/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_cat_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 17:16:33,718 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 17:16:33,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-08-18 17:16:33,859 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 17:16:33,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 17:16:33,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 17:16:33,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 17:16:33,861 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 17:16:33,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 17:16:33,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 17:16:33,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 17:16:33,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 17:16:33,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 17:16:33,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 17:16:33,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 17:16:33,863 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 17:16:33,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 17:16:33,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 17:16:33,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 17:16:33,863 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 17:16:33,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 17:16:33,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 17:16:33,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 17:16:33,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 17:16:33,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 17:16:33,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 17:16:33,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 17:16:33,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 17:16:33,865 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 17:16:33,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-18 17:16:33,865 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; [2020-08-18 17:16:34,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 17:16:34,173 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 17:16:34,180 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 17:16:34,182 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 17:16:34,182 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 17:16:34,183 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_cat_harness.i [2020-08-18 17:16:34,244 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/899982f54/4e2508cf64bd4da59e7dcf7c87be8077/FLAG519f76994 [2020-08-18 17:16:35,050 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 17:16:35,051 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/aws-c-common/aws_byte_buf_cat_harness.i [2020-08-18 17:16:35,080 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/899982f54/4e2508cf64bd4da59e7dcf7c87be8077/FLAG519f76994 [2020-08-18 17:16:35,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/899982f54/4e2508cf64bd4da59e7dcf7c87be8077 [2020-08-18 17:16:35,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 17:16:35,113 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 17:16:35,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 17:16:35,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 17:16:35,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 17:16:35,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:16:35" (1/1) ... [2020-08-18 17:16:35,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40fef6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:16:35, skipping insertion in model container [2020-08-18 17:16:35,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:16:35" (1/1) ... [2020-08-18 17:16:35,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 17:16:35,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 17:16:35,693 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-08-18 17:16:35,703 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-08-18 17:16:36,653 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 17:16:36,654 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 17:16:36,655 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 17:16:36,655 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 17:16:36,657 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 17:16:36,683 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 17:16:36,684 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 17:16:36,688 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 17:16:36,689 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 17:16:36,698 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 17:16:36,699 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 17:16:36,701 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 17:16:36,701 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 17:16:37,134 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-08-18 17:16:37,136 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-08-18 17:16:37,137 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-08-18 17:16:37,138 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-08-18 17:16:37,140 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-08-18 17:16:37,140 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-08-18 17:16:37,141 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-08-18 17:16:37,142 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-08-18 17:16:37,143 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-08-18 17:16:37,144 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-08-18 17:16:37,314 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-08-18 17:16:37,487 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 17:16:37,489 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 17:16:37,591 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: aws_byte_buf_cat [2020-08-18 17:16:37,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f9e6f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:16:37, skipping insertion in model container [2020-08-18 17:16:37,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 17:16:37,596 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-08-18 17:16:37,600 INFO L168 Benchmark]: Toolchain (without parser) took 2484.77 ms. Allocated memory was 141.0 MB in the beginning and 236.5 MB in the end (delta: 95.4 MB). Free memory was 93.5 MB in the beginning and 168.2 MB in the end (delta: -74.7 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. [2020-08-18 17:16:37,602 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 17:16:37,604 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2481.81 ms. Allocated memory was 141.0 MB in the beginning and 236.5 MB in the end (delta: 95.4 MB). Free memory was 93.3 MB in the beginning and 168.2 MB in the end (delta: -74.9 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. [2020-08-18 17:16:37,609 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2481.81 ms. Allocated memory was 141.0 MB in the beginning and 236.5 MB in the end (delta: 95.4 MB). Free memory was 93.3 MB in the beginning and 168.2 MB in the end (delta: -74.9 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9146]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: aws_byte_buf_cat RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...