/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 --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true -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-c90d42b [2020-09-25 00:09:31,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:09:31,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:09:31,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:09:31,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:09:31,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:09:31,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:09:31,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:09:31,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:09:31,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:09:31,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:09:31,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:09:31,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:09:31,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:09:31,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:09:31,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:09:31,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:09:31,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:09:31,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:09:31,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:09:31,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:09:31,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:09:31,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:09:31,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:09:31,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-25 00:09:31,791 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 [2020-09-25 00:09:31,833 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:09:31,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:09:31,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:09:31,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:09:31,836 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:09:31,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:09:31,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:09:31,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:09:31,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:09:31,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:09:31,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:09:31,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:09:31,839 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:09:31,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:09:31,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:09:31,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:09:31,840 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:09:31,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:09:31,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:09:31,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:09:31,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:09:31,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:09:31,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:09:31,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:09:31,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:09:31,842 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:09:31,842 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 00:09:31,842 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.rcfgbuilder: Size of a code block -> SingleStatement 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 -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; [2020-09-25 00:09:32,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:09:32,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:09:32,365 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:09:32,368 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:09:32,368 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:09:32,370 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_cat_harness.i [2020-09-25 00:09:32,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3f2eb383c/1e8d36fe5be641b180af628711a255df/FLAG28c72471a [2020-09-25 00:09:33,473 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:09:33,473 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/aws-c-common/aws_byte_buf_cat_harness.i [2020-09-25 00:09:33,533 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3f2eb383c/1e8d36fe5be641b180af628711a255df/FLAG28c72471a [2020-09-25 00:09:33,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3f2eb383c/1e8d36fe5be641b180af628711a255df [2020-09-25 00:09:33,863 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:09:33,870 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:09:33,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:09:33,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:09:33,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:09:33,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:09:33" (1/1) ... [2020-09-25 00:09:33,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c843895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:09:33, skipping insertion in model container [2020-09-25 00:09:33,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:09:33" (1/1) ... [2020-09-25 00:09:33,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:09:34,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:09:34,480 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-09-25 00:09:34,487 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-09-25 00:09:35,205 WARN L1484 CHandler]: Possible shadowing of function index [2020-09-25 00:09:35,209 WARN L1484 CHandler]: Possible shadowing of function index [2020-09-25 00:09:35,210 WARN L1484 CHandler]: Possible shadowing of function index [2020-09-25 00:09:35,211 WARN L1484 CHandler]: Possible shadowing of function index [2020-09-25 00:09:35,216 WARN L1484 CHandler]: Possible shadowing of function index [2020-09-25 00:09:35,243 WARN L1484 CHandler]: Possible shadowing of function index [2020-09-25 00:09:35,244 WARN L1484 CHandler]: Possible shadowing of function index [2020-09-25 00:09:35,246 WARN L1484 CHandler]: Possible shadowing of function index [2020-09-25 00:09:35,251 WARN L1484 CHandler]: Possible shadowing of function index [2020-09-25 00:09:35,253 WARN L1484 CHandler]: Possible shadowing of function index [2020-09-25 00:09:35,254 WARN L1484 CHandler]: Possible shadowing of function index [2020-09-25 00:09:35,255 WARN L1484 CHandler]: Possible shadowing of function index [2020-09-25 00:09:35,256 WARN L1484 CHandler]: Possible shadowing of function index [2020-09-25 00:09:35,602 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-09-25 00:09:35,603 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-09-25 00:09:35,604 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-09-25 00:09:35,606 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-09-25 00:09:35,607 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-09-25 00:09:35,608 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-09-25 00:09:35,609 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-09-25 00:09:35,609 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-09-25 00:09:35,610 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-09-25 00:09:35,611 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-09-25 00:09:35,734 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-09-25 00:09:35,844 WARN L1484 CHandler]: Possible shadowing of function index [2020-09-25 00:09:35,845 WARN L1484 CHandler]: Possible shadowing of function index [2020-09-25 00:09:35,908 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 [2020-09-25 00:09:35,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19c06e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:09:35, skipping insertion in model container [2020-09-25 00:09:35,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:09:35,910 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-09-25 00:09:35,914 INFO L168 Benchmark]: Toolchain (without parser) took 2046.62 ms. Allocated memory was 146.8 MB in the beginning and 233.3 MB in the end (delta: 86.5 MB). Free memory was 92.7 MB in the beginning and 164.2 MB in the end (delta: -71.5 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. [2020-09-25 00:09:35,915 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 00:09:35,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2038.70 ms. Allocated memory was 146.8 MB in the beginning and 233.3 MB in the end (delta: 86.5 MB). Free memory was 92.0 MB in the beginning and 164.2 MB in the end (delta: -72.2 MB). Peak memory consumption was 39.9 MB. Max. memory is 7.1 GB. [2020-09-25 00:09:35,918 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 146.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2038.70 ms. Allocated memory was 146.8 MB in the beginning and 233.3 MB in the end (delta: 86.5 MB). Free memory was 92.0 MB in the beginning and 164.2 MB in the end (delta: -72.2 MB). Peak memory consumption was 39.9 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...