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/AbstractInterpretationCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-lit/afnp2014_true-unreach-call_true-termination.c.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 16:41:03,087 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 16:41:03,090 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 16:41:03,102 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 16:41:03,103 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 16:41:03,104 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 16:41:03,105 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 16:41:03,107 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 16:41:03,109 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 16:41:03,110 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 16:41:03,111 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 16:41:03,111 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 16:41:03,112 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 16:41:03,113 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 16:41:03,115 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 16:41:03,115 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 16:41:03,116 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 16:41:03,118 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 16:41:03,121 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 16:41:03,122 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 16:41:03,124 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 16:41:03,125 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 16:41:03,128 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 16:41:03,128 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 16:41:03,128 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 16:41:03,130 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 16:41:03,131 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 16:41:03,132 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 16:41:03,133 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 16:41:03,136 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 16:41:03,136 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 16:41:03,137 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-18 16:41:03,137 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 16:41:03,141 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 16:41:03,143 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 16:41:03,143 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 16:41:03,144 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf [2018-09-18 16:41:03,173 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 16:41:03,175 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 16:41:03,176 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 16:41:03,176 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 16:41:03,176 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 16:41:03,176 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 16:41:03,177 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-18 16:41:03,177 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 16:41:03,177 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-18 16:41:03,177 INFO L133 SettingsManager]: * Abstract domain=IntervalDomain [2018-09-18 16:41:03,178 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 16:41:03,178 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 16:41:03,178 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 16:41:03,179 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 16:41:03,179 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 16:41:03,179 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 16:41:03,180 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 16:41:03,180 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 16:41:03,180 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 16:41:03,181 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 16:41:03,181 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 16:41:03,181 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 16:41:03,182 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 16:41:03,182 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 16:41:03,182 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 16:41:03,182 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 16:41:03,182 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 16:41:03,183 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 16:41:03,183 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 16:41:03,183 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-18 16:41:03,183 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 16:41:03,183 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 16:41:03,184 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 16:41:03,184 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 16:41:03,184 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 16:41:03,254 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 16:41:03,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 16:41:03,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 16:41:03,280 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 16:41:03,281 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 16:41:03,281 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/afnp2014_true-unreach-call_true-termination.c.i [2018-09-18 16:41:03,655 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/755145541/3f051558e4914ad4b919a20cca2fef7c/FLAG13c651f8b [2018-09-18 16:41:03,810 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 16:41:03,810 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/afnp2014_true-unreach-call_true-termination.c.i [2018-09-18 16:41:03,816 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/755145541/3f051558e4914ad4b919a20cca2fef7c/FLAG13c651f8b [2018-09-18 16:41:03,832 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/755145541/3f051558e4914ad4b919a20cca2fef7c [2018-09-18 16:41:03,843 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 16:41:03,846 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 16:41:03,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 16:41:03,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 16:41:03,855 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 16:41:03,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 04:41:03" (1/1) ... [2018-09-18 16:41:03,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fdf53bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:03, skipping insertion in model container [2018-09-18 16:41:03,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 04:41:03" (1/1) ... [2018-09-18 16:41:03,871 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 16:41:04,078 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 16:41:04,097 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 16:41:04,101 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 16:41:04,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:04 WrapperNode [2018-09-18 16:41:04,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 16:41:04,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 16:41:04,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 16:41:04,117 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 16:41:04,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:04" (1/1) ... [2018-09-18 16:41:04,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:04" (1/1) ... [2018-09-18 16:41:04,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 16:41:04,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 16:41:04,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 16:41:04,143 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 16:41:04,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:04" (1/1) ... [2018-09-18 16:41:04,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:04" (1/1) ... [2018-09-18 16:41:04,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:04" (1/1) ... [2018-09-18 16:41:04,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:04" (1/1) ... [2018-09-18 16:41:04,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:04" (1/1) ... [2018-09-18 16:41:04,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:04" (1/1) ... [2018-09-18 16:41:04,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:04" (1/1) ... [2018-09-18 16:41:04,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 16:41:04,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 16:41:04,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 16:41:04,166 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 16:41:04,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:04" (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 [2018-09-18 16:41:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 16:41:04,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 16:41:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 16:41:04,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 16:41:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 16:41:04,244 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 16:41:04,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-18 16:41:04,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-18 16:41:04,710 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 16:41:04,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 04:41:04 BoogieIcfgContainer [2018-09-18 16:41:04,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 16:41:04,714 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-09-18 16:41:04,714 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-09-18 16:41:04,715 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-09-18 16:41:04,718 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 04:41:04" (1/1) ... [2018-09-18 16:41:04,802 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-18 16:41:04,982 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-18 16:41:05,008 INFO L272 AbstractInterpreter]: Visited 24 different actions 152 times. Merged at 9 different actions 57 times. Widened at 1 different actions 3 times. Found 17 fixpoints after 4 different actions. Largest state had 5 variables. [2018-09-18 16:41:05,010 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-09-18 16:41:05,011 INFO L168 Benchmark]: Toolchain (without parser) took 1167.98 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -776.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 16:41:05,014 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-09-18 16:41:05,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.12 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. [2018-09-18 16:41:05,016 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.91 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. [2018-09-18 16:41:05,016 INFO L168 Benchmark]: Boogie Preprocessor took 23.02 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. [2018-09-18 16:41:05,017 INFO L168 Benchmark]: RCFGBuilder took 547.09 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -790.7 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2018-09-18 16:41:05,018 INFO L168 Benchmark]: Abstract Interpretation took 296.57 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2018-09-18 16:41:05,023 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 269.12 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 25.91 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 23.02 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 547.09 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -790.7 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 296.57 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. 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() 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_INT-OldIcfg.epf_AbstractInterpretationCInline.xml/Csv-Benchmark-0-2018-09-18_16-41-05-036.csv Received shutdown request...