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_CON-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 18:33:36,328 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 18:33:36,330 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 18:33:36,342 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 18:33:36,343 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 18:33:36,344 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 18:33:36,345 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 18:33:36,348 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 18:33:36,351 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 18:33:36,353 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 18:33:36,354 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 18:33:36,360 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 18:33:36,361 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 18:33:36,362 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 18:33:36,363 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 18:33:36,364 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 18:33:36,365 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 18:33:36,367 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 18:33:36,369 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 18:33:36,371 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 18:33:36,372 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 18:33:36,373 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 18:33:36,375 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 18:33:36,375 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 18:33:36,376 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 18:33:36,377 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 18:33:36,378 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 18:33:36,380 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 18:33:36,384 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 18:33:36,385 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 18:33:36,385 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 18:33:36,386 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-18 18:33:36,386 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 18:33:36,386 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 18:33:36,389 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 18:33:36,390 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 18:33:36,390 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf [2018-09-18 18:33:36,413 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 18:33:36,413 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 18:33:36,414 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 18:33:36,414 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 18:33:36,414 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 18:33:36,415 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 18:33:36,415 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 18:33:36,415 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-18 18:33:36,415 INFO L133 SettingsManager]: * Abstract domain=CongruenceDomain [2018-09-18 18:33:36,415 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 18:33:36,415 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 18:33:36,416 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 18:33:36,416 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 18:33:36,417 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 18:33:36,417 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 18:33:36,417 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 18:33:36,417 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 18:33:36,417 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 18:33:36,418 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 18:33:36,418 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 18:33:36,418 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 18:33:36,418 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 18:33:36,419 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 18:33:36,419 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 18:33:36,419 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 18:33:36,419 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 18:33:36,419 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 18:33:36,420 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 18:33:36,420 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 18:33:36,420 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-18 18:33:36,420 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 18:33:36,420 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 18:33:36,421 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 18:33:36,421 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 18:33:36,421 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 18:33:36,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 18:33:36,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 18:33:36,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 18:33:36,516 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 18:33:36,517 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 18:33:36,518 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c [2018-09-18 18:33:36,869 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a19daad7a/12df737db16e47cf9f3988325658803b/FLAGcc4c75976 [2018-09-18 18:33:37,008 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 18:33:37,008 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c [2018-09-18 18:33:37,015 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a19daad7a/12df737db16e47cf9f3988325658803b/FLAGcc4c75976 [2018-09-18 18:33:37,030 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a19daad7a/12df737db16e47cf9f3988325658803b [2018-09-18 18:33:37,041 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 18:33:37,044 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 18:33:37,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 18:33:37,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 18:33:37,057 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 18:33:37,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 06:33:37" (1/1) ... [2018-09-18 18:33:37,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@317fc8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 06:33:37, skipping insertion in model container [2018-09-18 18:33:37,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 06:33:37" (1/1) ... [2018-09-18 18:33:37,073 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 18:33:37,279 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 18:33:37,298 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 18:33:37,309 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 18:33:37,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 06:33:37 WrapperNode [2018-09-18 18:33:37,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 18:33:37,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 18:33:37,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 18:33:37,324 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 18:33:37,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 06:33:37" (1/1) ... [2018-09-18 18:33:37,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 06:33:37" (1/1) ... [2018-09-18 18:33:37,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 18:33:37,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 18:33:37,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 18:33:37,346 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 18:33:37,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 06:33:37" (1/1) ... [2018-09-18 18:33:37,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 06:33:37" (1/1) ... [2018-09-18 18:33:37,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 06:33:37" (1/1) ... [2018-09-18 18:33:37,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 06:33:37" (1/1) ... [2018-09-18 18:33:37,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 06:33:37" (1/1) ... [2018-09-18 18:33:37,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 06:33:37" (1/1) ... [2018-09-18 18:33:37,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 06:33:37" (1/1) ... [2018-09-18 18:33:37,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 18:33:37,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 18:33:37,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 18:33:37,366 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 18:33:37,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 06:33:37" (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 18:33:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 18:33:37,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 18:33:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 18:33:37,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 18:33:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 18:33:37,441 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 18:33:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-18 18:33:37,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-18 18:33:37,804 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 18:33:37,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 06:33:37 BoogieIcfgContainer [2018-09-18 18:33:37,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 18:33:37,806 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-09-18 18:33:37,806 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-09-18 18:33:37,806 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-09-18 18:33:37,807 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 06:33:37" (1/1) ... [2018-09-18 18:33:37,830 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-18 18:33:37,993 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-18 18:33:38,011 INFO L272 AbstractInterpreter]: Visited 30 different actions 49 times. Merged at 11 different actions 13 times. Never widened. Found 9 fixpoints after 5 different actions. Largest state had 5 variables. [2018-09-18 18:33:38,013 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-09-18 18:33:38,014 INFO L168 Benchmark]: Toolchain (without parser) took 973.19 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 743.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -767.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 18:33:38,017 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 18:33:38,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.84 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 18:33:38,019 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.07 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 18:33:38,019 INFO L168 Benchmark]: Boogie Preprocessor took 19.78 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 18:33:38,020 INFO L168 Benchmark]: RCFGBuilder took 438.96 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 743.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -795.4 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2018-09-18 18:33:38,021 INFO L168 Benchmark]: Abstract Interpretation took 207.79 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: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2018-09-18 18:33:38,026 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 277.84 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 22.07 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 19.78 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 438.96 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 743.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -795.4 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 207.79 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: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 8]: 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: [L13] unsigned int x; [L14] unsigned int y = 1; [L16] COND TRUE __VERIFIER_nondet_int() [L17] COND TRUE x % 3 == 1 [L18] x += 2 [L18] y = 0 [L16] COND FALSE !(__VERIFIER_nondet_int()) [L30] COND TRUE y == 0 [L31] CALL __VERIFIER_assert(x % 3 == 0) [L7] COND TRUE !(cond) [L8] __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/mod3_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AbstractInterpretationCInline.xml/Csv-Benchmark-0-2018-09-18_18-33-38-039.csv Received shutdown request...