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_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-invgen/fragtest_simple_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-10 23:53:36,071 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-10 23:53:36,073 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-10 23:53:36,086 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-10 23:53:36,087 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-10 23:53:36,088 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-10 23:53:36,089 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-10 23:53:36,091 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-10 23:53:36,092 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-10 23:53:36,093 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-10 23:53:36,094 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-10 23:53:36,094 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-10 23:53:36,095 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-10 23:53:36,096 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-10 23:53:36,097 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-10 23:53:36,098 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-10 23:53:36,099 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-10 23:53:36,101 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-10 23:53:36,103 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-10 23:53:36,105 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-10 23:53:36,106 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-10 23:53:36,107 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-10 23:53:36,110 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-10 23:53:36,129 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-09-10 23:53:36,158 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-10 23:53:36,158 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-10 23:53:36,159 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-10 23:53:36,160 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-10 23:53:36,160 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-10 23:53:36,161 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-10 23:53:36,161 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-10 23:53:36,161 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-10 23:53:36,161 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-10 23:53:36,161 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-10 23:53:36,162 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-10 23:53:36,162 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-10 23:53:36,163 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-10 23:53:36,163 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-10 23:53:36,163 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-10 23:53:36,163 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-10 23:53:36,163 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-10 23:53:36,164 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-10 23:53:36,164 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-10 23:53:36,164 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-10 23:53:36,164 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-10 23:53:36,165 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-10 23:53:36,165 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-10 23:53:36,166 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-10 23:53:36,166 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-10 23:53:36,166 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-10 23:53:36,166 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-10 23:53:36,166 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-10 23:53:36,167 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-10 23:53:36,167 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-10 23:53:36,167 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-10 23:53:36,167 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-10 23:53:36,168 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-10 23:53:36,168 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-10 23:53:36,215 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-10 23:53:36,230 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-10 23:53:36,234 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-10 23:53:36,236 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-10 23:53:36,236 INFO L276 PluginConnector]: CDTParser initialized [2018-09-10 23:53:36,237 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/fragtest_simple_true-unreach-call_true-termination.i [2018-09-10 23:53:36,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6cdb80b9/9dfaa87508c14f1f95459cdb2b25ebc3/FLAGdfd88b8b0 [2018-09-10 23:53:36,768 INFO L276 CDTParser]: Found 1 translation units. [2018-09-10 23:53:36,769 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/fragtest_simple_true-unreach-call_true-termination.i [2018-09-10 23:53:36,776 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6cdb80b9/9dfaa87508c14f1f95459cdb2b25ebc3/FLAGdfd88b8b0 [2018-09-10 23:53:36,793 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6cdb80b9/9dfaa87508c14f1f95459cdb2b25ebc3 [2018-09-10 23:53:36,806 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-10 23:53:36,811 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-10 23:53:36,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-10 23:53:36,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-10 23:53:36,822 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-10 23:53:36,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:53:36" (1/1) ... [2018-09-10 23:53:36,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74d8f95c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:53:36, skipping insertion in model container [2018-09-10 23:53:36,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:53:36" (1/1) ... [2018-09-10 23:53:37,002 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-10 23:53:37,039 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 23:53:37,057 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-10 23:53:37,067 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 23:53:37,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:53:37 WrapperNode [2018-09-10 23:53:37,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-10 