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/loops/string_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 01:16:01,511 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 01:16:01,514 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 01:16:01,526 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 01:16:01,526 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 01:16:01,528 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 01:16:01,529 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 01:16:01,532 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 01:16:01,534 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 01:16:01,542 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 01:16:01,544 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 01:16:01,544 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 01:16:01,545 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 01:16:01,548 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 01:16:01,552 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 01:16:01,553 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 01:16:01,555 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 01:16:01,559 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 01:16:01,561 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 01:16:01,566 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 01:16:01,567 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 01:16:01,568 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 01:16:01,573 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-08-08 01:16:01,589 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 [2018-08-08 01:16:01,618 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 01:16:01,618 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 01:16:01,620 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 01:16:01,620 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 01:16:01,620 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 01:16:01,621 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 01:16:01,622 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 01:16:01,622 INFO L133 SettingsManager]: * Octagon Domain=false [2018-08-08 01:16:01,622 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-08-08 01:16:01,622 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 01:16:01,623 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 01:16:01,624 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 01:16:01,624 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 01:16:01,624 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 01:16:01,625 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 01:16:01,625 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 01:16:01,625 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 01:16:01,625 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 01:16:01,625 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 01:16:01,626 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 01:16:01,626 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 01:16:01,626 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 01:16:01,628 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 01:16:01,628 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 01:16:01,629 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 01:16:01,629 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 01:16:01,629 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 01:16:01,629 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 01:16:01,629 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 01:16:01,630 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 01:16:01,630 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 01:16:01,630 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 01:16:01,630 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 01:16:01,709 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 01:16:01,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 01:16:01,734 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 01:16:01,736 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 01:16:01,736 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 01:16:01,737 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/string_true-unreach-call_true-termination.i [2018-08-08 01:16:02,074 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf2eca8ad/96433dda591d451db871d900b47677b9/FLAG789e07897 [2018-08-08 01:16:02,239 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 01:16:02,239 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/string_true-unreach-call_true-termination.i [2018-08-08 01:16:02,247 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf2eca8ad/96433dda591d451db871d900b47677b9/FLAG789e07897 [2018-08-08 01:16:02,264 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf2eca8ad/96433dda591d451db871d900b47677b9 [2018-08-08 01:16:02,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 01:16:02,276 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 01:16:02,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 01:16:02,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 01:16:02,284 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 01:16:02,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:16:02" (1/1) ... [2018-08-08 01:16:02,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3adaad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:16:02, skipping insertion in model container [2018-08-08 01:16:02,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:16:02" (1/1) ... [2018-08-08 01:16:02,458 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 01:16:02,518 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 01:16:02,536 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 01:16:02,554 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 01:16:02,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:16:02 WrapperNode [2018-08-08 01:16:02,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 01:16:02,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 01:16:02,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 01:16:02,575 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 01:16:02,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:16:02" (1/1) ... [2018-08-08 01:16:02,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:16:02" (1/1) ... [2018-08-08 