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/diamond_true-unreach-call2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 06:42:52,082 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 06:42:52,085 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 06:42:52,101 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 06:42:52,101 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 06:42:52,103 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 06:42:52,106 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 06:42:52,109 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 06:42:52,113 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 06:42:52,114 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 06:42:52,116 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 06:42:52,116 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 06:42:52,117 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 06:42:52,118 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 06:42:52,124 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 06:42:52,125 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 06:42:52,129 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 06:42:52,131 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 06:42:52,133 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 06:42:52,134 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 06:42:52,135 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 06:42:52,137 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 06:42:52,139 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 06:42:52,139 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 06:42:52,139 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 06:42:52,140 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 06:42:52,141 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 06:42:52,142 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 06:42:52,143 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 06:42:52,144 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 06:42:52,144 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 06:42:52,145 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 06:42:52,145 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 06:42:52,146 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 06:42:52,146 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 06:42:52,147 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 06:42:52,147 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 06:42:52,162 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 06:42:52,162 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 06:42:52,163 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 06:42:52,163 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 06:42:52,163 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 06:42:52,164 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 06:42:52,164 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 06:42:52,164 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-15 06:42:52,164 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 06:42:52,164 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 06:42:52,165 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 06:42:52,165 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 06:42:52,165 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 06:42:52,166 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 06:42:52,166 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 06:42:52,166 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 06:42:52,166 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 06:42:52,166 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 06:42:52,167 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 06:42:52,167 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 06:42:52,167 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 06:42:52,167 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 06:42:52,167 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 06:42:52,168 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 06:42:52,168 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 06:42:52,168 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 06:42:52,168 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 06:42:52,168 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 06:42:52,169 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 06:42:52,169 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 06:42:52,169 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 06:42:52,169 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 06:42:52,169 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 06:42:52,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 06:42:52,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 06:42:52,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 06:42:52,230 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 06:42:52,230 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 06:42:52,231 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/diamond_true-unreach-call2.i [2018-09-15 06:42:52,572 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12b437a3b/52436456a942413aafcbe86440eff958/FLAG7564ba282 [2018-09-15 06:42:52,715 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 06:42:52,716 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/diamond_true-unreach-call2.i [2018-09-15 06:42:52,722 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12b437a3b/52436456a942413aafcbe86440eff958/FLAG7564ba282 [2018-09-15 06:42:52,740 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12b437a3b/52436456a942413aafcbe86440eff958 [2018-09-15 06:42:52,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 06:42:52,757 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 06:42:52,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 06:42:52,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 06:42:52,765 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 06:42:52,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 06:42:52" (1/1) ... [2018-09-15 06:42:52,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1dc611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:52, skipping insertion in model container [2018-09-15 06:42:52,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 06:42:52" (1/1) ... [2018-09-15 06:42:52,782 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 06:42:53,056 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 06:42:53,075 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 06:42:53,088 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 06:42:53,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:53 WrapperNode [2018-09-15 06:42:53,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 06:42:53,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 06:42:53,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 06:42:53,118 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 06:42:53,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:53" (1/1) ... [2018-09-15 06:42:53,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:53" (1/1) ... [2018-09-15 06:42:53,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 06:42:53,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 06:42:53,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 06:42:53,146 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 06:42:53,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:53" (1/1) ... [2018-09-15 06:42:53,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:53" (1/1) ... [2018-09-15 06:42:53,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:53" (1/1) ... [2018-09-15 06:42:53,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:53" (1/1) ... [2018-09-15 06:42:53,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:53" (1/1) ... [2018-09-15 06:42:53,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:53" (1/1) ... [2018-09-15 06:42:53,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:53" (1/1) ... [2018-09-15 06:42:53,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 06:42:53,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 06:42:53,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 06:42:53,186 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 06:42:53,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 06:42:53" (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 06:42:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 06:42:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 06:42:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 06:42:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 06:42:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 06:42:53,326 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 06:42:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-15 06:42:53,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-15 06:42:53,804 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 06:42:53,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 06:42:53 BoogieIcfgContainer [2018-09-15 06:42:53,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 06:42:53,807 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-09-15 06:42:53,807 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-09-15 06:42:53,807 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-09-15 06:42:53,808 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 06:42:53" (1/1) ... [2018-09-15 06:42:53,865 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 06:42:53,958 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 06:43:02,502 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-15 06:43:02,522 INFO L272 AbstractInterpreter]: Visited 40 different actions 880 times. Merged at 22 different actions 384 times. Widened at 2 different actions 4 times. Found 318 fixpoints after 21 different actions. Largest state had 5 variables. [2018-09-15 06:43:02,524 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-09-15 06:43:02,526 INFO L168 Benchmark]: Toolchain (without parser) took 9771.56 ms. Allocated memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: 1.4 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-15 06:43:02,528 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. [2018-09-15 06:43:02,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.86 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 06:43:02,530 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.12 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 06:43:02,531 INFO L168 Benchmark]: Boogie Preprocessor took 39.89 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 06:43:02,531 INFO L168 Benchmark]: RCFGBuilder took 619.06 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -774.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2018-09-15 06:43:02,532 INFO L168 Benchmark]: Abstract Interpretation took 8717.86 ms. Allocated memory was 2.3 GB in the beginning and 2.9 GB in the end (delta: 652.7 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -238.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-15 06:43:02,540 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 358.86 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 28.12 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 39.89 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 619.06 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -774.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 8717.86 ms. Allocated memory was 2.3 GB in the beginning and 2.9 GB in the end (delta: 652.7 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -238.5 MB). Peak memory consumption was 1.1 GB. 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: [L10] unsigned int x = 0; [L11] unsigned int y = __VERIFIER_nondet_uint(); [L12] COND TRUE x < 99 [L13] COND TRUE y % 2 == 0 [L13] x += 2 [L15] COND TRUE y % 2 == 0 [L15] x += 2 [L17] COND TRUE y % 2 == 0 [L17] x += 2 [L19] COND TRUE y % 2 == 0 [L19] x += 2 [L21] COND TRUE y % 2 == 0 [L21] x += 2 [L23] COND FALSE !(y % 2 == 0) [L24] x -= 4 [L25] COND TRUE y % 2 == 0 [L25] x += 2 [L27] COND TRUE y % 2 == 0 [L27] x += 2 [L29] COND TRUE y % 2 == 0 [L29] x += 2 [L31] COND FALSE !(y % 2 == 0) [L32] x -= 4 [L12] COND FALSE !(x < 99) [L34] CALL __VERIFIER_assert((x % 2) == (y % 2)) [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/diamond_true-unreach-call2.i_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AbstractInterpretationCInline.xml/Csv-Benchmark-0-2018-09-15_06-43-02-566.csv Received shutdown request...