23:53:37,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-10 23:53:37,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-10 23:53:37,083 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-10 23:53:37,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:53:37" (1/1) ... [2018-09-10 23:53:37,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:53:37" (1/1) ... [2018-09-10 23:53:37,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-10 23:53:37,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-10 23:53:37,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-10 23:53:37,104 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-10 23:53:37,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:53:37" (1/1) ... [2018-09-10 23:53:37,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:53:37" (1/1) ... [2018-09-10 23:53:37,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:53:37" (1/1) ... [2018-09-10 23:53:37,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:53:37" (1/1) ... [2018-09-10 23:53:37,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:53:37" (1/1) ... [2018-09-10 23:53:37,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:53:37" (1/1) ... [2018-09-10 23:53:37,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:53:37" (1/1) ... [2018-09-10 23:53:37,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-10 23:53:37,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-10 23:53:37,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-10 23:53:37,142 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-10 23:53:37,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:53:37" (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 [2018-09-10 23:53:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-10 23:53:37,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-10 23:53:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-10 23:53:37,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-10 23:53:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-10 23:53:37,216 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-10 23:53:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_fragtest_simple_true_unreach_call_true_termination_i____VERIFIER_assert [2018-09-10 23:53:37,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_fragtest_simple_true_unreach_call_true_termination_i____VERIFIER_assert [2018-09-10 23:53:37,652 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-10 23:53:37,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:53:37 BoogieIcfgContainer [2018-09-10 23:53:37,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-10 23:53:37,654 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-09-10 23:53:37,654 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-09-10 23:53:37,654 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-09-10 23:53:37,655 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:53:37" (1/1) ... [2018-09-10 23:53:37,714 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-10 23:53:38,056 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-10 23:53:38,083 INFO L272 AbstractInterpreter]: Visited 38 different actions 413 times. Merged at 20 different actions 196 times. Widened at 4 different actions 18 times. Found 39 fixpoints after 6 different actions. Largest state had 10 variables. [2018-09-10 23:53:38,085 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-09-10 23:53:38,088 INFO L168 Benchmark]: Toolchain (without parser) took 1279.33 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 718.3 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -728.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-10 23:53:38,090 INFO L168 Benchmark]: CDTParser took 0.20 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 23:53:38,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.13 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 23:53:38,092 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.23 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 23:53:38,093 INFO L168 Benchmark]: Boogie Preprocessor took 32.67 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 23:53:38,093 INFO L168 Benchmark]: RCFGBuilder took 515.83 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 718.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -769.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-09-10 23:53:38,094 INFO L168 Benchmark]: Abstract Interpretation took 431.91 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. [2018-09-10 23:53:38,099 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 270.13 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 21.23 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 32.67 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 515.83 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 718.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -769.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 431.91 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 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: [L11] int i,pvlen ; [L12] int tmp___1 ; [L13] int k = 0; [L14] int n; [L15] i = 0 [L16] pvlen = __VERIFIER_nondet_int() [L17] COND FALSE !(__VERIFIER_nondet_int() && i <= 1000000) [L20] COND TRUE i > pvlen [L21] pvlen = i [L23] i = 0 [L24] COND TRUE __VERIFIER_nondet_int() && i <= 1000000 [L25] tmp___1 = i [L26] i = i + 1 [L27] k = k + 1 [L24] COND TRUE __VERIFIER_nondet_int() && i <= 1000000 [L25] tmp___1 = i [L26] i = i + 1 [L27] k = k + 1 [L24] COND FALSE !(__VERIFIER_nondet_int() && i <= 1000000) [L29] int j = 0; [L30] n = i [L31] COND TRUE 1 [L32] CALL __VERIFIER_assert(k >= 0) [L4] COND FALSE, RET !(!(cond)) [L32] __VERIFIER_assert(k >= 0) [L33] k = k -1 [L34] i = i - 1 [L35] j = j + 1 [L36] COND FALSE !(j >= n) [L31] COND TRUE 1 [L32] CALL __VERIFIER_assert(k >= 0) [L4] COND FALSE, RET !(!(cond)) [L32] __VERIFIER_assert(k >= 0) [L33] k = k -1 [L34] i = i - 1 [L35] j = j + 1 [L36] COND FALSE !(j >= n) [L31] COND TRUE 1 [L32] CALL __VERIFIER_assert(k >= 0) [L4] COND FALSE, RET !(!(cond)) [L32] __VERIFIER_assert(k >= 0) [L33] k = k -1 [L34] i = i - 1 [L35] j = j + 1 [L36] COND FALSE !(j >= n) [L31] COND TRUE 1 [L32] CALL __VERIFIER_assert(k >= 0) [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/fragtest_simple_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AbstractInterpretationCInline.xml/Csv-Benchmark-0-2018-09-10_23-53-38-111.csv Received shutdown request...