 09:22:52,514 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 09:22:52,514 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-15 09:22:52,514 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 09:22:52,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-15 09:22:52,514 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-15 09:22:52,515 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-09-15 09:22:52,515 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 8 states. [2018-09-15 09:22:52,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 09:22:52,912 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2018-09-15 09:22:52,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-15 09:22:52,913 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2018-09-15 09:22:52,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 09:22:52,914 INFO L225 Difference]: With dead ends: 26 [2018-09-15 09:22:52,914 INFO L226 Difference]: Without dead ends: 0 [2018-09-15 09:22:52,916 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-09-15 09:22:52,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-15 09:22:52,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-15 09:22:52,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-15 09:22:52,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-15 09:22:52,917 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-09-15 09:22:52,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 09:22:52,917 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-15 09:22:52,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-15 09:22:52,918 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-15 09:22:52,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-15 09:22:52,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-15 09:22:53,441 WARN L178 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 14 [2018-09-15 09:22:53,652 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 14 [2018-09-15 09:22:53,680 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-09-15 09:22:53,680 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-15 09:22:53,680 INFO L426 ceAbstractionStarter]: For program point L25(lines 25 26) no Hoare annotation was computed. [2018-09-15 09:22:53,680 INFO L426 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-09-15 09:22:53,681 INFO L426 ceAbstractionStarter]: For program point L17(lines 11 33) no Hoare annotation was computed. [2018-09-15 09:22:53,681 INFO L426 ceAbstractionStarter]: For program point L13(lines 13 15) no Hoare annotation was computed. [2018-09-15 09:22:53,681 INFO L426 ceAbstractionStarter]: For program point fEXIT(lines 11 33) no Hoare annotation was computed. [2018-09-15 09:22:53,681 INFO L429 ceAbstractionStarter]: At program point fENTRY(lines 11 33) the Hoare annotation is: true [2018-09-15 09:22:53,681 INFO L426 ceAbstractionStarter]: For program point L24(lines 24 31) no Hoare annotation was computed. [2018-09-15 09:22:53,682 INFO L429 ceAbstractionStarter]: At program point L24-2(lines 22 32) the Hoare annotation is: true [2018-09-15 09:22:53,682 INFO L426 ceAbstractionStarter]: For program point L22-1(lines 22 32) no Hoare annotation was computed. [2018-09-15 09:22:53,682 INFO L426 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-09-15 09:22:53,682 INFO L426 ceAbstractionStarter]: For program point L22-3(lines 11 33) no Hoare annotation was computed. [2018-09-15 09:22:53,682 INFO L426 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2018-09-15 09:22:53,683 INFO L422 ceAbstractionStarter]: At program point L16-3(line 16) the Hoare annotation is: (let ((.cse0 (* 2 f_~z~0))) (and (<= (* 2 f_~k~0) 2147483646) (<= .cse0 4294967288) (<= f_~z~0 (+ f_~k~0 2147483649)) (<= 2 .cse0))) [2018-09-15 09:22:53,683 INFO L422 ceAbstractionStarter]: At program point L16-4(line 16) the Hoare annotation is: (let ((.cse0 (* 2 f_~z~0))) (and (<= (* 2 f_~k~0) 2147483646) (<= .cse0 4294967288) (<= f_~z~0 (+ f_~k~0 2147483649)) (<= 2 .cse0))) [2018-09-15 09:22:53,683 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-15 09:22:53,683 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-15 09:22:53,683 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-15 09:22:53,684 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-15 09:22:53,684 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 34 42) the Hoare annotation is: true [2018-09-15 09:22:53,684 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 34 42) no Hoare annotation was computed. [2018-09-15 09:22:53,684 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 34 42) no Hoare annotation was computed. [2018-09-15 09:22:53,684 INFO L429 ceAbstractionStarter]: At program point L39(line 39) the Hoare annotation is: true [2018-09-15 09:22:53,684 INFO L426 ceAbstractionStarter]: For program point L39-1(lines 36 40) no Hoare annotation was computed. [2018-09-15 09:22:53,685 INFO L429 ceAbstractionStarter]: At program point L37(line 37) the Hoare annotation is: true [2018-09-15 09:22:53,685 INFO L426 ceAbstractionStarter]: For program point L36(lines 36 40) no Hoare annotation was computed. [2018-09-15 09:22:53,685 INFO L429 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-09-15 09:22:53,685 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-09-15 09:22:53,686 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-09-15 09:22:53,686 INFO L426 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-09-15 09:22:53,686 INFO L426 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-09-15 09:22:53,686 INFO L426 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-09-15 09:22:53,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 09:22:53 BoogieIcfgContainer [2018-09-15 09:22:53,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 09:22:53,699 INFO L168 Benchmark]: Toolchain (without parser) took 3961.40 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 708.8 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -625.8 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. [2018-09-15 09:22:53,701 INFO L168 Benchmark]: CDTParser took 0.25 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 09:22:53,702 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.64 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 09:22:53,703 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.67 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 09:22:53,704 INFO L168 Benchmark]: Boogie Preprocessor took 24.81 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 09:22:53,704 INFO L168 Benchmark]: RCFGBuilder took 561.60 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 708.8 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -751.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2018-09-15 09:22:53,706 INFO L168 Benchmark]: TraceAbstraction took 3060.88 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 115.4 MB). Peak memory consumption was 115.4 MB. Max. memory is 7.1 GB. [2018-09-15 09:22:53,711 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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. * CACSL2BoogieTranslator took 280.64 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 24.67 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 24.81 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 561.60 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 708.8 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -751.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3060.88 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 115.4 MB). Peak memory consumption was 115.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: ((2 * k <= 2147483646 && 2 * z <= 4294967288) && z <= k + 2147483649) && 2 <= 2 * z - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 33 locations, 1 error locations. SAFE Result, 2.9s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 59 SDtfs, 99 SDslu, 211 SDs, 0 SdLazy, 83 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 52 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.8979328165374678 AbsIntWeakeningRatio, 0.627906976744186 AbsIntAvgWeakeningVarsNumRemoved, 19.11627906976744 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 19 PreInvPairs, 29 NumberOfFragments, 51 HoareAnnotationTreeSize, 19 FomulaSimplifications, 434 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 11 FomulaSimplificationsInter, 319 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/trex01_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_09-22-53-727.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/trex01_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_09-22-53-727.csv Received shutdown request...