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_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-acceleration/underapprox_true-unreach-call1_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 18:31:27,151 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 18:31:27,153 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 18:31:27,166 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 18:31:27,166 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 18:31:27,167 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 18:31:27,169 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 18:31:27,171 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 18:31:27,172 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 18:31:27,173 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 18:31:27,174 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 18:31:27,175 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 18:31:27,176 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 18:31:27,177 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 18:31:27,178 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 18:31:27,179 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 18:31:27,180 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 18:31:27,181 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 18:31:27,183 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 18:31:27,185 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 18:31:27,186 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 18:31:27,187 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 18:31:27,189 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-14 18:31:27,190 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-14 18:31:27,190 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-14 18:31:27,191 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-14 18:31:27,192 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-14 18:31:27,193 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-14 18:31:27,194 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-14 18:31:27,195 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-14 18:31:27,195 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-14 18:31:27,196 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-14 18:31:27,196 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 18:31:27,196 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 18:31:27,197 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 18:31:27,198 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 18:31:27,198 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 [2018-09-14 18:31:27,213 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 18:31:27,213 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 18:31:27,214 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 18:31:27,215 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 18:31:27,215 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 18:31:27,215 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 18:31:27,215 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 18:31:27,215 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 18:31:27,215 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 18:31:27,216 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 18:31:27,216 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 18:31:27,216 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 18:31:27,217 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 18:31:27,217 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 18:31:27,217 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 18:31:27,217 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 18:31:27,217 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 18:31:27,218 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 18:31:27,218 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 18:31:27,218 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 18:31:27,218 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 18:31:27,218 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 18:31:27,219 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 18:31:27,219 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 18:31:27,219 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 18:31:27,219 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 18:31:27,219 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 18:31:27,220 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-14 18:31:27,220 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 18:31:27,220 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 18:31:27,220 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 18:31:27,220 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 18:31:27,221 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 18:31:27,265 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 18:31:27,279 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 18:31:27,283 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 18:31:27,285 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 18:31:27,286 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 18:31:27,286 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/underapprox_true-unreach-call1_true-termination.i [2018-09-14 18:31:27,646 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63f85562c/abad0b1080194f41b22a8f156e5558da/FLAG48ec1ec17 [2018-09-14 18:31:27,798 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 18:31:27,798 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/underapprox_true-unreach-call1_true-termination.i [2018-09-14 18:31:27,805 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63f85562c/abad0b1080194f41b22a8f156e5558da/FLAG48ec1ec17 [2018-09-14 18:31:27,822 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63f85562c/abad0b1080194f41b22a8f156e5558da [2018-09-14 18:31:27,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 18:31:27,837 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 18:31:27,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 18:31:27,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 18:31:27,847 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 18:31:27,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:31:27" (1/1) ... [2018-09-14 18:31:27,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289161a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:31:27, skipping insertion in model container [2018-09-14 18:31:27,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:31:27" (1/1) ... [2018-09-14 18:31:27,865 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 18:31:28,099 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:31:28,118 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 18:31:28,124 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:31:28,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:31:28 WrapperNode [2018-09-14 18:31:28,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 18:31:28,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 18:31:28,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 18:31:28,141 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 18:31:28,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:31:28" (1/1) ... [2018-09-14 18:31:28,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:31:28" (1/1) ... [2018-09-14 18:31:28,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 18:31:28,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 18:31:28,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 18:31:28,165 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 18:31:28,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:31:28" (1/1) ... [2018-09-14 18:31:28,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:31:28" (1/1) ... [2018-09-14 18:31:28,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:31:28" (1/1) ... [2018-09-14 18:31:28,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:31:28" (1/1) ... [2018-09-14 18:31:28,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:31:28" (1/1) ... [2018-09-14 18:31:28,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:31:28" (1/1) ... [2018-09-14 18:31:28,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:31:28" (1/1) ... [2018-09-14 18:31:28,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 18:31:28,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 18:31:28,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 18:31:28,196 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 18:31:28,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:31:28" (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 [2018-09-14 18:31:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 18:31:28,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 18:31:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 18:31:28,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 18:31:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 18:31:28,259 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 18:31:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-14 18:31:28,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-14 18:31:28,569 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 18:31:28,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:31:28 BoogieIcfgContainer [2018-09-14 18:31:28,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 18:31:28,571 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-09-14 18:31:28,571 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-09-14 18:31:28,572 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-09-14 18:31:28,572 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:31:28" (1/1) ... [2018-09-14 18:31:28,623 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-14 18:31:28,728 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-14 18:31:29,381 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-14 18:31:29,403 INFO L272 AbstractInterpreter]: Visited 20 different actions 140 times. Merged at 5 different actions 44 times. Widened at 1 different actions 6 times. Found 9 fixpoints after 2 different actions. Largest state had 4 variables. [2018-09-14 18:31:29,406 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-09-14 18:31:29,407 INFO L168 Benchmark]: Toolchain (without parser) took 1572.15 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 755.0 MB). Free memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: -727.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2018-09-14 18:31:29,410 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-14 18:31:29,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.82 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-14 18:31:29,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.62 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-14 18:31:29,416 INFO L168 Benchmark]: Boogie Preprocessor took 30.49 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-14 18:31:29,416 INFO L168 Benchmark]: RCFGBuilder took 374.88 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 755.0 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -807.4 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-09-14 18:31:29,419 INFO L168 Benchmark]: Abstract Interpretation took 834.76 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 7.1 GB. [2018-09-14 18:31:29,428 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 301.82 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 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 23.62 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.49 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 374.88 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 755.0 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -807.4 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 834.76 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 69.2 MB). Peak memory consumption was 69.2 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_Default-OldIcfg.epf_AbstractInterpretationCInline.xml/Csv-Benchmark-0-2018-09-14_18-31-29-447.csv Received shutdown request...