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/loop-invgen/nested6_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 07:14:38,927 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 07:14:38,930 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 07:14:38,946 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 07:14:38,946 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 07:14:38,947 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 07:14:38,949 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 07:14:38,953 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 07:14:38,955 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 07:14:38,960 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 07:14:38,961 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 07:14:38,962 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 07:14:38,966 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 07:14:38,970 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 07:14:38,971 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 07:14:38,975 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 07:14:38,976 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 07:14:38,983 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 07:14:38,993 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 07:14:38,995 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 07:14:38,997 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 07:14:38,999 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 07:14:39,002 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 07:14:39,002 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 07:14:39,002 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 07:14:39,005 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 07:14:39,006 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 07:14:39,007 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 07:14:39,008 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 07:14:39,011 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 07:14:39,011 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 07:14:39,013 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 07:14:39,013 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 07:14:39,013 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 07:14:39,015 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 07:14:39,015 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 07:14:39,017 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 [2018-08-08 07:14:39,049 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 07:14:39,050 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 07:14:39,051 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 07:14:39,052 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 07:14:39,052 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 07:14:39,052 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 07:14:39,053 INFO L133 SettingsManager]: * Congruence Domain=false [2018-08-08 07:14:39,053 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 07:14:39,053 INFO L133 SettingsManager]: * Octagon Domain=false [2018-08-08 07:14:39,053 INFO L133 SettingsManager]: * Abstract domain=IntervalDomain [2018-08-08 07:14:39,054 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 07:14:39,054 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 07:14:39,055 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 07:14:39,055 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 07:14:39,055 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 07:14:39,056 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 07:14:39,056 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 07:14:39,056 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 07:14:39,056 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 07:14:39,056 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 07:14:39,057 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 07:14:39,058 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 07:14:39,058 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 07:14:39,058 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 07:14:39,058 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 07:14:39,059 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 07:14:39,059 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 07:14:39,059 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 07:14:39,059 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 07:14:39,059 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 07:14:39,060 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 07:14:39,060 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 07:14:39,060 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 07:14:39,060 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 07:14:39,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 07:14:39,154 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 07:14:39,158 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 07:14:39,160 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 07:14:39,161 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 07:14:39,161 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nested6_true-unreach-call_true-termination.i [2018-08-08 07:14:39,546 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e7cd357e/6c6a4f8fffb64e78b1044bc0f39f6767/FLAG70cef2d4d [2018-08-08 07:14:39,697 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 07:14:39,697 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nested6_true-unreach-call_true-termination.i [2018-08-08 07:14:39,703 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e7cd357e/6c6a4f8fffb64e78b1044bc0f39f6767/FLAG70cef2d4d [2018-08-08 07:14:39,719 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e7cd357e/6c6a4f8fffb64e78b1044bc0f39f6767 [2018-08-08 07:14:39,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 07:14:39,731 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 07:14:39,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 07:14:39,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 07:14:39,739 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 07:14:39,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 07:14:39" (1/1) ... [2018-08-08 07:14:39,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a72399b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39, skipping insertion in model container [2018-08-08 07:14:39,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 07:14:39" (1/1) ... [2018-08-08 07:14:39,904 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 07:14:39,945 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 07:14:39,962 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 07:14:39,969 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 07:14:39,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39 WrapperNode [2018-08-08 07:14:39,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 07:14:39,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 07:14:39,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 07:14:39,985 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 07:14:39,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39" (1/1) ... [2018-08-08 07:14:40,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39" (1/1) ... [2018-08-08 07:14:40,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 07:14:40,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 07:14:40,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 07:14:40,010 