java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/loop-invgen/large_const.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:39,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:39,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:39,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:47:39,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:47:39,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:47:39,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:47:39,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:47:39,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:47:39,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:47:39,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:47:39,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:47:39,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:39,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:39,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:39,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:39,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:39,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:39,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:39,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:39,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:39,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:39,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:39,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:39,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:47:39,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:47:39,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:47:39,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:47:39,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:47:39,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:47:39,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:47:39,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:47:39,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:47:39,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:47:39,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:47:39,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:47:39,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:47:39,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:47:39,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:47:39,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:47:39,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:47:39,099 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:47:39,123 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:39,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:39,124 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:39,124 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:39,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:39,125 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:39,125 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:39,126 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:39,126 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:39,126 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:39,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:39,128 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:39,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:39,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:39,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:39,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:39,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:39,130 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:39,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:39,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:39,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:39,131 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:39,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:39,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:39,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:39,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:39,132 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:39,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:39,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:39,132 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:39,183 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:39,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:39,207 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:39,208 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:39,208 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:39,209 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/large_const.i [2019-09-20 13:47:39,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05b06bf66/b46a45f867704c54aeb412ddf98c63c2/FLAG43c369b1f [2019-09-20 13:47:39,656 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:39,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/large_const.i [2019-09-20 13:47:39,664 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05b06bf66/b46a45f867704c54aeb412ddf98c63c2/FLAG43c369b1f [2019-09-20 13:47:40,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05b06bf66/b46a45f867704c54aeb412ddf98c63c2 [2019-09-20 13:47:40,054 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:40,056 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:40,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:40,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:40,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:40,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:40" (1/1) ... [2019-09-20 13:47:40,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53f7f7ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:40, skipping insertion in model container [2019-09-20 13:47:40,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:40" (1/1) ... [2019-09-20 13:47:40,074 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:40,093 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:40,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:40,288 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:40,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:40,315 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:40,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:40 WrapperNode [2019-09-20 13:47:40,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:40,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:40,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:40,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:40,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:40" (1/1) ... [2019-09-20 13:47:40,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:40" (1/1) ... [2019-09-20 13:47:40,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:40" (1/1) ... [2019-09-20 13:47:40,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:40" (1/1) ... [2019-09-20 13:47:40,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:40" (1/1) ... [2019-09-20 13:47:40,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:40" (1/1) ... [2019-09-20 13:47:40,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:40" (1/1) ... [2019-09-20 13:47:40,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:40,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:40,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:40,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:40,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:40" (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 [2019-09-20 13:47:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:40,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:40,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:40,487 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:47:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:47:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:40,728 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:40,729 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 13:47:40,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:40 BoogieIcfgContainer [2019-09-20 13:47:40,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:40,740 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:40,740 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:40,740 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:40,744 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:40" (1/1) ... [2019-09-20 13:47:40,795 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:40,995 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:41,018 INFO L272 AbstractInterpreter]: Visited 33 different actions 119 times. Merged at 12 different actions 31 times. Widened at 1 different actions 3 times. Performed 204 root evaluator evaluations with a maximum evaluation depth of 6. Performed 204 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 15 fixpoints after 6 different actions. Largest state had 20 variables. [2019-09-20 13:47:41,018 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:41,021 INFO L168 Benchmark]: Toolchain (without parser) took 964.21 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 86.2 MB in the beginning and 148.1 MB in the end (delta: -62.0 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:41,022 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 131.6 MB. Free memory was 104.4 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:41,024 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.90 ms. Allocated memory is still 131.6 MB. Free memory was 86.0 MB in the beginning and 76.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:41,025 INFO L168 Benchmark]: Boogie Preprocessor took 113.78 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 76.3 MB in the beginning and 175.1 MB in the end (delta: -98.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:41,026 INFO L168 Benchmark]: RCFGBuilder took 294.84 ms. Allocated memory is still 198.7 MB. Free memory was 175.1 MB in the beginning and 160.7 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:41,027 INFO L168 Benchmark]: Abstract Interpretation took 278.53 ms. Allocated memory is still 198.7 MB. Free memory was 160.7 MB in the beginning and 148.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:41,033 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 131.6 MB. Free memory was 104.4 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 257.90 ms. Allocated memory is still 131.6 MB. Free memory was 86.0 MB in the beginning and 76.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.78 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 76.3 MB in the beginning and 175.1 MB in the end (delta: -98.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 294.84 ms. Allocated memory is still 198.7 MB. Free memory was 175.1 MB in the beginning and 160.7 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 278.53 ms. Allocated memory is still 198.7 MB. Free memory was 160.7 MB in the beginning and 148.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 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 c1 = 4000; [L12] int c2 = 2000; [L13] int c3 = 10000; [L14] int n, v; [L15] int i, k, j; [L16] n = __VERIFIER_nondet_int() [L17] COND FALSE !(!(0 <= n && n < 10)) [L18] k = 0 [L19] i = 0 [L20] COND TRUE i < n [L21] i++ [L22] v = __VERIFIER_nondet_int() [L23] COND FALSE !(!(0 <= v && n < 2)) [L24] COND TRUE v == 0 [L25] k += c1 [L20] COND FALSE !(i < n) [L31] j = 0 [L32] COND TRUE j < n [L33] 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 Received shutdown request...