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_INT-OldIcfg.epf -i ../../../trunk/examples/svcomp/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 22:25:44,059 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 22:25:44,061 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 22:25:44,073 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 22:25:44,074 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 22:25:44,075 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 22:25:44,076 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 22:25:44,078 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 22:25:44,080 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 22:25:44,081 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 22:25:44,082 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-09-14 22:25:44,134 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf [2018-09-14 22:25:44,161 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 22:25:44,161 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 22:25:44,162 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 22:25:44,166 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 22:25:44,166 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 22:25:44,167 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 22:25:44,167 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-14 22:25:44,167 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 22:25:44,167 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-14 22:25:44,168 INFO L133 SettingsManager]: * Abstract domain=IntervalDomain [2018-09-14 22:25:44,168 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 22:25:44,168 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 22:25:44,169 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 22:25:44,170 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 22:25:44,170 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 22:25:44,170 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 22:25:44,170 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 22:25:44,172 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 22:25:44,172 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 22:25:44,172 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 22:25:44,172 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 22:25:44,173 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 22:25:44,173 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 22:25:44,173 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 22:25:44,173 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 22:25:44,173 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 22:25:44,173 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 22:25:44,174 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 22:25:44,174 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-14 22:25:44,174 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 22:25:44,174 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 22:25:44,174 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 22:25:44,174 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 22:25:44,175 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 22:25:44,248 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 22:25:44,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 22:25:44,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 22:25:44,273 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 22:25:44,274 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 22:25:44,275 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2018-09-14 22:25:44,635 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01d88ecb7/8a6ec0dd53a140b5ac8800d48a538f6f/FLAGbcc5b4801 [2018-09-14 22:25:44,821 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 22:25:44,822 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2018-09-14 22:25:44,831 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01d88ecb7/8a6ec0dd53a140b5ac8800d48a538f6f/FLAGbcc5b4801 [2018-09-14 22:25:44,846 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01d88ecb7/8a6ec0dd53a140b5ac8800d48a538f6f [2018-09-14 22:25:44,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 22:25:44,858 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 22:25:44,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 22:25:44,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 22:25:44,866 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 22:25:44,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 10:25:44" (1/1) ... [2018-09-14 22:25:44,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3529e4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 10:25:44, skipping insertion in model container [2018-09-14 22:25:44,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 10:25:44" (1/1) ... [2018-09-14 22:25:44,882 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 22:25:45,134 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 22:25:45,163 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 22:25:45,186 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 22:25:45,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 10:25:45 WrapperNode [2018-09-14 22:25:45,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 22:25:45,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 22:25:45,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 22:25:45,218 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 22:25:45,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 10:25:45" (1/1) ... [2018-09-14 22:25:45,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 10:25:45" (1/1) ... [2018-09-14 22:25:45,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 22:25:45,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 22:25:45,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 22:25:45,278 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 22:25:45,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 10:25:45" (1/1) ... [2018-09-14 22:25:45,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 10:25:45" (1/1) ... [2018-09-14 22:25:45,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 10:25:45" (1/1) ... [2018-09-14 22:25:45,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 10:25:45" (1/1) ... [2018-09-14 22:25:45,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 10:25:45" (1/1) ... [2018-09-14 22:25:45,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 10:25:45" (1/1) ... [2018-09-14 22:25:45,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 10:25:45" (1/1) ... [2018-09-14 