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 07:14:40,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39" (1/1) ... [2018-08-08 07:14:40,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39" (1/1) ... [2018-08-08 07:14:40,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39" (1/1) ... [2018-08-08 07:14:40,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39" (1/1) ... [2018-08-08 07:14:40,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39" (1/1) ... [2018-08-08 07:14:40,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39" (1/1) ... [2018-08-08 07:14:40,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39" (1/1) ... [2018-08-08 07:14:40,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 07:14:40,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 07:14:40,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 07:14:40,033 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 07:14:40,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39" (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 [2018-08-08 07:14:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 07:14:40,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 07:14:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 07:14:40,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 07:14:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 07:14:40,115 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 07:14:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_nested__true_unreach_call_true_termination_i____VERIFIER_assert [2018-08-08 07:14:40,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_nested__true_unreach_call_true_termination_i____VERIFIER_assert [2018-08-08 07:14:40,619 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 07:14:40,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 07:14:40 BoogieIcfgContainer [2018-08-08 07:14:40,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 07:14:40,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 07:14:40,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 07:14:40,624 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 07:14:40,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 07:14:39" (1/3) ... [2018-08-08 07:14:40,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@676509cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 07:14:40, skipping insertion in model container [2018-08-08 07:14:40,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 07:14:39" (2/3) ... [2018-08-08 07:14:40,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@676509cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 07:14:40, skipping insertion in model container [2018-08-08 07:14:40,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 07:14:40" (3/3) ... [2018-08-08 07:14:40,628 INFO L112 eAbstractionObserver]: Analyzing ICFG nested6_true-unreach-call_true-termination.i [2018-08-08 07:14:40,638 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 07:14:40,646 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 07:14:40,699 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 07:14:40,700 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 07:14:40,700 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 07:14:40,700 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 07:14:40,701 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 07:14:40,701 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 07:14:40,701 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 07:14:40,701 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 07:14:40,701 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 07:14:40,723 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2018-08-08 07:14:40,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-08-08 07:14:40,730 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 07:14:40,731 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 07:14:40,732 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_nested__true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 07:14:40,739 INFO L82 PathProgramCache]: Analyzing trace with hash 416534784, now seen corresponding path program 1 times [2018-08-08 07:14:40,741 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 07:14:40,743 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 18 with the following transitions: [2018-08-08 07:14:40,745 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [15], [19], [24], [28], [33], [53], [67], [70], [72], [78], [79], [80], [84] [2018-08-08 07:14:40,790 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-08-08 07:14:40,790 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 07:14:40,880 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-08-08 07:14:40,881 INFO L272 AbstractInterpreter]: Visited 17 different actions 17 times. Never merged. Never widened. Never found a fixpoint. Largest state had 7 variables. [2018-08-08 07:14:40,896 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-08-08 07:14:40,917 WARN L205 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-08-08 07:14:40,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 07:14:40 BoogieIcfgContainer [2018-08-08 07:14:40,918 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 07:14:40,919 INFO L168 Benchmark]: Toolchain (without parser) took 1189.22 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 720.4 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -743.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-08-08 07:14:40,921 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-08-08 07:14:40,922 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.68 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. [2018-08-08 07:14:40,923 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.41 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. [2018-08-08 07:14:40,924 INFO L168 Benchmark]: Boogie Preprocessor took 23.56 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. [2018-08-08 07:14:40,924 INFO L168 Benchmark]: RCFGBuilder took 586.67 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 720.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -771.0 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2018-08-08 07:14:40,926 INFO L168 Benchmark]: TraceAbstraction took 297.79 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2018-08-08 07:14:40,930 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 251.68 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 24.41 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 23.56 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 586.67 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 720.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -771.0 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 297.79 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 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 i,j,k,n; [L12] k = __VERIFIER_nondet_int() [L13] n = __VERIFIER_nondet_int() [L14] COND FALSE !(!(n < 1000000)) [L15] COND TRUE k == n [L19] i=0 [L19] COND TRUE i= n ) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 32 locations, 1 error locations. UNKNOWN Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred 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, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, 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/nested6_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_07-14-40-943.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested6_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_07-14-40-943.csv Received shutdown request...