01:16:02,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 01:16:02,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 01:16:02,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 01:16:02,601 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 01:16:02,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:16:02" (1/1) ... [2018-08-08 01:16:02,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:16:02" (1/1) ... [2018-08-08 01:16:02,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:16:02" (1/1) ... [2018-08-08 01:16:02,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:16:02" (1/1) ... [2018-08-08 01:16:02,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:16:02" (1/1) ... [2018-08-08 01:16:02,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:16:02" (1/1) ... [2018-08-08 01:16:02,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:16:02" (1/1) ... [2018-08-08 01:16:02,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 01:16:02,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 01:16:02,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 01:16:02,630 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 01:16:02,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:16:02" (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 [2018-08-08 01:16:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_string_true_unreach_call_true_termination_i____VERIFIER_assert [2018-08-08 01:16:02,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_string_true_unreach_call_true_termination_i____VERIFIER_assert [2018-08-08 01:16:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 01:16:02,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 01:16:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 01:16:02,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 01:16:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 01:16:02,697 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 01:16:03,248 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 01:16:03,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:16:03 BoogieIcfgContainer [2018-08-08 01:16:03,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 01:16:03,250 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-08-08 01:16:03,251 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-08-08 01:16:03,251 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-08-08 01:16:03,252 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:16:03" (1/1) ... [2018-08-08 01:16:03,283 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 01:16:04,352 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-08-08 01:16:04,377 INFO L272 AbstractInterpreter]: Visited 49 different actions 475 times. Merged at 23 different actions 195 times. Widened at 8 different actions 22 times. Found 62 fixpoints after 13 different actions. Largest state had 16 variables. [2018-08-08 01:16:04,380 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-08-08 01:16:04,381 INFO L168 Benchmark]: Toolchain (without parser) took 2105.87 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 693.6 MB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -512.0 MB). Peak memory consumption was 181.6 MB. Max. memory is 7.1 GB. [2018-08-08 01:16:04,383 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-08-08 01:16:04,384 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.89 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. [2018-08-08 01:16:04,385 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.30 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. [2018-08-08 01:16:04,386 INFO L168 Benchmark]: Boogie Preprocessor took 29.03 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. [2018-08-08 01:16:04,387 INFO L168 Benchmark]: RCFGBuilder took 619.58 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 693.6 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -748.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2018-08-08 01:16:04,388 INFO L168 Benchmark]: Abstract Interpretation took 1129.51 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 226.0 MB). Peak memory consumption was 226.0 MB. Max. memory is 7.1 GB. [2018-08-08 01:16:04,393 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 296.89 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 26.30 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 29.03 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 619.58 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 693.6 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -748.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1129.51 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 226.0 MB). Peak memory consumption was 226.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 6]: 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: [L16] char string_A[5], string_B[5]; [L17] int i, j, nc_A, nc_B, found=0; [L17] int i, j, nc_A, nc_B, found=0; [L19] i=0 [L19] COND TRUE i<5 [L20] string_A[i]=__VERIFIER_nondet_char() [L19] i++ [L19] i++ [L19] COND TRUE i<5 [L20] string_A[i]=__VERIFIER_nondet_char() [L19] i++ [L19] i++ [L19] COND TRUE i<5 [L20] string_A[i]=__VERIFIER_nondet_char() [L19] i++ [L19] i++ [L19] COND TRUE i<5 [L20] string_A[i]=__VERIFIER_nondet_char() [L19] i++ [L19] i++ [L19] COND TRUE i<5 [L20] string_A[i]=__VERIFIER_nondet_char() [L19] i++ [L19] i++ [L19] COND FALSE !(i<5) [L21] COND FALSE !(!(string_A[5 -1]=='\0')) [L23] i=0 [L23] COND TRUE i<5 [L24] string_B[i]=__VERIFIER_nondet_char() [L23] i++ [L23] i++ [L23] COND TRUE i<5 [L24] string_B[i]=__VERIFIER_nondet_char() [L23] i++ [L23] i++ [L23] COND TRUE i<5 [L24] string_B[i]=__VERIFIER_nondet_char() [L23] i++ [L23] i++ [L23] COND TRUE i<5 [L24] string_B[i]=__VERIFIER_nondet_char() [L23] i++ [L23] i++ [L23] COND TRUE i<5 [L24] string_B[i]=__VERIFIER_nondet_char() [L23] i++ [L23] i++ [L23] COND FALSE !(i<5) [L25] COND FALSE !(!(string_B[5 -1]=='\0')) [L27] nc_A = 0 [L28] COND FALSE !(string_A[nc_A]!='\0') [L31] nc_B = 0 [L32] COND FALSE !(string_B[nc_B]!='\0') [L35] COND FALSE !(!(nc_B >= nc_A)) [L38] EXPR j=0 [L38] i=j=0 [L39] COND FALSE !((inc_B-1) [L55] CALL __VERIFIER_assert(found == 0 || found == 1) [L5] COND TRUE !(cond) [L6] __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/string_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AbstractInterpretationCInline.xml/Csv-Benchmark-0-2018-08-08_01-16-04-406.csv Received shutdown request...