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/loops/invert_string_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-10 22:04:00,631 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-10 22:04:00,637 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-10 22:04:00,659 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-10 22:04:00,659 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-10 22:04:00,660 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-10 22:04:00,662 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-10 22:04:00,664 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-10 22:04:00,666 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-10 22:04:00,668 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-10 22:04:00,670 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-10 22:04:00,671 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-10 22:04:00,672 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-10 22:04:00,673 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-10 22:04:00,682 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-10 22:04:00,683 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-10 22:04:00,688 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-10 22:04:00,690 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-10 22:04:00,694 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-10 22:04:00,697 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-10 22:04:00,698 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-10 22:04:00,702 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-10 22:04:00,707 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-10 22:04:00,707 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-10 22:04:00,708 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-10 22:04:00,709 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-10 22:04:00,710 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-10 22:04:00,713 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-10 22:04:00,714 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-10 22:04:00,715 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-10 22:04:00,715 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-10 22:04:00,719 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-10 22:04:00,720 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-10 22:04:00,720 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-10 22:04:00,723 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-10 22:04:00,724 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-10 22:04:00,725 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 [2018-09-10 22:04:00,752 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-10 22:04:00,753 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-10 22:04:00,754 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-10 22:04:00,754 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-10 22:04:00,754 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-10 22:04:00,754 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-10 22:04:00,757 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-10 22:04:00,757 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-10 22:04:00,758 INFO L133 SettingsManager]: * Abstract domain=CongruenceDomain [2018-09-10 22:04:00,758 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-10 22:04:00,758 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-10 22:04:00,758 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-10 22:04:00,759 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-10 22:04:00,759 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-10 22:04:00,759 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-10 22:04:00,760 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-10 22:04:00,760 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-10 22:04:00,760 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-10 22:04:00,760 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-10 22:04:00,760 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-10 22:04:00,761 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-10 22:04:00,761 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-10 22:04:00,761 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-10 22:04:00,761 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-10 22:04:00,763 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-10 22:04:00,763 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-10 22:04:00,764 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-10 22:04:00,764 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-10 22:04:00,764 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-10 22:04:00,764 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-10 22:04:00,765 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-10 22:04:00,765 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-10 22:04:00,765 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-10 22:04:00,765 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-10 22:04:00,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-10 22:04:00,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-10 22:04:00,874 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-10 22:04:00,876 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-10 22:04:00,876 INFO L276 PluginConnector]: CDTParser initialized [2018-09-10 22:04:00,877 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/invert_string_true-unreach-call_true-termination.i [2018-09-10 22:04:01,231 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ebdcda91/af81853202104d41b93c971e2dcf1f32/FLAG417e0f04a [2018-09-10 22:04:01,388 INFO L276 CDTParser]: Found 1 translation units. [2018-09-10 22:04:01,389 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/invert_string_true-unreach-call_true-termination.i [2018-09-10 22:04:01,396 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ebdcda91/af81853202104d41b93c971e2dcf1f32/FLAG417e0f04a [2018-09-10 22:04:01,419 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ebdcda91/af81853202104d41b93c971e2dcf1f32 [2018-09-10 22:04:01,435 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-10 22:04:01,439 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-10 22:04:01,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-10 22:04:01,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-10 22:04:01,448 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-10 22:04:01,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:04:01" (1/1) ... [2018-09-10 22:04:01,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11e80f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:04:01, skipping insertion in model container [2018-09-10 22:04:01,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:04:01" (1/1) ... [2018-09-10 22:04:01,622 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-10 22:04:01,667 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 22:04:01,686 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-10 22:04:01,700 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 22:04:01,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:04:01 WrapperNode [2018-09-10 22:04:01,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-10 22:04:01,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-10 22:04:01,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-10 22:04:01,719 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-10 22:04:01,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:04:01" (1/1) ... [2018-09-10 22:04:01,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:04:01" (1/1) ... [2018-09-10 22:04:01,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-10 22:04:01,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-10 22:04:01,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-10 22:04:01,745 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-10 22:04:01,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:04:01" (1/1) ... [2018-09-10 22:04:01,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:04:01" (1/1) ... [2018-09-10 22:04:01,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:04:01" (1/1) ... [2018-09-10 22:04:01,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:04:01" (1/1) ... [2018-09-10 22:04:01,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:04:01" (1/1) ... [2018-09-10 22:04:01,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:04:01" (1/1) ... [2018-09-10 22:04:01,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:04:01" (1/1) ... [2018-09-10 22:04:01,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-10 22:04:01,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-10 22:04:01,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-10 22:04:01,777 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-10 22:04:01,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:04:01" (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 [2018-09-10 22:04:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-10 22:04:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-10 22:04:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_invert_string_true_unreach_call_true_termination_i____VERIFIER_assert [2018-09-10 22:04:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_invert_string_true_unreach_call_true_termination_i____VERIFIER_assert [2018-09-10 22:04:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-10 22:04:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-10 22:04:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-10 22:04:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-10 22:04:02,274 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-10 22:04:02,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:04:02 BoogieIcfgContainer [2018-09-10 22:04:02,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-10 22:04:02,276 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-09-10 22:04:02,276 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-09-10 22:04:02,276 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-09-10 22:04:02,277 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:04:02" (1/1) ... [2018-09-10 22:04:02,309 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-10 22:04:02,456 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-10 22:04:02,479 INFO L272 AbstractInterpreter]: Visited 34 different actions 104 times. Merged at 14 different actions 33 times. Never widened. Found 7 fixpoints after 6 different actions. Largest state had 12 variables. [2018-09-10 22:04:02,481 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-09-10 22:04:02,486 INFO L168 Benchmark]: Toolchain (without parser) took 1046.29 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 729.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -747.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-10 22:04:02,488 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. [2018-09-10 22:04:02,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.69 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. [2018-09-10 22:04:02,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.14 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. [2018-09-10 22:04:02,492 INFO L168 Benchmark]: Boogie Preprocessor took 31.57 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. [2018-09-10 22:04:02,493 INFO L168 Benchmark]: RCFGBuilder took 498.86 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 729.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -787.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2018-09-10 22:04:02,495 INFO L168 Benchmark]: Abstract Interpretation took 205.70 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: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2018-09-10 22:04:02,503 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 278.69 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 25.14 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 31.57 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 498.86 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 729.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -787.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 205.70 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: 29.8 MB). Peak memory consumption was 29.8 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: [L12] unsigned int max = 5; [L13] char str1[max], str2[max]; [L14] int i, j; [L16] i=0 [L16] COND TRUE i= 0) [L29] j = max-1 [L30] i=0 [L30] COND TRUE i