22:25:45,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 22:25:45,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 22:25:45,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 22:25:45,398 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 22:25:45,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 10:25:45" (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 22:25:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 22:25:45,458 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 22:25:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure parse_expression_list [2018-09-14 22:25:45,459 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_expression_list [2018-09-14 22:25:45,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 22:25:45,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 22:25:45,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 22:25:45,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 22:25:45,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-14 22:25:45,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-14 22:25:46,104 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 22:25:46,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 10:25:46 BoogieIcfgContainer [2018-09-14 22:25:46,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 22:25:46,105 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-09-14 22:25:46,106 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-09-14 22:25:46,106 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-09-14 22:25:46,107 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 10:25:46" (1/1) ... [2018-09-14 22:25:46,143 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-14 22:25:47,331 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-14 22:25:47,356 INFO L272 AbstractInterpreter]: Visited 71 different actions 2095 times. Merged at 43 different actions 1173 times. Widened at 6 different actions 57 times. Found 439 fixpoints after 30 different actions. Largest state had 64 variables. [2018-09-14 22:25:47,359 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-09-14 22:25:47,360 INFO L168 Benchmark]: Toolchain (without parser) took 2503.90 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.5 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -591.5 MB). Peak memory consumption was 164.0 MB. Max. memory is 7.1 GB. [2018-09-14 22:25:47,363 INFO L168 Benchmark]: CDTParser took 0.25 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. [2018-09-14 22:25:47,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.57 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. [2018-09-14 22:25:47,364 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.88 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. [2018-09-14 22:25:47,365 INFO L168 Benchmark]: Boogie Preprocessor took 118.96 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.5 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -841.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2018-09-14 22:25:47,366 INFO L168 Benchmark]: RCFGBuilder took 707.29 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: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 7.1 GB. [2018-09-14 22:25:47,367 INFO L168 Benchmark]: Abstract Interpretation took 1253.88 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 186.0 MB). Peak memory consumption was 186.0 MB. Max. memory is 7.1 GB. [2018-09-14 22:25:47,372 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 355.57 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 59.88 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 118.96 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.5 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -841.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 707.29 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: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1253.88 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 186.0 MB). Peak memory consumption was 186.0 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: [L79] CALL char A [2 + 2 + 4 +1]; [L79] RET char A [2 + 2 + 4 +1]; [L81] int i = 0; [L81] COND TRUE i < 2 + 2 + 4 [L82] CALL A[i] = __VERIFIER_nondet_char() [L82] RET A[i] = __VERIFIER_nondet_char() [L81] i++ [L81] i++ [L81] COND TRUE i < 2 + 2 + 4 [L82] CALL A[i] = __VERIFIER_nondet_char() [L82] RET A[i] = __VERIFIER_nondet_char() [L81] i++ [L81] i++ [L81] COND TRUE i < 2 + 2 + 4 [L82] CALL A[i] = __VERIFIER_nondet_char() [L82] RET A[i] = __VERIFIER_nondet_char() [L81] i++ [L81] i++ [L81] COND TRUE i < 2 + 2 + 4 [L82] CALL A[i] = __VERIFIER_nondet_char() [L82] RET A[i] = __VERIFIER_nondet_char() [L81] i++ [L81] i++ [L81] COND TRUE i < 2 + 2 + 4 [L82] CALL A[i] = __VERIFIER_nondet_char() [L82] RET A[i] = __VERIFIER_nondet_char() [L81] i++ [L81] i++ [L81] COND FALSE !(i < 2 + 2 + 4) [L85] CALL A[2 + 2 + 4] = 0 [L85] RET A[2 + 2 + 4] = 0 [L86] CALL parse_expression_list (A) [L50] int start=0, i=-1, j=-1; [L50] int start=0, i=-1, j=-1; [L50] int start=0, i=-1, j=-1; [L51] CALL char str2[2]; [L51] RET char str2[2]; [L52] COND FALSE !(!str) [L54] i++ [L54] i++ [L55] CALL str[i] [L55] RET str[i] [L56] case 0: [L56] COND FALSE !(case 0:) [L74] CALL, EXPR str[i] [L74] RET, EXPR str[i] [L74] COND TRUE str[i] != 0 [L54] i++ [L54] i++ [L55] CALL str[i] [L55] RET str[i] [L56] case 0: [L56] COND TRUE case 0: [L57] CALL, EXPR str[start] [L57] RET, EXPR str[start] [L57] (str[start] == ' ') || (str[start] == '\t') [L57] COND FALSE !((str[start] == ' ') || (str[start] == '\t')) [L57] CALL, EXPR str[start] [L57] RET, EXPR str[start] [L57] (str[start] == ' ') || (str[start] == '\t') [L57] COND FALSE !((str[start] == ' ') || (str[start] == '\t')) [L58] CALL, EXPR str[start] [L58] RET, EXPR str[start] [L58] COND TRUE str[start] == '"' [L58] start++ [L58] start++ [L59] j = i-1 [L60] (0 < j) && ((str[j] == ' ') || (str[j] == '\t')) [L60] COND FALSE !((0 < j) && ((str[j] == ' ') || (str[j] == '\t'))) [L60] COND FALSE !((0 < j) && ((str[j] == ' ') || (str[j] == '\t'))) [L61] (0 < j) && (str[j] == '"') [L61] COND TRUE (0 < j) && (str[j] == '"') [L61] CALL, EXPR str[j] [L61] RET, EXPR str[j] [L61] (0 < j) && (str[j] == '"') [L61] COND FALSE !((0 < j) && (str[j] == '"')) [L62] COND TRUE start<=j [L63] COND FALSE !(j-start+1>=2) [L66] FCALL r_strncpy(str2, str+start, j-start+1) [L67] CALL __VERIFIER_assert(j - start + 1 < 2) [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/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AbstractInterpretationCInline.xml/Csv-Benchmark-0-2018-09-14_22-25-47-385.csv Received shutdown request...