/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 -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 [2020-08-19 06:11:53,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 06:11:53,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 06:11:53,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 06:11:53,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 06:11:53,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 06:11:53,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 06:11:53,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 06:11:53,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 06:11:53,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 06:11:53,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 06:11:53,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 06:11:53,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 06:11:53,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 06:11:53,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 06:11:53,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 06:11:53,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 06:11:53,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 06:11:53,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 06:11:53,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 06:11:53,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 06:11:53,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 06:11:53,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 06:11:53,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 06:11:53,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-19 06:11:53,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 06:11:53,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 06:11:53,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 06:11:53,468 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 [2020-08-19 06:11:53,501 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 06:11:53,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 06:11:53,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 06:11:53,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 06:11:53,503 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 06:11:53,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 06:11:53,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 06:11:53,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 06:11:53,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 06:11:53,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 06:11:53,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 06:11:53,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 06:11:53,504 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 06:11:53,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 06:11:53,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 06:11:53,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 06:11:53,505 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 06:11:53,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 06:11:53,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 06:11:53,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 06:11:53,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 06:11:53,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 06:11:53,507 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 06:11:53,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 06:11:53,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 06:11:53,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 06:11:53,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-19 06:11:53,508 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=SMALLESTAMONGWIDE;tolerance=0.4; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4; [2020-08-19 06:11:53,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 06:11:53,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 06:11:53,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 06:11:53,825 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 06:11:53,825 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 06:11:53,826 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_cat_harness.i [2020-08-19 06:11:53,906 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cd97ace9e/1b01d71cb15541179bfeff1760ecdcab/FLAGd2123f366 [2020-08-19 06:11:54,743 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 06:11:54,744 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/aws-c-common/aws_byte_buf_cat_harness.i [2020-08-19 06:11:54,790 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cd97ace9e/1b01d71cb15541179bfeff1760ecdcab/FLAGd2123f366 [2020-08-19 06:11:55,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cd97ace9e/1b01d71cb15541179bfeff1760ecdcab [2020-08-19 06:11:55,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 06:11:55,295 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 06:11:55,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 06:11:55,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 06:11:55,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 06:11:55,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 06:11:55" (1/1) ... [2020-08-19 06:11:55,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69168dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:11:55, skipping insertion in model container [2020-08-19 06:11:55,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 06:11:55" (1/1) ... [2020-08-19 06:11:55,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 06:11:55,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 06:11:55,848 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-08-19 06:11:55,856 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-08-19 06:11:56,742 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-19 06:11:56,743 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-19 06:11:56,744 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-19 06:11:56,748 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-19 06:11:56,749 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-19 06:11:56,781 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-19 06:11:56,782 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-19 06:11:56,789 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-19 06:11:56,792 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-19 06:11:56,798 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-19 06:11:56,799 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-19 06:11:56,800 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-19 06:11:56,800 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-19 06:11:57,217 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-08-19 06:11:57,221 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-08-19 06:11:57,223 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-08-19 06:11:57,225 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-08-19 06:11:57,227 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-08-19 06:11:57,228 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-08-19 06:11:57,229 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-08-19 06:11:57,230 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-08-19 06:11:57,233 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-08-19 06:11:57,246 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-08-19 06:11:57,507 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-08-19 06:11:57,648 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-19 06:11:57,649 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-19 06:11:57,723 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 [2020-08-19 06:11:57,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d1ec964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:11:57, skipping insertion in model container [2020-08-19 06:11:57,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 06:11:57,725 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-08-19 06:11:57,729 INFO L168 Benchmark]: Toolchain (without parser) took 2431.93 ms. Allocated memory was 138.4 MB in the beginning and 227.5 MB in the end (delta: 89.1 MB). Free memory was 92.1 MB in the beginning and 157.6 MB in the end (delta: -65.5 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. [2020-08-19 06:11:57,731 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-19 06:11:57,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2428.89 ms. Allocated memory was 138.4 MB in the beginning and 227.5 MB in the end (delta: 89.1 MB). Free memory was 91.9 MB in the beginning and 157.6 MB in the end (delta: -65.7 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. [2020-08-19 06:11:57,735 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2428.89 ms. Allocated memory was 138.4 MB in the beginning and 227.5 MB in the end (delta: 89.1 MB). Free memory was 91.9 MB in the beginning and 157.6 MB in the end (delta: -65.7 MB). Peak memory consumption was 41.4 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...