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_INTCON-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-acceleration/underapprox_true-unreach-call1_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 06:42:57,036 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 06:42:57,038 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 06:42:57,057 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 06:42:57,057 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 06:42:57,058 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 06:42:57,060 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 06:42:57,063 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 06:42:57,065 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 06:42:57,071 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 06:42:57,074 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 06:42:57,075 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 06:42:57,076 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 06:42:57,079 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 06:42:57,080 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 06:42:57,081 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 06:42:57,083 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 06:42:57,088 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 06:42:57,092 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 06:42:57,094 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 06:42:57,095 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 06:42:57,097 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 06:42:57,103 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 06:42:57,103 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 06:42:57,103 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 06:42:57,105 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 06:42:57,106 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 06:42:57,107 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 06:42:57,108 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 06:42:57,109 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 06:42:57,109 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 06:42:57,111 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 06:42:57,111 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 06:42:57,111 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 06:42:57,112 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 06:42:57,113 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 06:42:57,113 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf [2018-09-15 06:42:57,148 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 06:42:57,148 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 06:42:57,149 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 06:42:57,150 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 06:42:57,150 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 06:42:57,150 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 06:42:57,150 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 06:42:57,150 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-15 06:42:57,151 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 06:42:57,151 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 06:42:57,151 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 06:42:57,152 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 06:42:57,152 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 06:42:57,152 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 06:42:57,153 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 06:42:57,153 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 06:42:57,153 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 06:42:57,153 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 06:42:57,153 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 06:42:57,154 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 06:42:57,154 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 06:42:57,154 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 06:42:57,154 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 06:42:57,154 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 06:42:57,155 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 06:42:57,155 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 06:42:57,155 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 06:42:57,155 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 06:42:57,156 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 06:42:57,156 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 06:42:57,156 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 06:42:57,156 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 06:42:57,156 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 06:42:57,219 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 06:42:57,231 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 06:42:57,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 06:42:57,237 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 06:42:57,237 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 06:42:57,238 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/underapprox_true-unreach-call1_true-termination.i [2018-09-15 06:42:57,590 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2410817a/5690dbe787fe4d49844098a9a89fae3c/FLAG6ddaaa9fb [2018-09-15 06:42:57,736 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 06:42:57,737 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/underapprox_true-unreach-call1_true-termination.i [2018-09-15 06:42:57,742 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2410817a/5690dbe787fe4d49844098a9a89fae3c/FLAG6ddaaa9fb [2018-09-15 06:42:57,758 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2410817a/5690dbe787fe4d49844098a9a89fae3c [2018-09-15 06:42:57,771 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 06:42:57,774 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 06:42:57,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 06:42:57,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 06:42:57,782 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 06:42:57,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 06:42:57" (1/1) ... [2018-09-15 06:42:57,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408707bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:57, skipping insertion in model container [2018-09-15 06:42:57,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 06:42:57" (1/1) ... [2018-09-15 06:42:57,799 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 06:42:58,050 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 06:42:58,069 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 06:42:58,073 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 06:42:58,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:58 WrapperNode [2018-09-15 06:42:58,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 06:42:58,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 06:42:58,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 06:42:58,088 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 06:42:58,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:58" (1/1) ... [2018-09-15 06:42:58,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:58" (1/1) ... [2018-09-15 06:42:58,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 06:42:58,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 06:42:58,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 06:42:58,110 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 06:42:58,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:58" (1/1) ... [2018-09-15 06:42:58,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:58" (1/1) ... [2018-09-15 06:42:58,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:58" (1/1) ... [2018-09-15 06:42:58,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:58" (1/1) ... [2018-09-15 06:42:58,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:58" (1/1) ... [2018-09-15 06:42:58,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:58" (1/1) ... [2018-09-15 06:42:58,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:58" (1/1) ... [2018-09-15 06:42:58,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 06:42:58,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 06:42:58,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 06:42:58,132 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 06:42:58,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:58" (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 06:42:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 06:42:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 06:42:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 06:42:58,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 06:42:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 06:42:58,206 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 06:42:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-15 06:42:58,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-15 06:42:58,453 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 06:42:58,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 06:42:58 BoogieIcfgContainer [2018-09-15 06:42:58,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 06:42:58,455 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-09-15 06:42:58,455 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-09-15 06:42:58,456 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-09-15 06:42:58,456 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 06:42:58" (1/1) ... [2018-09-15 06:42:58,489 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 06:42:58,584 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 06:42:59,474 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-15 06:42:59,498 INFO L272 AbstractInterpreter]: Visited 20 different actions 112 times. Merged at 5 different actions 34 times. Widened at 1 different actions 4 times. Found 7 fixpoints after 2 different actions. Largest state had 4 variables. [2018-09-15 06:42:59,501 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-09-15 06:42:59,504 INFO L168 Benchmark]: Toolchain (without parser) took 1730.94 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 705.2 MB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -519.3 MB). Peak memory consumption was 185.8 MB. Max. memory is 7.1 GB. [2018-09-15 06:42:59,507 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 06:42:59,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.93 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 06:42:59,511 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.31 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 06:42:59,512 INFO L168 Benchmark]: Boogie Preprocessor took 21.87 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 06:42:59,513 INFO L168 Benchmark]: RCFGBuilder took 322.37 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 705.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -758.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2018-09-15 06:42:59,514 INFO L168 Benchmark]: Abstract Interpretation took 1046.56 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 228.9 MB). Peak memory consumption was 228.9 MB. Max. memory is 7.1 GB. [2018-09-15 06:42:59,523 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 311.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 22.31 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 21.87 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 322.37 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 705.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -758.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1046.56 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 228.9 MB). Peak memory consumption was 228.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 4]: 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: [L9] unsigned int x = 0; [L10] unsigned int y = 1; [L11] COND TRUE x < 6 [L12] x++ [L12] x++ [L13] y *= 2 [L11] COND TRUE x < 6 [L12] x++ [L12] x++ [L13] y *= 2 [L11] COND FALSE !(x < 6) [L15] CALL __VERIFIER_assert(y % 3) [L3] COND TRUE !(cond) [L4] __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/underapprox_true-unreach-call1_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AbstractInterpretationCInline.xml/Csv-Benchmark-0-2018-09-15_06-42-59-540.csv Received shutdown request...